Astrotheme
A New Approach to Astrology

The Dominant Mercury: The Mercurians

Planetary Dominants: Introduction

The interpretation of a birth chart becomes more profound when it integrates several levels of complementary interpretations. Among these, planetary dominants hold a special place, offering an overall view of the personality, like a background layer or a general tone of the chart. They do not aim to describe the individual in all their details, a role reserved for the planets in signs, in houses, in dignities, or in aspects, but instead reveal a strong trend, a flavor, a general typology. This dominant can sometimes be nuanced or even contradicted by specific chart configurations, yet it retains its indicative value. However, there is no official or universally recognized method to calculate planetary dominants, and there are many approaches.

At Astrotheme, we have studied hundreds of natal charts of public figures and people close to us through our astrological practice, to design and then adjust over a period of several months the parameters of our dominant calculation method, to achieve a result that we find highly satisfactory in the vast majority of cases. It is based on criteria of activity, quality, mastery, and angularity, weighted by the nature of the planets involved and the accuracy of the aspects.

This is the method used in the Portrait in the Online Store to calculate the eleven dominants included in the report.

This new series of articles is illustrated by charts of well-known personalities, starting with the ten planetary typologies, from the Sun to Pluto. It will be followed by other series dedicated to the dominants of elements, signs, and houses.

The Dominant Mercury: The Mercurians

This article explores the dominant Mercury, illustrated by the birth charts of Donald Glover, Jules Verne, Edward Snowden, and Françoise Sagan. Each of these natal configurations highlights, in its own way, the central and structuring role played by Mercury in personality, intellectual orientation, and sometimes destiny. These charts make it possible to observe both harmonious and dissonant expressions of this dominance, without reducing it to a single model.

The dominant Mercury emphasizes intellectual abilities in the broadest sense. It concerns the way one reasons, understands, organizes information, and learns. The Mercurian individual favors analysis, comparison, and the linking of facts and ideas. Thought is mobile and quick, often curious, sometimes unstable, but rarely passive. The intellect acts as a constant filter between the individual and the world.

Mercury is also the planet of communication and exchange. Speech, writing, and language in all their forms play a decisive role. The need to transmit, explain, persuade, or simply engage in dialogue is often pronounced. This dominance favors mental quickness, wit, a sense of timing, and a taste for debate and intellectual controversy.

In terms of temperament, Mercury imparts a nervous tone. Energy circulates quickly, sometimes too quickly, which can lead to mental restlessness, dispersion, or difficulty slowing down. In character typology, this dominance most often corresponds to nervous profiles, whether emotionally expressive or not, active or more cerebral, but almost always primary in their mode of functioning. Reactions are immediate and spontaneous, rarely delayed.

When Mercury is harmonious, it supports flexible intelligence, well-directed curiosity, learning ability, and adaptability. The individual knows how to connect ideas, grasp nuances, and communicate with clarity. The mind remains open and responsive, capable of growth and renewal. Intellectual relationships and friendships based on the exchange of ideas and the pleasure of conversation then take on particular importance.

Conversely, a dissonant Mercury dominance can intensify certain excesses. Reason may override feelings, sometimes to the point of emotional detachment. Nervousness can become anxious, and thinking overly critical or suspicious. The relationship to truth may grow complex, with tendencies toward manipulation, deceit, or the strategic use of information. The intellect then becomes disconnected from emotion, at the risk of inner isolation.

Finally, Mercury also symbolizes the immediate environment, siblings, neighborhood relations, networks, commercial exchanges, and systems of circulation. In a strongly marked dominance, these themes often play a significant role, whether through cooperation, rivalry, or notable breaks. The examples that follow illustrate how this planet, depending on its position, aspects, and tensions, shapes very different trajectories while remaining the central guiding thread of personality.

Note: This article focuses on the topic of planetary dominants and does not provide a psychological analysis of the celebrity in question, for which other articles are available in the focus section.

