Proud or descendant of the proud
Derived from the Irish surname Ó Díomasaigh, which comes from the word 'díomasach', meaning proud or haughty. Historically associated with a powerful clan in the Irish midlands, it has transitioned into a distinctive given name.
About 44 girls were named Dempsey in 2025.
Heavyweight boxing champion known as the Manassa Mauler
American actor known for Grey's Anatomy
Professional soccer player and former US national team captain
Canadian actor
US births per 5-year period, 1990–present (SSA data).