Meaning: Its source is Raghallach, an Irish Gaelic name meaning "Outgoing people."

Origin: "Raghallach."

Source Forms: Raghallach

Popularity: The name Reilly ranked 873rd in popularity for males of all ages in a sample of 2000-2003 Social Security Administration statistics.

Narrative: This should not be confused with the sound-alike name Riley, which is derived from an Old English expression meaning ''rye clearing.''

Meaning: Its source is ryge leah, an Old English name meaning "Rye clearing."

Origin: "ryge leah."

Popularity: The name Reilly ranked 823rd in popularity for females of all ages in a sample of 2000-2003 Social Security Administration statistics.

Narrative: This should be distinguished from the sound-alike name Reilly, derived from the Gaelic Raghallach, meaning ''outgoing people.''