Kate McGarrigle, Canadian musician and singer-songwriter (b. 1946)

Kate McGarrigle (February 6, 1946 – January 18, 2010) was a Canadian folk music singer-songwriter, who wrote and performed as a duo with her sister Anna McGarrigle.She is the mother of singers Rufus Wainwright and Martha Wainwright from her marriage to American singer-songwriter Loudon Wainwright III, which ended in divorce.