Clancy was born in County Donegal, but educated at the King's Hospital School in Dublin.
[1] She made her international debut for Ireland at the 1983 Centenary Tournament in the Netherlands.
In late 1985, Clancy was selected for a tour of the West Indies.
[2] In one match against Trinidad and Tobago she dismissed two former West Indies internationals, Jasmine Sammy and Louise Browne, finishing with figures of 2/20 from seven overs.
[4] The following year, she was selected in the Irish squad for the 1988 World Cup in Australia, which was to be her last international tournament.