St.%20hilaire Family History
St.%20hilaire Name Meaning
French (mainly southwestern; Saint-Hilaire): habitational name from any of several places in France called Saint-Hilaire (from the dedication of their churches to Saint Hilarius) or a nickname with the prefix Saint as an (ironic) attachment to the personal name or surname Hilaire . Compare Sainthilaire . Haitian (also Saint-Hilaire): from Saint-Hilaire a nickname ornamental name or personal name composed of the French prefix Saint and the personal name Hilaire or perhaps a habitational name from a place in Haiti called Saint-Hilaire (compare 1 above). This surname is also found in the Dominican Republic where it may (also) originate from France.
Source: Dictionary of American Family Names 2nd edition, 2022