About Lionel Groulx Canon Lionel Groulx (1878-1967) was a Canadian Roman Catholic priest, historian and Quebec nationalist. Books by Lionel Groulx Iron Wedge/L'appel de la race by (author) Lionel Groulx Roland-Michel Barrin de La Galissoniere 1693-1756 by (author) Lionel Groulx Roland-Michel Barrin de La Galissoniere 1693-1756 by (author) Lionel Groulx