What is "casgrain"

Casgrain is a French Canadian surname. Notable people with the surname include:

• Charles Eusèbe Casgrain, Ontario physician and political figure
• Charles-Eusèbe Casgrain, lawyer and political figure in Lower Canada
• Henri-Raymond Casgrain, French Canadian Roman Catholic priest, author, and publisher
• Joseph Philippe Baby Casgrain, Quebec surveyor, civil engineer and political figure
• Léon Casgrain, Canadian politician
• Philippe Baby Casgrain, Quebec lawyer, author and political figure
• Pierre-François Casgrain, Canadian politician and Speaker of the Canadian House of Commons
• Thérèse Casgrain, feminist, reformer, politician and senator