The squad will travel to Spain on Thursday for an intensive training camp.
Republic of Ireland head coach Heimir Hallgrimsson has included seven new faces in his squad for an upcoming training squad in Spain.
There are first call-ups for Benfica's Jaden Umeh, Jack Moylan of Lincoln City, and Leyton Orient goalkeeper Killian Cahill.
Hallgrimsson has also confirmed that Hibernian's Owen Elding has committed to playing for Ireland, despite reported interest from England.
Goalkeepers: Max O'Leary (West Bromwich Albion), Josh Keeley (Luton Town), Killian Cahill (Leyton Orient)
Defenders: Dara O'Shea (Ipswich Town), Eiran Cashin (Blackburn Rovers - loan), James Abankwah (Watford), Mark McGuinness (Sheffield United), Tayo Adaramola (Sheffield Wednesday - loan), Joel Bagan (Cardiff City).
Midfielders: Jayson Molumby (West Bromwich Albion), Jason Knight (Bristol City), Conor Coventry (Charlton Athletic), Andrew Moran (Preston North End).
Forwards: Adam Idah (Swansea City), Tom Cannon (Sheffield United), Chiedozie Ogbene (Sheffield United - loan), Kasey McAteer (Ipswich Town), Millenic Alli (Portsmouth), Jack Moylan (Lincoln City), Aidomo Emakhu (Oxford United), Jaden Umeh (Benfica).
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