Keogh was again considered the first choice centre back at the club by Clough ahead of the Republic of Ireland under-21s in 2005, and made eight appearances in total for them over a three-year period.
Keogh was again considered the first choice centre back at the club by Clough ahead of the 2013--14 season. Keogh made his debut for Republic of Ireland under-21s in 2005, and made eight appearances in total for them over a three-year period.