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GirlOrigin debated2 syllables

Ailsa

Meaning: not confirmed (origin debated)

About the name Ailsa

The origin of Ailsa is debated, and we couldn't confirm its meaning from a sourced etymology. A commonly cited theory links it to Scottish roots, with the meaning “Elf victory; after the island Ailsa Craig”. Treat that as a theory, not a settled fact.

Why we say this: we only state a meaning as fact when a sourced etymology (Wiktionary, with its references) supports it. For Ailsa we didn't find one we were confident in, so we show the popular explanation as a theory.

It has a unique feel. Fewer than 5 US babies of either sex received it in 2025, so it's very rare right now. Its peak year since 1940 was 2003. Since 2000, 100% of US babies named Ailsa were girls.

US rank 2025
Not ranked
In 2015
#10906
Babies in 2025
Under 5

Popularity of Ailsa, 1940–2025

0510141919401960198020002020
GirlsBabies per year in the US

Latest SSA data: 2025.

Popularity data: U.S. Social Security Administration national baby names (public domain; names given to at least 5 babies of one sex per year).

Names similar to Ailsa

Name meanings marked or linked “Wiktionary” are adapted from Wiktionary by Wiktionary contributors, CC BY-SA 4.0; each name page links its source entry.