Attached is a listing of the landowners of Roscommon County, in 1871:

Surnames (A - Bo) Surnames (Br - Cl) Surnames (Co - De)   Surnames (Di - Fo)   Surnames (Fr - Gu)   Surnames (H - J)   Surnames (K)   Surnames (L)   Surnames (M - Ma)   Surnames (Me - Nu)   Surnames (O - Pl)   Surnames (Po - So)   Surnames (Sp - Tu)   Surnames (W - Y)

Demographics:  Roscommon in 1871 Population=141,246 Inhabited Houses… 25,792   Total for 575 Owners of Land of One Acre and upwards 577,933 0 / 10 290,623 / 0 Add for 132 Owners of Land of less than One Acre in extent 65 3 / 10 4,075 / 0 Grand Total for 707 Owners in the County 577,998 3 / 20 294,698 / 0 Estimated Extent of Waste Lands in the County 7,500 0 / 0