Dempsy

Dempsy is a masculine name of Irish origin, derived from the Gaelic surname Ó Díomasaigh, meaning 'proud' or 'arrogant'. It's closely related to the more common spelling Dempsey. The name carries strong Irish cultural associations and evokes a sense of strength and resilience. While not among the most popular first names, Dempsy gained some recognition through association with legendary boxer Jack Dempsey. As a first name, it has remained relatively rare, appealing to parents seeking an uncommon Irish-heritage name with a bold sound. The name has a robust, masculine quality with its strong consonants and distinctive ending.

Pronounced DEMP-see.

As of October 2026, Dempsy ranked #2810 in US births in 1945 SSA, peaked at #2081 in 1919.