Reilly - Name Meaning and Origin

The boy's and girl's name Reilly \re(il)-ly\ is of Irish and Gaelic origin, and its meaning is "outgoing people". From a different root as the similar-sounding Riley.

Reilly has 1 variant form: Reilley.

Baby names that sound like Reilly are Risly and Rolly.

Reilly is a very rare male first name and a very popular surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the boy's name Reilly. Click here to compare Reilly with related baby names.