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Mark O'Mahony — the living record · GraphFoot
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Attacker · Republic of Ireland
Mark O'Mahony
Mark O’Mahony
Brighton U21
age 21 (14 Jan 2005)
182cm
unknown
Football Intelligence Coverage
46%
Last updated: 11 Aug 2026
Available
Compare
GraphFoot Index
Data Completeness
Overview
Career
Market
Statistics
Transfers
Trophies
History
M
Attacker · active
Mark O'Mahony
Republic of Ireland
·
Brighton U21 · Brighton U21 · Portsmouth · Brighton U21
·
age 21
·
Data Completeness
Portrait
Timeline
Milestones
Statistics
Relationships
Matches
Chapter two · timeline
A career, unrolled
Brighton U21
Brighton U21
Portsmouth
2024
2025
2025
4 clubs · 0 transfers on record.
The timeline · every turning point
Milestones
2024
·
signed
Portsmouth
Signed for Portsmouth
2025
·
signed
Brighton U21
Signed for Brighton U21
2026
·
signed
Brighton U21
Signed for Brighton U21
Chapter four · statistics
The numbers, on the record
—
B2
player.statMeta.career.club
—
B2
player.statMeta.career.club
—
B2
player.statMeta.career.club
—
B2
player.statMeta.career.club
Chapter seven · relationships
The web around a career
Every link below is derived from shared matches and overlapping spells in the Football Graph — not a hand-written list.
Played with
C
Carl Rushworth
1 match
J
Jack Hinshelwood
1 match
A
Adam Webster
1 match
B
Billy Gilmour
1 match
C
Carlos Baleba
1 match
D
Danny Welbeck
1 match
J
James Milner
1 match
J
Jan Paul van Hecke
1 match
J
Jason Steele
1 match
J
Jeremy Sarmiento
1 match
J
João Pedro
1 match
J
Joël Veltman
1 match
K
Kaoru Mitoma
1 match
L
Lewis Dunk
1 match
M
Mats Wieffer
1 match
S
Simon Adingra
1 match
Faced
A
Abdoulaye Doucouré
A
Ashley Young
B
Beto
D
Dominic Calvert-Lewin
D
Dwight McNeil
H
Harrison Armstrong
I
Idrissa Gueye
I
Iliman Ndiaye
J
Jack Harrison
J
Jake O'Brien
J
James Tarkowski
J
Jenson Metcalfe
J
Jesper Lindstrøm
J
João Virgínia
J
Jordan Pickford
M
Mason Holgate
Clubs
E
Everton
faced
P
Portsmouth
played for
B
Brighton U21
played for
Chapter eight · historical matches
Nights that made the name
2024
Premier League 2024/2025 · 1
Everton
v
Brighton & Hove Albion
0
×
3
Starter
Match center
Every number is a
door.
Every figure opens its sources — tap any number.
GraphFoot — the living record of world football.
More chapters coming: career map · related stories
Brighton U21
Brighton U21
Everton 