Keller (surname)

Keller is a surname that in most cases is of German origin. In modern German Keller means cellar or basement but historically it designates a cellarer or winemaker. A Latinized form of "Keller" is "Cellarius".

Keller my also be the Anglicized version of the Old Gaelic surname Ó Céilechair (meaning descendant of Céilechair). Céilechair was descended from Cennétig mac Lorcáin King of the Dál gCais in modern-day Clare, which was at that time the Gaelic Kingdom of Thomond. 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:

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