Donald Glover: A Multifaceted Mercury at the Heart of Creation

Donald Glover / Author: Jesse Chang 03-2010 / Creative Commons Attribution ShareAlike 2.0 (https://creativecommons.org/licenses/by-sa/2.0/deed.en)

Donald Glover has established himself as one of the most influential figures in contemporary culture. An actor, screenwriter, musician, director, and producer, he embodies a rare form of intellectual versatility, built on the constant circulation of ideas, languages, and media. This multiplicity is not a mere accumulation of talents, but the direct expression of a structuring dominant Mercury.

Mercury is particularly strong here through its position in Virgo, its sign of rulership, which sharpens analytical abilities, discernment, and mental precision. Conjunct the Ascendant, it places the intellect at the forefront of personality, even though the planet is located in the twelfth house. This configuration produces a Mercury that is less demonstrative than foundational, operating in depth and decisively shaping the perception of the world.

The twelfth house gives Mercury a diffuse and indirect quality. Thought does not always express itself directly, but through detours, symbols, shifts, and staging. This placement closely matches the way Donald Glover approaches communication, multiplying levels of meaning, irony, and social satire.

Rulerships further reinforce this centrality. Mercury rules both the Ascendant in Virgo and the Midheaven in Gemini, directly linking personal identity and public trajectory to the Mercurian function. Even when expression takes artistic forms, it remains fundamentally cerebral.

Histogram of dominant planets for Donald Glover

Histogram of Donald Glover's dominant planets

Finally, the chart's strong Neptunian influence, with Venus and Mars in the twelfth house in trine to Neptune, adds an imaginal and symbolic dimension to expression. Mercury, strengthened by its sign and its rulerships, remains the analytical pivot of the entire chart.

Donald Glover
Display the Detailed Birth Chart
Author: NASA/Bill Ingalls
Credits: https://www.flickr.com/photos/nasahqphoto/20716556524/
Licence: Public domain
Date of birth
Sunday, September 25, 1983
City of birth
Edwards Air Force Base (CA) (United States)
Virgo
Sagittarius
Leo
Mercury
Neptune
Venus
DominantDom. Planets
12
3
1
Earth
Fire
DominantDom. Elements
Chinese astrological sign
Water Pig
1
Birth Path
Height
5' 9½" (1m76) tall
Biography of Donald Glover (excerpt)
Donald McKinley Glover (born September 25, 1983 (birth time source: Viktor E., birth certificate)), is an American actor, singer, rapper, comedian, writer, producer, and director. He performs music under the stage name Childish Gambino and occasionally as a DJ under the name mcDJ. After working on Derrick Comedy while studying at New York University, Glover was hired at age 23 by Tina Fey as a...

You may also read the astrological portrait of Donald Glover.

Below is Donald Glover's birth chart:

Astrology: horoscope and birth chart of Donald Glover (Placidus) Image taken from the horoscope, birth chart and astrological portrait of Donald Glover, born September 25, 1983, 5:56 AM, Edwards Air Force Base (CA) (United States) 1 2 3 4 5 6 7 8 9 10 11 12 21' 18° 58' 20° 44' 24° 58' 27° 13' 16° 25' 21° 34' 53' 28° 22' 04' 49' 49' 26° 33' 14° 06' 51'

Jules Verne: A Scholarly Mercury and a Calling for Transmission

Jules Verne / Author: unknown, 1863 / Public domain

Jules Verne remains one of the most universal figures in literature. A novelist, scientific popularizer, and visionary, he built a body of work grounded in intellectual curiosity and the pleasure of understanding and sharing knowledge, as illustrated by Twenty Thousand Leagues Under the Sea and Around the World in Eighty Days. Thought, reasoning, and pedagogy occupy a central place throughout his work.

In his chart, Mercury is associated with the Sun and placed in the tenth house, close to the Midheaven. Here, the mind is not a simple instrument but the very framework of his life path. Thinking, writing, explaining, and organizing knowledge form the essential foundations of recognition and public visibility. The Sun–Mercury conjunction shapes an identity marked by rationality and curiosity.

