Unisex name · Irish, Gaelic

Caelan

How to say it: KAY-luhn · /ˈkeɪlən/

Anglicized Irish Caolan meaning 'slender, narrow' - modern unisex spelling for boys and girls.

Caelan was the 334th most popular girls’ name in the United States in 2025, given to 49 babies of either sex (Social Security Administration). Its busiest decade was the 2000s, its births are down about 72% in ten years, and it is projected to slip to #493 by 2030.

Updated · SSA 2025 data, published May 2026 · Insee 2025 data, published July 2026 · How we compute these figures

#334for girls in 2025
1 in 3,372US babies
49born in 2025
#493projected for 2030
2000sits peak decade
1 in 141chance a classmate shares it

Key facts

Key facts about Caelan
Rank among girls’ names, 2025#334
Babies born in 2025 (both sexes)49
Share of births1 in 3,372
Peak decade2000s
Change over 10 years−72%
Projected rank for 2030 (estimate)#493
In France, 2025#2,666 among girls’ names, 15 births

Sources: Social Security Administration (SSA), Insee (France). How we compute these figures.

Its life, decade by decade

Caelan is a newcomer: almost all of its history is from the last forty years.

1900195020002020–25
Peak: 35 per million births, 2000s.

What goes with it

In the classroom

In a class of 25 children born in 2025, the chance that another child is called Caelan is about 1 in 141.

Around the world

This spelling is used in English, French, Irish.

In France: #2,666 for girls in 2025.

England and Wales: #354. Ireland: #43.

Famous people named Caelan

From Wikidata and Wikipedia

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