Daoust Family History
Daoust Name Meaning
French:: nickname with fused preposition d(e) ‘of’ from Old French aoust ‘August’ by extension also ‘harvest’ (from Latin (mensis) Augustus from the name of the first Roman emperor; see Augustus ) for someone who was born in the month of August or who owed a feudal obligation to help with the harvest in that month or for a seasonal worker who hired himself out for the harvest. possibly also a patronymic with fused preposition d(e) ‘of’ from the personal name Aoust a regional form of Auguste . Compare Dault Doe and Dow .
Source: Dictionary of American Family Names 2nd edition, 2022