He served as a commander at Carrickfergus during a Protestant uprising against King James, and on the side of Jacobites in subsequent conflicts.
While many of the replacement officers were inexperienced, Mark was part of a group of veterans of continental warfare that included Lawrence Dempsey and Patrick Sarsfield.
Talbot was appointed to command at Carrickfergus when a major rebellion broke out amongst Irish Protestants against King James' rule.
[2] Following the Treaty of Limerick he was part of the Flight of the Wild Geese who went into exile on the Continent, serving with the Irish forces of the French Army.
[2] Shortly afterwards Talbot ran into trouble due to his romantic involvement with Henrietta FitzJames, the widowed daughter of King James.