Reilly
Reilly: name meaning, origin and popularity
Pronunciation (IPA): /ΛΙΉaΙͺli/
Meaning and origin of Reilly
- A unisex given name transferred from the surname, of modern usage.
Etymology
From Irish Γ Raghallaigh, a surname meaning "descendants of Raghallach".
How popular is Reilly?
Since 1880, 5,528 girls and 4,560 boys in the U.S. have been named Reilly (55% girls). Its highest rank for girls was #623 in 1997. Its highest rank for boys was #806 in 1997. In 2025, 108 babies were given the name, outside the top 1,000.
Names similar to Reilly
Names that start with the same letters, most popular first.
More Irish unisex names
Sibling name ideas for Reilly
Sister and brother names that share Reilly's Irish roots and are still in the U.S. top 1,000.
Reilly FAQ
What does the name Reilly mean?
A unisex given name transferred from the surname, of modern usage. From Irish Γ Raghallaigh, a surname meaning "descendants of Raghallach".
What is the origin of the name Reilly?
Reilly is listed as a name of Irish origin.
How popular is the name Reilly?
Since 1880, 5,528 girls and 4,560 boys in the U.S. have been named Reilly (55% girls). Its highest rank for girls was #623 in 1997. Its highest rank for boys was #806 in 1997. In 2025, 108 babies were given the name, outside the top 1,000.
Is Reilly a boy or girl name?
Reilly is used for both boys and girls in the U.S. (5,528 girls and 4,560 boys since 1880).
Popularity data: U.S. Social Security Administration baby name data, 1880β2025 (names given to 5+ babies per year). Origin and etymology text: Wiktionary, available under CC BY-SA 4.0.