Finnegan ranks #517 with 238 entries, registered male. The name carries a specific Irish-American register — a full surname-style pick with literary weight (James Joyce's Finnegans Wake, 1939) and the warm-rascal energy that the diminutive Finn carries forward. Owners are usually picking the long form deliberately.
The Irish-American register
Finnegan clusters with Finn, Murphy, Riley, and Kelly in the Irish-pet-naming cohort. The full Finnegan reads as a small upgrade from the casual Finn — owners who pick the long version are usually signaling a slight preference for ceremonial pet names, the same instinct behind Charles over Charlie.
Breed lean and sound fit
Three syllables (FIN-uh-gun), front-stressed, with a soft trailing schwa. The name lands disproportionately on shaggy Irish-coded breeds — Irish Setters, Wheaten Terriers, Soft-Coated Wheaten mixes, and red-coated rescue mixes. There's also a meaningful cluster on Labradors and Golden mixes where the Irish reference is loose but the warm sound fits.
The literary counter-reading
A small subset of owners reach Finnegan through Joyce's novel rather than the Irish-cultural register, particularly bookish owners who want a literary-weighty name without going full Hemingway. The reading is quieter but real. The Finnegan baby name page shows the SSA chart climbing through the 2010s as the broader Irish-name baby wave consolidated.
Owners reaching for Finnegan often have personal Irish heritage or live in regions with strong Irish-American cultural presence. The name signals affiliation without being so on-the-nose as Murphy or Paddy, which gives it room to breathe.