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2025 data, released 8 May 2026

Kaelyn

Kaelyn was the 1601st most popular name for girls in 2025, given to 131 babies. Its best year was 2009, when it ranked 332nd with 997 babies. Over the last ten years it has moved down 1,079 places. More babies were named Kaelyn in the 2000s than in any other decade.

Meaning Not yet researched how we research meanings

Rank in 2025
#1,601 girls, down 492 places since 2020
Babies in 2025
131girls
Girls and boys
Almost always a girl’s name2021–2025
Peak year
2009997 babies
Total since 1880
15,648babies recorded

Kaelyn popularity since 1880

02505007501k 1900192019401960198020002020
Girls Babies per year, US, from Social Security records. Years with fewer than 5 babies show as zero.

A few boys are given the name too: 82 since 1995.

YearRank (girls)Babies (girls)
2025#1,601131
2020#1,109221
2010#340945
2000#651380
1990#1,58995
1980——
1970——
1960——
1950——
1940——
1930——
1920——
1910——
1900——
1890——
1880——

How popular is Kaelyn, counting every spelling?

Kaelyn is a spelling of Kaylin, a name family that ranked #295 for girls in 2025 once every spelling is counted together, compared with #1,601 for Kaelyn on its own. Together these spellings went to 1,103 girls in 2025.

SpellingBabies 2025Official rankBabies 2021–2025
Kaylin126#1,644834
Kaylynn134#1,576774
Kailyn110#1,825736
Kaelyn131#1,601728
Kayleen70#2,524559
Kaelynn79#2,310537
Kailynn78#2,343501
Kaylyn70#2,525372
Kaylen61#2,796363
Cailyn40#3,728261
Kaileen33#4,299242
Kaylene37#3,947224

Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.

How many kids will share the name Kaelyn?

131 of the 3,606,400 babies born in the US in 2025 were named Kaelyn (0.04 per 1,000 births). For a girl named Kaelyn born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 64 (of 430 pupils) would have a child named Kaelyn.

Chance of another Kaelyn in a class of 20under 1 in 50US, born 2025
Most likely inGeorgiaunder 1 in 50 (2024)

Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.

How old are people named Kaelyn?

About 15,400 people born in the US named Kaelyn are alive today, with a median age of 18; half are between 13 and 23. That makes Kaelyn mostly worn by children and young adults.

0–910–1920–2930–3940–4950–5960–6970–7980–8990+
Estimated people alive in the US with the name, by age, mid-2026. The darker bar holds the median age.

Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.

Kaelyn by state

How common Kaelyn was among girls born in each state in 2021–2025. It is notably more common than nationally in South Carolina (2.6×), Georgia (2.2×). In 30 states fewer than five girls a year got the name, too few for SSA to publish, so those states show as zero.

Alaska: fewer than 5 a yearAK–Maine: fewer than 5 a yearME–Wisconsin: fewer than 5 a yearWI–Vermont: fewer than 5 a yearVT–New Hampshire: fewer than 5 a yearNH–Washington: 0.04 per 1,000 babiesWA0.04Idaho: fewer than 5 a yearID–Montana: fewer than 5 a yearMT–North Dakota: fewer than 5 a yearND–Minnesota: fewer than 5 a yearMN–Illinois: 0.06 per 1,000 babiesIL0.06Michigan: 0.03 per 1,000 babiesMI0.03New York: 0.08 per 1,000 babiesNY0.08Massachusetts: 0.05 per 1,000 babiesMA0.05Oregon: fewer than 5 a yearOR–Nevada: fewer than 5 a yearNV–Wyoming: fewer than 5 a yearWY–South Dakota: fewer than 5 a yearSD–Iowa: fewer than 5 a yearIA–Indiana: 0.09 per 1,000 babiesIN0.09Ohio: 0.05 per 1,000 babiesOH0.05Pennsylvania: 0.10 per 1,000 babiesPA0.10New Jersey: 0.03 per 1,000 babiesNJ0.03Connecticut: 0.09 per 1,000 babiesCT0.09Rhode Island: fewer than 5 a yearRI–California: 0.08 per 1,000 babiesCA0.08Utah: fewer than 5 a yearUT–Colorado: fewer than 5 a yearCO–Nebraska: fewer than 5 a yearNE–Missouri: 0.04 per 1,000 babiesMO0.04Kentucky: fewer than 5 a yearKY–West Virginia: fewer than 5 a yearWV–Virginia: 0.04 per 1,000 babiesVA0.04Maryland: 0.05 per 1,000 babiesMD0.05Delaware: fewer than 5 a yearDE–Arizona: fewer than 5 a yearAZ–New Mexico: fewer than 5 a yearNM–Kansas: fewer than 5 a yearKS–Arkansas: fewer than 5 a yearAR–Tennessee: 0.07 per 1,000 babiesTN0.07North Carolina: 0.09 per 1,000 babiesNC0.09South Carolina: 0.23 per 1,000 babiesSC0.23District of Columbia: fewer than 5 a yearDC–Oklahoma: fewer than 5 a yearOK–Louisiana: fewer than 5 a yearLA–Mississippi: fewer than 5 a yearMS–Alabama: 0.07 per 1,000 babiesAL0.07Georgia: 0.19 per 1,000 babiesGA0.19Hawaii: fewer than 5 a yearHI–Texas: 0.11 per 1,000 babiesTX0.11Florida: 0.12 per 1,000 babiesFL0.12
Babies per 1,000 of the same sex, Kaelyn, girls, 2021–2025. Darker means more common.

Names with a similar history

These names rose and fell in step with Kaelyn: their share of US girls followed the most similar curve since 1880. If you like Kaelyn, they share its era and feel.

Questions about the name Kaelyn

How popular is the name Kaelyn?

Kaelyn was the 1601st most popular name for girls in 2025, given to 131 babies. Its best year was 2009, when it ranked 332nd with 997 babies. Over the last ten years it has moved down 1,079 places. More babies were named Kaelyn in the 2000s than in any other decade.

Is Kaelyn a boy or girl name?

In 2021–2025, almost always a girl’s name given the name Kaelyn in the US.

Where is Kaelyn most popular?

In 2021–2025, Kaelyn was most common in South Carolina (0.23 per 1,000 girls), followed by Georgia and Florida.