| Source | Date | Location |
| Book of Survey and Distribution | 1641 | NL Ms 972 |
| Pender's 'Census. | 1659 | NL Ir 31041 c 4 |
| Hearth Money Roll, parishes of Killenny and Moyanna. National Archives. | 1664 | Thrift Abstracts 3337 |
| Hearth Money Roll,baronies of Maryborough and Upper Ossory. National Archives. | 1668-1669 | Thrift Abstracts 3738 |
| Freeholders; Co. Kildare Archaeological Society Journal, Vol VIII, pp 309-27. | 1758-1775 | |
| Parish of Lea. | 1766 | RCB Library |
| Mountrath; Nineteenth century census returns | 1821 | National Archives |
| Tithe Books, Householder's Index | 1823-38 | FHLC 919005 |
| Owners and occupiers, Lea parish; | 1832,1840 | NL Ms 4723 4 |
| Register of Arms, Baronies of Upper Ossory, Maryborough, Cullenagh. 433 names | 1844 | |
| Voters' List. | 1847 | NL ILB O4 P12 |
| Griffith's Valuation | 1850-1851 | |
| Census | 1901 | |
| Census | 1911 | |