SWIMMER
Mollie O'Callaghan
2004 - Today

Mollie O'Callaghan
Mollie Grace O'Callaghan (born 2 April 2004) is an Australian swimmer and the reigning Olympic champion in the 200 m freestyle. She was the 2023 world champion in the women's 100m and 200m freestyle individual events, and part of the world champion 4 × 100 m and 4 × 200 m Australian women's relay teams together with 4 × 100 m mixed relay team. She currently holds the world record in the women's individual 200m freestyle. O'Callaghan also won two gold and one bronze medals at the 2020 Summer Olympics as a heats swimmer in relay events and gold medal in the 200 m freestyle and 4 × 100 metre freestyle relay at the 2024 Summer Olympics. Read more on Wikipedia
Her biography is available in 32 different languages on Wikipedia (up from 21 in 2024). Mollie O'Callaghan is the 649th most popular swimmer (down from 543rd in 2024), the 1,097th most popular biography from Australia (down from 958th in 2019) and the 48th most popular Australian Swimmer.
Memorability Metrics
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Among SWIMMERS
Among swimmers, Mollie O'Callaghan ranks 649 out of 709. Before her are Hubert Kós, Cate Campbell, Chase Kalisz, Wu Peng, Gretchen Walsh, and James Magnussen. After her are Matt Welsh, Kaio de Almeida, Jessica Long, Saho Harada, Anastasiya Kirpichnikova, and Kaylee McKeown.
Most Popular Swimmers in Wikipedia
Go to all RankingsHubert Kós
2003 - Present
HPI: 35.27
Rank: 643
Cate Campbell
1992 - Present
HPI: 35.26
Rank: 644
Chase Kalisz
1994 - Present
HPI: 35.23
Rank: 645
Wu Peng
1987 - Present
HPI: 35.23
Rank: 646
Gretchen Walsh
2003 - Present
HPI: 35.18
Rank: 647
James Magnussen
1991 - Present
HPI: 35.18
Rank: 648
Mollie O'Callaghan
2004 - Present
HPI: 35.17
Rank: 649
Matt Welsh
1976 - Present
HPI: 35.16
Rank: 650
Kaio de Almeida
1984 - Present
HPI: 35.16
Rank: 651
Jessica Long
1992 - Present
HPI: 35.11
Rank: 652
Saho Harada
1982 - Present
HPI: 35.08
Rank: 653
Anastasiya Kirpichnikova
2000 - Present
HPI: 35.04
Rank: 654
Kaylee McKeown
2001 - Present
HPI: 35.04
Rank: 655
Contemporaries
Among people born in 2004, Mollie O'Callaghan ranks 90. Before her are Vincent Keymer, Yankuba Minteh, Shin Yu-bin, Josh Tarling, Iván Fresneda, and Evan Ferguson. After her are Brajan Gruda, Teagan Croft, Emre Demir, Marko Lazetić, Bilal Coulibaly, and Darío Osorio.
Others Born in 2004
Go to all RankingsVincent Keymer
CHESS PLAYER
2004 - Present
HPI: 36.54
Rank: 84
Yankuba Minteh
SOCCER PLAYER
2004 - Present
HPI: 36.38
Rank: 85
Shin Yu-bin
ATHLETE
2004 - Present
HPI: 36.30
Rank: 86
Josh Tarling
CYCLIST
2004 - Present
HPI: 36.05
Rank: 87
Iván Fresneda
SOCCER PLAYER
2004 - Present
HPI: 35.84
Rank: 88
Evan Ferguson
SOCCER PLAYER
2004 - Present
HPI: 35.71
Rank: 89
Mollie O'Callaghan
SWIMMER
2004 - Present
HPI: 35.17
Rank: 90
Brajan Gruda
SOCCER PLAYER
2004 - Present
HPI: 35.10
Rank: 91
Teagan Croft
ACTOR
2004 - Present
HPI: 35.08
Rank: 92
Emre Demir
SOCCER PLAYER
2004 - Present
HPI: 34.90
Rank: 93
Marko Lazetić
SOCCER PLAYER
2004 - Present
HPI: 34.82
Rank: 94
Bilal Coulibaly
BASKETBALL PLAYER
2004 - Present
HPI: 34.62
Rank: 95
Darío Osorio
SOCCER PLAYER
2004 - Present
HPI: 34.51
Rank: 96
In Australia
Among people born in Australia, Mollie O'Callaghan ranks 1,097 out of 1,143. Before her are Carla Boyd (1975), Kim Sun-woo (null), Daniel Geale (1981), Belinda Snell (1981), James Chapman (1979), and James Magnussen (1991). After her are Danny Allsopp (1978), Callum Scotson (1996), Matt Welsh (1976), Joshua Brillante (1993), Jay McCarthy (1992), and Teagan Croft (2004).
Others born in Australia
Go to all RankingsCarla Boyd
BASKETBALL PLAYER
1975 - Present
HPI: 35.29
Rank: 1,091
Kim Sun-woo
ATHLETE
HPI: 35.28
Rank: 1,092
Daniel Geale
BOXER
1981 - Present
HPI: 35.27
Rank: 1,093
Belinda Snell
BASKETBALL PLAYER
1981 - Present
HPI: 35.19
Rank: 1,094
James Chapman
ATHLETE
1979 - Present
HPI: 35.19
Rank: 1,095
James Magnussen
SWIMMER
1991 - Present
HPI: 35.18
Rank: 1,096
Mollie O'Callaghan
SWIMMER
2004 - Present
HPI: 35.17
Rank: 1,097
Danny Allsopp
SOCCER PLAYER
1978 - Present
HPI: 35.16
Rank: 1,098
Callum Scotson
CYCLIST
1996 - Present
HPI: 35.16
Rank: 1,099
Matt Welsh
SWIMMER
1976 - Present
HPI: 35.16
Rank: 1,100
Joshua Brillante
SOCCER PLAYER
1993 - Present
HPI: 35.15
Rank: 1,101
Jay McCarthy
CYCLIST
1992 - Present
HPI: 35.09
Rank: 1,102
Teagan Croft
ACTOR
2004 - Present
HPI: 35.08
Rank: 1,103
Among SWIMMERS In Australia
Among swimmers born in Australia, Mollie O'Callaghan ranks 48. Before her are Madeline Groves (1995), Brenton Rickard (1983), Leisel Jones (1985), Ariarne Titmus (2000), Libby Trickett (1985), and James Magnussen (1991). After her are Matt Welsh (1976), Kaylee McKeown (2001), Kyle Chalmers (1998), Angie Bainbridge (1989), Blair Evans (1991), and Susie O'Neill (1973).
Madeline Groves
1995 - Present
HPI: 37.25
Rank: 42
Brenton Rickard
1983 - Present
HPI: 36.59
Rank: 43
Leisel Jones
1985 - Present
HPI: 36.28
Rank: 44
Ariarne Titmus
2000 - Present
HPI: 35.77
Rank: 45
Libby Trickett
1985 - Present
HPI: 35.68
Rank: 46
James Magnussen
1991 - Present
HPI: 35.18
Rank: 47
Mollie O'Callaghan
2004 - Present
HPI: 35.17
Rank: 48
Matt Welsh
1976 - Present
HPI: 35.16
Rank: 49
Kaylee McKeown
2001 - Present
HPI: 35.04
Rank: 50
Kyle Chalmers
1998 - Present
HPI: 34.58
Rank: 51
Angie Bainbridge
1989 - Present
HPI: 34.52
Rank: 52
Blair Evans
1991 - Present
HPI: 34.49
Rank: 53
Susie O'Neill
1973 - Present
HPI: 34.33
Rank: 54










































