Marie Connell got three goals for Dublin, Joan Gormley two and Barbara Redmond the sixth.
Tipperary had a two-minute lead with three minutes to go when Nancy Griffin sealed their place in the final.
[7] Their first goal came from right full back Germaine Noonan in the 13th minute when her long shot was let drop through the fingers of Tipperary goalkeeper Breda Kennedy.
Sean Kilfeather wrote in the Irish Times: With the wind behind them Dulbi started strongly and, driving the ball great distances, they kept Tipperary under a constant barrage in the early part of the game.
Tipperary kept their heads under pressure, however, and might have taken the lead but for a splendid save by the Dublin goalkeeper Yvonne Redmond from a shot by Deirdre Lane.