1901 DED	1901 Townland	1911 Townland	1911 DED	Barony	Parish	Union
Letterbrick	Coolnabinnia	Coolnabinnia	Letterbrick
Letterbrick	Derreen	Derreen	Letterbrick
Letterbrick	Derryhillagh	Derryhillagh	Letterbrick
Letterbrick	Glenagort	Glenagort	Letterbrick	Tirawley	Crossmolina	Ballina
Letterbrick	Knockanbaun	Knockaunbaun	Letterbrick	Tirawley	Crossmolina	Ballina
Letterbrick	Letterbrick	Letterbrick	Letterbrick	Tirawley	Crossmolina	Ballina
Letterbrick	Letterneevoge	Letterneevogue	Letterbrick	Tirawley	Crossmolina	Ballina
Letterbrick	Srahyconigaun	Shrahyconigaun	Letterbrick	Tirawley	Crossmolina	Ballina
Letterbrick	Tawnakeel	Townakeel	Letterbrick	Tirawley	Crossmolina	Ballina
Letterbrick	Tristia	Tristia	Letterbrick