Meaning & Origin:
Mulholland is an Irish surname derived from the Gaelic “Ó Maolchalann,” meaning “descendant of Maolchalann.” The name Maolchalann translates to “devotee of Saint Calann.”

History & Notable People:
The Mulholland family originates from County Antrim, Northern Ireland, and is associated with religious devotion and community leadership. Notable individuals include William Mulholland, an engineer who played a key role in the water supply system of Los Angeles, and writer Rosa Mulholland.