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2025 data, released 8 May 2026

Katlyn

Katlyn was the 8612th most popular name for girls in 2025, given to 12 babies. Its best year was 1995, when it ranked 223rd with 1,260 babies. Over the last ten years it has moved down 5,335 places. More babies were named Katlyn in the 1990s than in any other decade.

Meaning Not yet researched how we research meanings

Rank in 2025
#8,612 girls, up 625 places since 2020
Babies in 2025
12girls
Girls and boys
Almost always a girl’s name2021–2025
Peak year
19951,260 babies
Total since 1880
18,438babies recorded

Katlyn popularity since 1880

05001k1.5k2k 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: 5 since 1989.

YearRank (girls)Babies (girls)
2025#8,61212
2020#9,23711
2010#1,540145
2000#330962
1990#343779
1980#5,69312
1970——
1960——
1950——
1940——
1930——
1920——
1910——
1900——
1890——
1880——

How popular is Katlyn, counting every spelling?

Katlyn is the most common spelling of a name family that had 12 girls in 2025 across its spellings. Together these spellings went to 12 girls in 2025.

SpellingBabies 2025Official rankBabies 2021–2025
Katlyn12#8,61279

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 Katlyn?

12 of the 3,606,400 babies born in the US in 2025 were named Katlyn (0.00 per 1,000 births). For a girl named Katlyn 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 705 (of 430 pupils) would have a child named Katlyn.

Chance of another Katlyn in a class of 20under 1 in 50US, born 2025

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

How old are people named Katlyn?

About 18,100 people born in the US named Katlyn are alive today, with a median age of 29; half are between 25 and 33. That makes Katlyn 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.

Names with a similar history

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

Questions about the name Katlyn

How popular is the name Katlyn?

Katlyn was the 8612th most popular name for girls in 2025, given to 12 babies. Its best year was 1995, when it ranked 223rd with 1,260 babies. Over the last ten years it has moved down 5,335 places. More babies were named Katlyn in the 1990s than in any other decade.

Is Katlyn a boy or girl name?

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