Girl’s name · Irish, Greek

Kathleen

How to say it: kath-LEEN · /kæθˈlin/

Irish form of Katherine, from Greek 'Aikaterine'. Meaning debated; possibly 'pure' from Greek 'katharos'.

Kathleen was the 993rd most popular girls’ name in the United States in 2025, given to 201 babies (Social Security Administration). Its busiest decade was the 1950s, its births are down about 40% in ten years, and it is projected to slip to #1,149 by 2030.

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

#993for girls in 2025
1 in 16,494US babies
201born in 2025
#1,149projected for 2030
1950sits peak decade
under 1 in 200chance a classmate shares it

Key facts

Key facts about Kathleen
Rank among girls’ names, 2025#993
Babies born in 2025201
Share of births1 in 16,494
Peak decade1950s
Change over 10 years−40%
Projected rank for 2030 (estimate)#1,149
In France, 2025#2,541 among girls’ names, 5 births

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

Its life, decade by decade

Hitting its stride in the 1950s, Kathleen has grown scarcer since. Far from that peak now, more slipping is on the horizon.

1900195020002020–25
Peak: 11,773 per million births, 1950s.

What goes with it

Airy and breathy, Kathleen feels familiar and steady. Margaret shares its style.

Nicknames

  • Kathy
  • Kate
  • Kath
  • Kay
  • Kat

In the classroom

In a class of 25 children born in 2025, the chance that another child is called Kathleen is about under 1 in 200.

Around the world

This spelling is used in English, French, Greek, Irish.

In France: #2,541 for girls in 2025.

Ireland: #370.

Famous people named Kathleen

From Wikidata and Wikipedia

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