Mercury in Aquarius further reinforces this orientation. Thought is projected toward innovation, anticipation, and science. Intelligence operates through concepts and systems, with a remarkable ability to connect diverse fields while maintaining a solid mental structure.

The Saturnian framework of the chart is particularly stable, with tight trines from the Moon and Jupiter to Saturn, fostering rigor, method, and long-term construction. At the same time, several links to Neptune support imagination and narrative capacity.

Histogram of dominant planets for Jules Verne

Histogram of Jules Verne's dominant planets

In Jules Verne's chart, the dominant Mercury is expressed in its most classical and accomplished form. It supports learning, transmission, and the ordering of reality, making the mind a creative driving force and a lasting calling.

Jules Verne
Display the Detailed Birth Chart
Author: Étienne Carjat
Credits: This file comes from Gallica Digital Library and is available under the digital ID btv1b84497879/f1
Licence: Public domain
Date of birth
Friday, February 8, 1828
City of birth
Nantes (44) (France)
Aquarius
Scorpio
Gemini
Mercury
Sun
Uranus
DominantDom. Planets
10
6
11
Air
Water
DominantDom. Elements
11
Birth Path
Height
5' 5" (1m65) tall
Biography of Jules Verne (excerpt)
Jules Verne, born on February 8, 1828, in Nantes and died on March 24, 1905, in Amiens, was a major French writer best known for his adventure novels inspired by the scientific progress of the nineteenth century. His work combines careful documentation with imagination and a strong sense of exploration. After early attempts at playwriting, he achieved success in 1863 with Five Weeks in a...

You may also read the astrological portrait of Jules Verne.

Below is Jules Verne's birth chart:

Astrology: horoscope and birth chart of Jules Verne (Placidus) Image taken from the horoscope, birth chart and astrological portrait of Jules Verne, born February 8, 1828, 12:00 PM, Nantes (44) (France) 1 2 3 4 5 6 7 8 9 10 11 12 17° 04' 29° 26' 15° 04' 18° 46' 22° 44' 11° 26' 18° 21' 51' 15° 37' 14° 27' 15° 37' 28° 37' 13° 45' 14° 35' 33'

Edward Snowden: A Radical Mercury Confronting the Power of Information

Edward Snowden / Author: TheWikiLeaksChannel 10-2013 / Creative Commons Attribution 3.0 Unported License (https://creativecommons.org/licenses/by/3.0/deed.en)

Edward Snowden became a global figure by revealing the scope of digital surveillance systems. A computer specialist in network security, he embodies a relationship to the world shaped by information, data, and their circulation. His life cannot be understood without recognizing the central place occupied by Mercury.

In his chart, Mercury is in Gemini, its sign of rulership, placed in the first house and conjunct the Ascendant. This configuration places the intellect at the very core of identity. Thought, analysis, and the processing of information define the way of being in the world and of defining oneself.

Mercury rules the Ascendant, directly linking intellect to identity. The Midheaven in Aquarius situates the life path within collective and systemic issues, consistent with a destiny connected to networks and structures. Mercury's oppositions to Uranus and to Jupiter reflect a disruptive mode of thinking, stretched between knowledge and power.

This Mercurian dominance expresses itself through strong mental nervousness and difficulty stepping back from intellectual stakes. The oppositions of the Sun and Mars to Neptune point to a context of confusion and sacrifice, in which Mercurian lucidity collides with forces beyond his control.

Histogram of dominant planets for Edward Snowden

Histogram of Edward Snowden's dominant planets

Edward Snowden is an emblematic case of a dissonant Mercury pushed to its breaking point. The intellect, directly engaged with global information, structures the entirety of existence and determines the price he has to pay.

