Glenn in Scail: a place in Dalaraide, East Ulster
Glenn na Samaisce: in Slieve Gullion, in the County Armagh
Glenn Tail: another name for Belat Aileain
Gleoir: the Glore, a river in Conalle Murthemni
Gluine Gabur: east of the Shannon, in the County Longford
Gort Slane: north of Slane and south-west of Druim Liccè
Grellach Bobulge: at Dunseverick, in Ulster
Grellach Dolar (or Dolluid): Girley, near Kells, in the County Meath
Gualu Mulchi: the town-land of Drumgoolestown on the river Dee, in the County Louth
Ialla Ilgremma: near Sliab Betha and Mag Dula