|Irish name||Máire Ní Sionoid|
|Taghmon and Oylegate-Glenbrien|
|All Stars||2004 Team of Century|
She played club Camogie with Taghmon and Oylegate-Glenbrien. She also holds two Gael Linn interprovincial medals and held her place on the Leinster team for ten years. In 1965 she was Wexford Player of the Year and received the Hall of Fame Award in 1980.
Her citation read "Tall and athletic, Mary was very confident on the ball, a fine catcher and striker, she was capable of turning defence into attack with one puck of the sliotar."
In Badminton she represented Ireland on 59 occasions, was voted Wexford Badminton Star in 1965 and again in 1988.