^Berrett was born in Halifax, England, but also qualified to represent the Republic of Ireland internationally and represented the Republic of Ireland at U-18, U-19 and U-21 level.
^Dudgeon was born in Leeds, England, but also qualified to represent Northern Ireland internationally and represented Northern Ireland at U-21 level.
^McKenna was born in Burnley, England, but also qualified to represent Northern Ireland internationally and represented Northern Ireland at U-17, U-18, and U-19 level.
^Kane was born in Belfast, Northern Ireland, and represented Northern Ireland at U-21 level, but also qualified to represent the Republic of Ireland internationally and represented the Republic of Ireland at U-21 level.
^Chester was born in Warrington, England, but also qualified to represent Wales internationally through his mother and made his international debut for Wales in June 2014.
^Cooper was born in Kingston upon Hull, England, but also qualified to represent Scotland internationally through his paternal grandfather and represented Scotland at U-17 and U-19 level before making his international debut for Scotland in September 2019.
^Norwood was born in Burnley, England, and represented England at U-16 and U-17 level, but also qualified to represent Northern Ireland internationally and represented Northern Ireland at U-19, U-21 and B level before making his international debut for Northern Ireland in August 2010.
^Arter was born in Bexley, England, but also qualified to represent the Republic of Ireland internationally through his grandparents and represented the Republic of Ireland at U-17 and U-19 level before making his international debut for the Republic of Ireland in March 2015.