Girl’s name · Germanic, English

Tilly

How to say it: TIL-ee · /ˈtɪli/

Diminutive of Matilda, from Germanic 'Mahthildis' meaning 'mighty in battle'; also used as an independent name.

Tilly was the 590th most popular girls’ name in the United States in 2025, given to 302 babies (Social Security Administration). The 2020s are its busiest decade so far, its births are up 3.0-fold in ten years, and it is projected to rise to #387 by 2030.

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

#590for girls in 2025
1 in 6,921US babies
302born in 2025
#387projected for 2030
2020sits peak decade
under 1 in 200chance a classmate shares it

Key facts

Key facts about Tilly
Rank among girls’ names, 2025#590
Babies born in 2025302
Share of births1 in 6,921
Peak decade2020s
Change over 10 years×3.0
Projected rank for 2030 (estimate)#387

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

Its life, decade by decade

Upward lately, Tilly is enjoying its finest period in the 2020s. More growth is expected in the near future.

1900195020002020–25
Peak: 149 per million births, 2020s.

What goes with it

Bright and lilting with soft clarity and a crisp snap, Tilly feels gentle. Pippa shares its charm and Edie brings similar cheer.

Parents who love Tilly also love

Nicknames

  • Til
  • Tils

Other spellings

Honouring a Tilly in the family

In the classroom

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

Around the world

This spelling is used in English, French, German.

England and Wales: #194. Ireland: #245.

Famous people named Tilly

From Wikidata and Wikipedia

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