Girl’s name · American English

Londynn

How to say it: LUN-din · /ˈlʌndɪn/

Elaborated spelling of London; the English capital used as a given name, with -nn suffix for stylistic flair.

Londynn was the 220th most popular girls’ name in the United States in 2025, given to 113 babies (Social Security Administration). Its busiest decade was the 2010s, its births are down about 69% in ten years, and it is projected to slip to #355 by 2030.

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

#220for girls in 2025
1 in 2,032US babies
113born in 2025
#355projected for 2030
2010sits peak decade
1 in 85chance a classmate shares it

Key facts

Key facts about Londynn
Rank among girls’ names, 2025#220
Babies born in 2025113
Share of births1 in 2,032
Peak decade2010s
Change over 10 years−69%
Projected rank for 2030 (estimate)#355

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

Its life, decade by decade

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

1900195020002020–25
Peak: 110 per million births, 2010s.

What goes with it

Parents who love Londynn also love

Nicknames

  • Lon
  • Lynn

Honouring a Londynn in the family

In the classroom

In a class of 25 children born in 2025, the chance that another child is called Londynn is about 1 in 85.

Around the world

This spelling is used in English.

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