Ygritte is a major character in the third and fourth seasons, played by Rose Leslie . She initially appeared as a recurring character in the second season and debuted in " The Old Gods and the New ". Ygritte is a woman of the Free Folk who lives north of the Wall . She is part of Mance Rayder's army and becomes the lover of Jon Snow .
Ygritte is eighteen when she is first introduced, and is described as short for her age, skinny but well-muscled, with a round face, small hands, a pug nose, crooked white teeth, and blue-grey eyes that are too far apart. Her most distinctive feature was her fiery red hair. The wildlings consider red hair to be lucky and describe those with it as having been " kissed by fire ." 
Ygritte is a fictional character in the A Song of Ice and Fire series of fantasy novels by American author George R. R. Martin , and its television adaptation Game of Thrones .