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By Grace Royal · Oct 2026

O'reilly

OriginIrish
Meaning"son of the courageous one"
US RankUnranked

Below 5 births

About O'reilly

Reilly and Riley are hugely popular, but O'Reilly is still an up-and-comer.

Pronounced o-RY-lee.

O'reilly on lists

Cool Names with a Strong O
Irish Last Names (With Meanings and Popularity)
8 Letter Boy Names
Names Ending in Y for Boys
Names That Mean Son
Names That Mean Courageous
Three Syllable Names for Boys
Boy Dog Names That Start With O
Dog Names That Start With O
Names that end in y
Boys Names That Start With O

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