| "250 Years and More": a short account of the history of St. Mary's Church (Church of Ireland), Navan | Ellison, C. C. | Monograph or Collective Volume | [St Mary's Parish] | 1968 |
| Bishop Dopping's visitation book, 1682-5 | Ellison, C. C. | Article in Journal | | 1975 |
| Bishop Dopping's visitation book, 1682-85 | | Article in Journal | | 1975 |
| Brennan Farm Accounts 1840-1880 | Ellison, C. C. | Article in Journal | | 1976 |
| Dangan, Mornington and the Wellesleys : notes on the rise and fall of a great Meath estate, part 4 | Ellison, C. C. | Article in Journal | | 1967 |
| Early 19th century lists of Protestant parishioners in the diocese of Meath | Ellison, C. C. | Article in Journal | | 1973 |
| Extracts from the vestry parish book and registers of Kilbeggan, Co. Westmeath | Ellison, C. C. | Article in Journal | | 1977 |
| Going of Munster | Ellison, C. C. | Article in Journal | | 1977 |
| Materials for the Dublin agricultural society of Co. Louth | | Article in Journal | | 1975 |
| Remembering Dr Beaufort | Ellison, C. C. | Article in Journal | | 1975 |
| Richard Butler - historian of Trim | Ellison, C. C. | Article in Journal | | 1964 |
| Some aspects of Navan history | Ellison, C. C. | Article in Journal | | 1963 |
| The hopeful traveller : the life and times of Daniel Augustus Beaufort LL.D. 1739-1821 | Ellison, C. C. | Monograph or Collective Volume | Boethius Press | 1987 |
| The waters of the Boyne and Blackwater : a scenic and industrial miscellany | Ellison, C. C. | Monograph or Collective Volume | Blackwater | 1983 |