Paddy ranks 1927 in the pet registry with 52 male animals. It's the Irish English diminutive of Patrick — from Latin Patricius, meaning nobleman — and carries a warmth that is specifically Irish in its flavor. In American pet naming, Paddy often signals Irish heritage pride, a St. Patrick's Day puppy, or simply an affection for the Irish naming aesthetic.
The Irish Diminutive Tradition
Irish naming culture has produced some of the warmest diminutives in English: Paddy, Maggie, Molly, Brigid. Paddy specifically carries the ease and familiarity of a name you'd use for someone you know well — it's not how you'd introduce Patrick at a job interview, it's what his mother calls him. On a dog, that intimacy is a feature. Irish Setters wear Paddy with obvious breed-coherence; Irish Terriers are the thematic match.
The St. Patrick's Day Puppy
A non-trivial number of dogs named Paddy arrived in their families around March 17th. That's a charming origin story, and the name carries the holiday's association with luck, green hills, and general jolliness. The human name Patrick is in steady SSA use; Paddy appears as a pet name far more than as a human first name in American records.
The Counter-Reading: Ethnic Stereotype Awareness
Paddy has a complex history as a term used disparagingly for Irish people. In pet naming, the diminutive-of-Patrick reading is overwhelmingly dominant, and the name is freely used within Irish communities as a warm self-reference. Browse Irish-heritage pet names for the full register.