[2] Sherlock completed a master's degree in Queen's University Belfast and qualified as a solicitor.
[2] As deputy chairperson of the Pro Life Campaign she has written articles in national newspapers, and appeared on radio and TV on the abortion debate in Ireland.
She was opposed to the Citizens Assembly,[10] and has spoken in favour of keeping the Eighth Amendment on newspaper,[11] radio,[12][13][14][15] and TV.
During the 2018 referendum to repeal the eighth amendment, there was controversy when the Pro-Life Campaign wished to remove Sherlock from the RTÉ televised debate with Minister Simon Harris, in favour of Maria Steen.
[18][19] RTÉ refused to agree to the proposed change, and instead, Peadar Toibin TD was asked to debate on behalf of the Pro-Life side.