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Caitlyn

Gender
Girl
Say it
KAYT-lin
Origin
Greek
UK rank, 2025
#1,368 for girls
US rank, 2025
#2,485 for girls

Caitlyn is a girls' name of Greek origin. In 2025 it ranked 1,368th for girls in the UK (24 babies) and 2,485th for girls in the US (71 babies).

Where does Caitlyn come from?

Greek: spelling of Caitlin

More on Wiktionary.

Is Caitlyn a girl's or a boy's name?

Caitlyn is a girls' name. In 2025, it was given to 24 girls in the UK and 71 girls in the US. Too few boys were given it to be listed.

How popular is Caitlyn in the UK?

Rank in 2025
1,368th among girls
Babies in 2025
24 about 1 in 12,000 girls
Five-year trend
Falling down 58% in five years
Same name in a class
under 1% chance among 15 girls

In 2025, 24 girls in the UK were named Caitlyn, making it the 1,368th most popular name for girls. Five years earlier, in 2020, it was 974th. Its busiest year was 2007, with 410 girls.

It has been given to fewer girls each year for the last 3 years. 2025 had the fewest girls named Caitlyn since the records began in 1996.

Half of all the girls named Caitlyn in the UK since 1996 were born between 2002 and 2011, the years shaded on the chart below.

In 2025, 124 girls in the UK were given Caitlyn or a name that sounds the same. With every name's spellings counted this way, that ranks #384, up from #1,368 for this spelling alone.

Among girls in 2025, it was 1,315th in England and Wales.

1996Busiest: 410 in 20072025
Caitlyn in the UK, year by year
YearGirlsRank
202524#1,368
202425#1,356
202335#1,051
202240#936
202129#1,231
202038#974
201961#692
2018102#478
201789#526
2016146#358
2015167#311
2014191#277
2013210#255
2012262#213
2011301#191
2010323#184
2009370#164
2008373#165
2007410#151
2006396#155
2005405#149
2004392#155
2003408#138
2002394#136
2001364#142
2000361#144
1999278#181
1998260#186
1997148#281
199672#455

How popular is Caitlyn in the US?

Rank in 2025
2,485th among girls
Babies in 2025
71 about 1 in 23,000 girls
Five-year trend
Falling down 53% in five years
Same name in a class
under 1% chance among 15 girls

In 2025, 71 girls in the US were named Caitlyn, making it the 2,485th most popular name for girls. Five years earlier, in 2020, it was 1,632nd. Its busiest year was 1998, with 2,937 girls. It first appears in the records in 1968.

It has been given to fewer girls each year for the last 4 years. 2025 had fewer girls named Caitlyn than any year since 1981.

Half of all the girls named Caitlyn in the US since 1880 were born between 1994 and 2005, the years shaded on the chart below.

In 2025, 813 girls in the US were given Caitlyn or a name that sounds the same. With every name's spellings counted this way, that ranks #407, up from #2,485 for this spelling alone.

1968Busiest: 2,937 in 19982025
Caitlyn in the US, year by year
YearGirlsRank
202571#2,485
202478#2,347
2023103#1,922
2022123#1,692
2021127#1,641
2020127#1,632
2019198#1,186
2018206#1,170
2017232#1,091
2016249#1,049
2015494#598
2014692#462
2013754#406
2012826#378
2011930#343
20101,071#302
20091,279#256
20081,492#227
20071,611#213
20061,755#200
20051,898#182
20042,030#165
20032,080#160
20022,266#148
20012,536#133
20002,835#118
19992,673#124
19982,937#115
19972,364#133
19962,334#138
19952,302#138
19942,171#150
19932,044#153
19921,970#156
19911,609#185
19901,587#183
19891,234#221
19881,171#222
1987596#387
1986537#410
1985373#532
1984212#762
1983157#942
1982105#1,243
198146#2,195
198042#2,308
197918#4,051
197813#4,931
197713#4,941
19760–
197510#5,514
19745#8,773
19730–
19725#8,290
19717#6,617
19700–
19690–
19685#7,014

Nicknames for Caitlyn

Names like Caitlyn

Names given in the same years and the same naming tradition, with a similar sound.

Other spellings of Caitlyn

Names related to Caitlyn

More Greek names

Every Greek name

Sources

Figures from Baby names in England and Wales (Office for National Statistics), Babies' first names (National Records of Scotland), Baby names (Northern Ireland Statistics and Research Agency) and Popular Baby Names (US Social Security Administration). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.

To cite this page: Nameling, “Caitlyn: name meaning, origin and popularity”, https://www.nameling.co.uk/names/caitlyn, updated 20 October 2026.