People Ireland Gillian O'Sullivan peoplepill id: gillian-osullivanGO 5 views today 21 views this weekAthletics competitorGillian O'SullivanBiographyListsAlso ViewedListsGillian O'Sullivan is in following listsBy field of workNotable Irish athletesGender:Female, Born in:Years 1970 to 1999By work and/or countryNotable Irish AthletesGender:Female, Born in:Years 1970 to 1999From our partnersSponsoredGillian O'Sullivan