Per genealogy library reference book, the following individuals owned one acre or more of land in Co. Tyrone, Ireland the latter part of the 1870s:

1. Duke of Abercorn, address Baronscourt, Newtownstewart, owned 47,615 acres.
2. Thomas Acheson, address Glenglush, Tyfin, Castlederg, owned 65 acres.
3. Thomas Adair, Reps. of, address Greenvale, Cookstown, owned 80 acres.
4. James Adams, address Glebe, Artigarvan, Strabane,
owned 3 acres.
5. Mrs. Adams, address Carnkenny, Ardstrawbridge, Newtownstewart, owned 44 acres.
6. Randal Adams, address Danesfort, Longford, owned 147 acres.
7. Rebecca Adams, address Altdoghal, Newtownstewart,
owned 873 acres.
8. William Adams, address Strabane, owned 21 acres.
9. James Agnew, no address given, owned 257 acres.
10. William Aicken, address Beltany, Newtownstewart,
owned 20 acres.
11. George Aiken, address Bunderg, Newtownstewart,
owned 112 acres.
12. George Aiken, address Leitrim, Dunamanagh, owned 144 acres.
13. James Aiken, address Bunderg, Newtownstewart, owned 102 acres.
14. John Aiken, address Newtownstewart, owned 3 acres.
15. John Aiken, address Cabragh, Irvinestown, owned 233 acres.
16. John Aiken, address Pubble, Newtownstewart, owned 19 acres.
17. Mary Aiken, address Beltany, Newtownstewart, owned 15 acres.
18. Robert Aiken, address Leat, Dunamanagh, owned 52 acres.
19. Thomas H. Aiken, address Dungannon, owned 1 acre.
20. Miss Alcorn, Reps. of, address Drumardnagross, Trillick, owned 62 acres.
21. George Alexander, address Drumardnagross, Trillick, owned 48 acres.
22. James Alexander, address Fawney, Dunamanagh, owned 50 acres.
23. James Alexander, address Keenogue, Trillick, owned 37 acres.
24. James Alexander, address Drumardnagross, Trillick, owned 12 acres.
25. James B. Alexander, address Shamnullagh, Trillick, owned 37 acres.
26. Joseph Alexander, address Drumardnagross, Trillick, owned 72 acres.
27. Joseph Alexander, no address given, owned 1 acre.
28. Joseph Alexander, address Curly, Dromore, owned 26 acres.
29. Robert Alexander, address Altrest, Dunamanagh,
owned 56 acres.
30. Robert J. Alexander, address Portglenone, Co. Antrim, owned 1,769 acres.
31. Samuel Alexander, address Crew, Castlederg, owned 63 acres.
32. Thomas Alexander, address Dromore, owned 6 acres.
33. William Alexander, address Fawney, Dunamanagh,
owned 30 acres.
34. Thomas Allan, address Ardstraw-bridge, Newtownstewart, owned 34 acres.
35. James Allen, address Cookstown, owned 2 acres.
36. George Anderson, address Letterbrat, Plumbbridge, owned 17 acres.
37. James Anderson, address Tivenny, Newtownstewart,
owned 41 acres.
38. John Anderson, address Letterbrat, Plumbbridge,
owned 21 acres.
39. Joseph Anderson, address Killymenagh, Stewartstown, owned 14 acres.
40. Robert Anderson, address Brackagh, Irvinestown,
owned 92 acres.
41. Samuel Anderson, address Carrowcolman, Eglish, owned 2 acres.
42. Samuel Anderson, address Doorless, Cookstown, owned 29 acres.
43. Samuel Anderson, address Landahussy, Plumbbridge, owned 2 acres.
44. William Anderson, address Shivey, Sandholes, owned 17 acres.
45. Alexander Arbuckle, address Rousky, Dunamanagh, owned 14 acres.
46. James Arbuckle, junior, address Rousky, Dunamanagh, owned 27 acres.
47. John Arbuckle, address Rousky, Dunamanagh, owned 21 acres.
48. Mervyn Archdale, address Archdale, Lisnanick, owned 5,605 acres.