The surname St. Hilaire was first found in
, where they were formerly seated in the barony of Saint Hilaire de Sancto Hilario. The first of the name was James de Sancto Hilario who held the castle of St.Hilaire about the year 1100. James, who was the son of Harsculf de St.James who also held the castle of St.Hilaire, was the first to adopt the name of his castle for his surname. Saint Hilaire du Harcourt is in Manche in the arrondissement of Mortain, the canton of St. Hilaire du Harcourt.
This web page shows only a small excerpt of our St. Hilaire research.Another 132 words (9 lines of text) covering the years 1373, 1412, 1689 and 1770 are included under the topic Early St. Hilaire History in all our PDF Extended History products and printed products wherever possible.
of this family name include: St. Hilaire, Saint Hilaire, Hilaire, St-Hillaire, Saint-Hillaire, St-Hillier, Saint-Hillier, St-Hylaire, Saint-Hylaire, St-Hilary, Saint-Hilary, D'Hilaire and many more.