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- Reilly - Last Name Meaning & Origin
Reilly
- Used in: 3 countries
Origin: Irish
From Irish Ó Raghallaigh, a surname meaning "descendants of Raghallach".
Etymology: Wiktionary (CC-BY-SA)
Name Variants & Related
Popularity by Country
Reilly
Rank #99
Popularity Over Time (Scotland)
Reilly
Rank #780
Frequency
40,310 people (14.94 per 100k)
Ethnic Distribution
White 96.07% Hispanic 1.66% Black 0.56% Asian/PI 0.54% Native Am. 0.14% Two+ 1.04%
Similar Names to Reilly
Last names that start with R, sorted by popularity.