Reilly as a girl's name (also used as boy's name Reilly), is a variant of Riley (Irish, Gaelic), and the meaning of Reilly is "courageous".
Popularity Trend Chart
Roll over the visual for detailed rankings by year.
Source: Social Security Administration
Not sure you have the perfect name? Search to add more baby names to your My Favorites list.
Article saved.Go to My Saved Articles
Name added. View Your List