[2] It was with this club that Duffy first tasted success, and she later won five Dublin county camogie titles.
It was a golden era for Dublin camogie,[3] and Duffy won seven All-Ireland medals in-a-row, beginning in her debut year.
Three years later in 1954 Duffy was the Leinster goalkeeper when the first inter-provincial game was played in Navan to mark the Golden Jubilee of Cumann Camogaíochta na nGael in 1954.
In 1956 Antrim brought an end to Dublin's camogie dominance, however, "the Dubs" returned in 1957 with Duffy as captain.
[5][6] Her citation read: "quick to react between the posts, sure and confident, she had a great understanding with her backs, her lengthy clearance and long puck out were other features of her game.