Edward Snowden
Display the Detailed Birth Chart
Author: Laura Poitras / Praxis Films
Credits: Screenshot of the film Prism by Praxis Films
Licence: Creative Commons Attribution 3.0
Date of birth
Tuesday, June 21, 1983
City of birth
Elizabeth City (NC) (United States)
Gemini
Sagittarius
Libra
Mercury
Uranus
Jupiter
DominantDom. Planets
1
6
5
Air
Fire
DominantDom. Elements
Chinese astrological sign
Water Pig
3
Birth Path
Height
5' 11" (1m80) tall
Biography of Edward Snowden (excerpt)
Edward Snowden, né le 21 juin 1983 à Elizabeth City en Caroline du Nord, est un ancien contractuel du renseignement américain devenu lanceur d’alerte. Il est mondialement connu pour avoir révélé l’existence de vastes programmes de surveillance de masse menés par la National Security Agency (NSA). Après des études inachevées, il travaille à partir de 2006 pour la CIA, puis pour Dell, où il...

You may also read the astrological portrait of Edward Snowden.

Below is Edward Snowden's birth chart:

Astrology: horoscope and birth chart of Edward Snowden (Placidus) Image taken from the horoscope, birth chart and astrological portrait of Edward Snowden, born June 21, 1983, 4:42 AM, Elizabeth City (NC) (United States) 1 2 3 4 5 6 7 8 9 10 11 12 27° 49' 24° 13' 28° 16' 20° 53' 10° 19' 12° 15' 24° 38' 25° 06' 29° 26' 14° 42' 26° 47' 27° 48' 13° 25' 09' 11'

Françoise Sagan: A Nervous Mercury and Early Lucidity

Françoise Sagan / Author: unknown, 1958 / Public domain

Françoise Sagan rose to prominence very early with the publication of Bonjour Tristesse, an immediate success that revealed writing of striking intellectual maturity. Speed of thought, emotional distance, and early lucidity characterize a body of work in which intelligence observes feelings without dissolving into them.

In her chart, retrograde Mercury in Gemini is conjunct the Sun by less than half a degree, in the tenth house. This extremely tight conjunction places the intellect at the center of identity and vocation. Thinking, writing, and formulating become the core of personal expression and social recognition.

The sign of Gemini heightens mental quickness and ease of expression. Thought is mobile and alert, sometimes casually detached. The tenth house projects this intelligence onto the public stage, making writing a social position as much as a mode of expression.

Rulerships confirm this centrality. Mercury rules the Ascendant in Virgo and the Midheaven in Gemini, closely linking one's manner of being and destiny to the intellectual function. The person is defined above all by the mind.

Histogram of dominant planets for Françoise Sagan

Histogram of Françoise Sagan's dominant planets

The aspects nonetheless reveal a clear tension between reason and sensitivity. The Saturn–Neptune opposition highlights the difficulty of reconciling lucidity with emotion. In Françoise Sagan's chart, Mercury dominates unmistakably, shaping a cerebral, nervous, and disenchanted relationship to the world that forms the deep signature of her work.

Françoise Sagan
Display the Detailed Birth Chart
Author: Stiopik
Credits: Own work
Licence: Creative Commons Attribution-Share Alike 4.0
Date of birth
Friday, June 21, 1935
City of birth
Cajarc (46) (France)
Gemini
Pisces
Virgo
Mercury
Saturn
Neptune
DominantDom. Planets
10
6
7
Air
Water
DominantDom. Elements
Chinese astrological sign
Wood Pig
9
Birth Path
Height
5' 5" (1m65) tall
Biography of Françoise Sagan (excerpt)
Françoise Sagan (born Françoise Delphine Quoirez; 21 June 1935 – 24 September 2004) was a French playwright, novelist, and screenwriter. Sagan was known for works with strong romantic themes involving wealthy and disillusioned bourgeois characters. Her best-known novel was her first, Bonjour Tristesse (1954), which was written when she was a teenager. Personal life Sagan was married twice. On...

