Keller (surname)

Keller is a surname with several origins. The Irish version, which is the most ancient in origin, comes from the Gaelic surname Ó Ceilechair. In modern German Keller means cellar or basement, but historically it designates a cellarer or winemaker. A Latinized form of "Keller" is "Cellarius".
Keller is an Anglicized version of the Old Irish surname Ó Céilechair (meaning descendant of Céilechar). Céilechair was descended from Cennétig mac Lorcáin King of the Dál gCais in modern-day Clare. Cennétig mac Lorcáin was the ancestor and progenitor of the Keller family, and also of the Kennedys and O'Briens of Munster.
The Anglicized surname in Ireland has many different spellings including: O'Kelleher, Kelaher, Kelliher, Kellar, Keller, McKeller, MacKeller, and O'Keller.
People whose surname is or was Keller include: