Girl’s name · French

Lilou

How to say it: lee-LOO · /lilˈu/

Diminutive of Lily/Liliane meaning 'lily' - modern French coinage popular since 2000s.

Lilou was the 5,861st most popular girls’ name in the United States in 2025, given to 15 babies (Social Security Administration). Its busiest decade was the 2010s, its births are down about 26% in ten years, and it is projected to slip to #8,519 by 2030.

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

#5,861for girls in 2025
1 in 221,022US babies
15born in 2025
#8,519projected for 2030
2010sits peak decade
under 1 in 200chance a classmate shares it

Key facts

Key facts about Lilou
Rank among girls’ names, 2025#5,861
Babies born in 202515
Share of births1 in 221,022
Peak decade2010s
Change over 10 years−26%
Projected rank for 2030 (estimate)#8,519
In France, 2025#188 among girls’ names, 260 births

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

Its life, decade by decade

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

1900195020002020–25
Peak: 13 per million births, 2010s.

What goes with it

Nicknames

  • Lili
  • Lou
  • Loulou

Other spellings

In the classroom

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

Around the world

This spelling is used in English, French.

In France: #188 for girls in 2025.

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