Dark-haired chieftain or dark-complexioned
Derived from the Irish surname Ó Donndubháin, it is composed of the elements 'donn' meaning brown or dark and 'dubh' meaning black, combined with a diminutive suffix. It historically denoted a leader or chieftain of a specific clan in County Limerick.
American middle-distance runner and world champion
Professional baseball player and top draft pick
US births per 5-year period, 1990–present (SSA data).
