Girl’s name · Irish, Celtic

Alannah

How to say it: uh-LAN-uh · /əˈlænə/

Irish variant of Alana; from Irish 'a leanbh' ('O child') or Celtic 'alun' (harmony). Possibly also a feminine form of Alan.

Alannah was the 88th most popular girls’ name in the United States in 2025, given to 123 babies (Social Security Administration). Its busiest decade was the 2010s, its births are up about 21% in ten years, and it is projected to rise to #64 by 2030.

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

#88for girls in 2025
1 in 968US babies
123born in 2025
#64projected for 2030
2010sits peak decade
1 in 41chance a classmate shares it

Key facts

Key facts about Alannah
Rank among girls’ names, 2025#88
Babies born in 2025123
Share of births1 in 968
Peak decade2010s
Change over 10 years+21%
Projected rank for 2030 (estimate)#64
In France, 2025#366 among girls’ names, 5 births

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

Its life, decade by decade

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

1900195020002020–25
Peak: 172 per million births, 2010s.

What goes with it

In the classroom

In a class of 25 children born in 2025, the chance that another child is called Alannah is about 1 in 41.

Around the world

This spelling is used in English, French, Irish.

In France: #366 for girls in 2025.

Ireland: #103.

Famous people named Alannah

From Wikidata and Wikipedia

Keep exploring

Find names you'll both love, starting with Alannah

The one-minute style quiz.

Take the quiz

Or see the Vowel app →