Bastarache Family History
Bastarache Name Meaning
Altered form of Basque (southwestern France) Basterretche itself a Frenchified form of a topographic name for someone who lived in a house by a boundary or on the edge of a settlement or the corner of a street from Basque bazter ‘corner border edge’ + etxe ‘house’. In Spain the surname is found in the Castilianized form Basterreche.
Source: Dictionary of American Family Names 2nd edition, 2022