Reilly
A unisex name of Irish origin, meaning descendant of Raghallaigh; valiant or brave.
Babies a year
139
the US, 2017
Rarity
Rare
among names in use
US popularity
—
outside the top 1000
UK popularity
#3684
5 babies
In 2025, 5 babies in England and Wales were named Reilly. In the US, 139 were, though that figure is from 2017 — the most recent full year we hold. Its US peak was 379 in 1998.
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