Figure 1. Orrery & Kilmore includes the northernmost point of County Cork.
Orrery & Kilmore is one of the baronies of north Cork, between Duhallow and Fermoy baronies, bordering Limerick.
This territory was occupied by the O'Keeffes, whose holdings once extended into the baronies of Fermoy and of Orrery & Kilmore. King James Irish Army List, p. 839, Art O'Keeffe. The Normans dispossessed them of their lands.
The 1659 census did not enumerate by household. However, surname frequencies were noted. Below is a list of the surnames found in [BARONY], in descending order of frequency.
| Surname(s) | Number | Surname(s) | Number |
|---|---|---|---|
| O Connell | 45 | Downegane | 15 |
| McTeige | 39 | McDermod | 14 |
| McShane | 35 | Walsh | 14 |
| Barry | 31 | O Fline | 12 |
| O Sullevane | 27 | McMahone | 12 |
| O Daly | 26 | Auliffe | 11 |
| O Connor | 24 | Carthy | 11 |
| O Sheghane | 23 | Brenagh | 10 |
| McDaniell | 22 | O Cronine | 10 |
| O Shea | 22 | O Hogane | 10 |
| McDonnogh | 19 | Power | 10 |
| Magner | 19 | Rierdane | 10 |
| O Leyne | 18 | McWm | 9 |
| Murphy | 18 | Fitzgerrald | 9 |
| Callaghane | 18 | O Hea | 9 |
| O Brien | 17 | McMorrish | 9 |
| McThomas | 15 |