Meaning & Origin
A diminutive of the female given name Patricia.
Pat is a unisex baby name of Latin origin, most commonly a diminutive of Patricia (for girls) or Patrick (for boys), both rooted in the Latin patricius, meaning 'noble, patrician.' It was a go-to nickname throughout the mid-20th century.
Simple and no-nonsense, Pat has an unpretentious quality that suited the postwar American ethos. While less common as a standalone name today, it endures as a friendly shortening for both Patricias and Patricks.