Was in a relationship with actress Keira Knightley from 2003 to 2005. They met on the set of an Asprey photo shoot in 2003.
Played a serious level of rugby in his native Northern Ireland.
Was a Calvin Klein model.
Actress Greer Garson was his grandmother's first cousin, making Greer and Jamie first cousins, twice removed.
Has one child, a daughter named Dulcie who was born in late November of 2013.