You may also read the astrological portrait of Françoise Sagan.

Below is Françoise Sagan's birth chart:

Astrology: horoscope and birth chart of Françoise Sagan (Placidus) Image taken from the horoscope, birth chart and astrological portrait of Françoise Sagan, born June 21, 1935, 11:00 AM, Cajarc (46) (France) 1 2 3 4 5 6 7 8 9 10 11 12 10° 13' 29' 27' 34' 29° 06' 29° 37' 24° 53' 14° 14' 15° 00' 31' 12° 01' 12° 35' 14° 02' 22° 08' 03'

Some Examples of Mercurian Birth Charts

Below are several examples of public figures whose birth charts show a dominant Mercury above 20%.

Name Dominant Mercury Rodden
Andrea Bocelli 33.59% AA
Ted Kaczynski 32.30% AA
Kelly Ripa 30.33% A
Tupac Shakur (rapper) 29.63% B
Andy Murray 29.12% AA
Julie Gayet 28.98% AA
Donald Sutherland 28.47% A
Mark Tuan 27.58% A
Olivia de Havilland 27.56% A
Rachel Bilson 27.28% AA
Aaron Taylor-Johnson 26.98% A
Josephine Baker 26.31% B
Donald Glover 26.26% AA
Trixie Mattel 26.14% A
Edward Snowden 25.44% AA
Jennifer Lawrence 25.40% AA
Brian Molko 25.39% AA
John Cleese 24.86% A
Patsy Cline 24.82% AA
Françoise Sagan 24.61% AA
François Asselineau 24.50% AA
Keri Russell 24.46% AA
Paul McCartney 24.24% A
Chris Noth 24.18% AA
Johnny Hallyday 23.99% AA
Bryan Cranston 23.92% AA
Burt Reynolds 23.46% AA
Elizabeth Banks 23.43% AA
Sofia Essaïdi 23.39% AA
John Goodman 23.11% A
Alizée (singer) 23.08% AA
Kris Jenner 23.08% AA
Julie Andrews 22.93% B
François Hollande 22.87% AA
Claude François 22.56% AA
Richard Nixon 22.52% AA
Helen Hunt 22.50% AA
Roland Orzabal 22.48% A
Winston Churchill 22.29% A
Chris Pine 22.24% AA
Matt Dillon 22.17% AA
Bo Burnham 21.84% AA
Chloe Sevigny 21.82% AA
Edward Norton 21.75% AA
Lucy Hale 21.70% AA
Eric Zemmour 21.62% AA
Uma Thurman 21.61% AA
Gérard Lanvin 21.43% AA
Shirley MacLaine 21.39% AA
Pelé 21.38% AA
Elon Musk 21.36% B
Niall Horan 21.34% A
Ronda Rousey 21.26% AA
Paul Walker 21.21% AA
Jules Verne 21.17% AA
Calogero 21.17% AA
Renée Zellweger 21.06% AA
Vanessa Marcil 20.85% AA
Christina Ricci 20.83% AA
Doris Day 20.82% AA
Audrey Tautou 20.72% AA
Annie Lennox 20.65% AA
Faye Dunaway 20.61% AA
Tommy Lee Jones 20.61% AA
Rose McGowan 20.60% AA
Amy Winehouse 20.55% A
Silvio Berlusconi 20.52% AA
David Beckham 20.42% B
Arnold Schwarzenegger 20.41% A
Elizabeth Teissier 20.39% AA
Roy Orbison 20.36% AA
Josh Holloway 20.36% AA
Ernest Hemingway 20.33% AA
Hugh Hefner 20.27% AA
Andy Samberg 20.25% AA
Joan Rivers 20.24% A
Jean-Luc Mélenchon 20.23% AA
Liam Gallagher 20.17% A
Marion Cotillard 20.14% AA
Bob Dylan 20.03% AA
Yannick Noah 20.01% AA
Eros Ramazzotti 20.00% A