Anna Geary lifted the O'Duffy Cup, following a 2-12 to 1-9 win over Kilkenny at Croke Park.
Jenny O'Leary and Angela Walsh got the crucial goals for Cork.
It's Cork's first All Ireland since 2009, while Kilkenny – who also lost last year's final – continue their 20-year wait for an All Ireland.
Limerick claimed the Intermediate title, also beating Kilkenny, by 1-12 to 0-10.
Down came from behind to win the Junior title, beating Laois 1-12 to 1-8.
