Inhabitants of Kilcavan in the 1839 census
compiled by Joseph Kenny, Omaha
| Surname | 1st name | Age | AgeWife | M child | F child | Servant | Occup. | Comments |
| Byrne | James | 54 | 45 | 3 | farmer | |||
| Byrne | Nancy | 42 | 2 | |||||
| Byrne | James | 40 | 38 | 1 | 5 | farmer | ||
| Byrne | Michael | 30 | 30 | 1 | 1 | farmer | ||
| Kavanagh | Felix | 30 | 27 | lab. | ||||
| Byrne | Matthew | 36 | 28 | farmer/lab. | ||||
| Hagerty | John | 36 | 26 | 1 | 3 | lab. | ||
| Byrne | Michael | 36 | 36 | 3 | 1 | farmer | ||
| Kenny | John | 55 | 36 | 1 | lab. | |||
| Byrne | Widow | 69 | 1 | |||||
| Collins | Thos. | 55 | 50 | 2 | 3 | farmer | ||
| Collins | John | 60 | 48 | 4 | 5 | farmer | ||
| Collins | Widow | 50 | 6 | 6 | farmer | |||
| Doran | Mrs. Thos | 70 | 2 | 1 | ||||
| Doran | Patrick | 26 | 24 | 2 | 2 | farmer | ||
| Free | Thos. | 68 | 55 | 2 | 2 | farmer | ||
| Hickey | Peter | 70 | 3 | 3 | farmer | |||
| Kenny | Barth. | 52 | 50 | 4 | 1 | farmer and quarryman | ||
| Brennan | James | 36 | 30 | 1 | 3 | lab. | ||
| Kenny | Elizabeth | 68 | maid | |||||
| Kenny | Richard | 36 | 24 | 1 | 3 | farmer | ||
| Kenny | Philip | 34 | 32 | 1 | 3 | lab. | ||
| Balf | Edward | |||||||
| Balf | Thos. | 36 | 28 | 3 | lab/farmer | |||
| Handrick | Michael | 54 | 50 | |||||
| Kenny | Widow | 70 | 1 | |||||
| 3 | ||||||||
| Kenny | Maurice | 36 | 39 | 1 | 1 | farmer | ||
| Byrne | Michael | 35 | 30 | 1 | 2 | farmer | ||
| Clare | Thos. | 40 | 40 | 3 | 2 | farmer | ||
| Clare | John | 90 | ||||||
| Byrne | James | 45 | 40 | 3 | 2 | farmer | ||
| Keoghoe | Michael | 80 | ||||||
| Keoghoe | John | 52 | 42 | 5 | 6 | farmer | ||
| Keoghoe | James | 50 | 44 | farmer | ||||
| Keoghoe | Mary | 76 | *Martin Mullery | |||||
| Murphy | Francis | 26 | 22 | 1 | farmer | |||
| Cuff | Patrick | 21 | 21 | 1 | lab. | |||
| Cuff | James | 29 | 30 | 2 | 1 | lab. | ||
| Kelly | Wm. | 34 | 32 | 1 | lab. | |||
| Cuff | Thos. | 25 | 24 | 1 | 1 | lab. | ||
| Carney | James | 36 | 49 | 1 | lab. | |||
| Page | John | 60 | 6 | farmer | ||||
| Scott | Thos. | 80 | b'smith | |||||
| Page | Joseph | 50 | 40 | 4 | 4 | 4 | farmer | |
| Tomkin | James | 46 | 30 | 1 | 1 | farmer | ||
| Roarke | John | 75 | dead | 1 | caretaker | |||
| Roarke | Arthur | 30 | 23 | lab. | ||||
| Taylor | Ralph | 70 | dead | 1 | 1 | 4 | farmer | |
| Synnott | John | 36 | 28 | 3 | lab. | |||
| Doyle | John | 51 | 30 | 2 | 2 | lab. | ||
| Murphy | Martin | 37 | 40 | 3 | 2 | lab. | ||
| Murphy | John | 28 | mother 65 | lab. | ||||