[3] McGuinness, who is left-footed, started playing women's football when she was 14 and was chosen by the Linfield secretary to join them.
[6] In July 2010, she made her debut for the senior Northern Ireland women's national football team in a 3–0 win over Estonia.
[12] She is among a small number of sportswomen who have played association football for Northern Ireland and GAA for Antrim.
[3] This differed from men's sport where there are traditionally sectarian divides between the historically majority Protestant association football and historically majority Roman Catholic GAA, which is no longer commonplace in women's sport in Northern Ireland.
This biographical article related to women's association football in Northern Ireland is a stub.