Alan Coomey
Alan Coomey( born 25 June 1984) is a Gaelic footballer and Australian rules footballer
Micheál Schlingermann
Micheál Schlingermann( born 23 June 1991) is an Irish professional footballer and a Gaelic footballer for Mayo.
Fergal Bradshaw
Fergal Bradshaw is a former Dublin minor Gaelic footballer and an Australian rules footballer.
Emmanuel Arowolo
Olawunmi Emmanuel Arowolo( born 7 August 1997) is a Nigerian sprinter.
He competed at the 2018 Commonwealth Games in the 200 metres and 4x100 metres relay.
He was a member of the Nigerian team that qualified for the final only to suffer disqualification.
In 2018, he competed at the African Championships in Asaba and won a silver medal in the 4×100 metres relay.
In 2019, he was a member of the Nigerian relay team that won a silver medal in the 2019 African Games.
Emmanuel Arowolo gained his first experience in international competitions at the 2016 U20 World Championships in Bydgoszcz, Poland, where he dropped out over 200 meters with 21.16 seconds in the semifinals, as well as with the Nigerian 4 x 100 metres relay.
John Lack O'Sullivan
John Lack O'Sullivan( 1976–19 November 2002) was a Gaelic footballer and Australian rules footballer.
Eoin O'Mahony (Gaelic footballer)
Eoin O'Mahony( born 1962) is an Irish retired Gaelic footballer who played as a centre- forward for the Cork senior team.
O'Mahony joined the team during the 1981 championship and was a regular on the starting fifteen until his retirement after the 1989 championship.
During that time, he won one Munster medal and one National Football League medal.
At club level, he was a one- time county club championship medalist with Clonakilty.
Derek Mulligan
Derek Mulligan is a former Westmeath junior Gaelic footballer and an Australian rules footballer.
David Stynes
David Stynes is a former Dublin Gaelic footballer and Australian rules footballer.
Donal Boylan
Donal Boylan is a former Derry GAA Gaelic footballer and Australian rules footballer.
Emily Whelan
Emily Whelan( born 22 August 2002) is an Irish footballer and former Gaelic Footballer.

Question: Were Eoin O'Mahony (Gaelic Footballer) and Emmanuel Arowolo of the same nationality?
Answer: no