About the St-Mars surname
The surname St-Mars has a primarily toponymic formation. The structure of the surname suggests a locational or toponymic formation linked to a place, estate, or landscape feature. In this type of surname, the name first located a person in relation to a place before becoming hereditary. The Saint, Sainte, St, or Ste construction in St-Mars places the surname among forms often associated with French place-names or devotional naming traditions. In the normalization used for some LAFRANCE searches, the surname is also matched through the form “stmars”; this search variant can be useful when accents, spaces, or punctuation differ.
Pronunciation:
Sin-mars/sɛ̃maʁs/