| A bibliography | Marshall, John J. | Article in Journal | | 1971 |
| A community in competition : the barons of Leinster in thirteenth-century Ireland | Marshall, John | Article in Journal | | 2023 |
| Annals of Aughnacloy and of the parish of Carnteel, co. Tyrone | Marshall, John J | Monograph or Collective Volume | Tyrone Printing Co. | 1920 |
| Clochar na Righ (Clogher of the Kings): being a history of the Town and District of Clogher, in the County of Tyrone. Also some account of the Parish of Errigal Keeroge, in the County of Tyrone, and of the Parish of Errigal Truagh in the County of Monaghan | Marshall, John J. | Monograph or Collective Volume | Tyrone Printing Co. | 1930 |
| History of the Parish of Tynan in the County of Armagh: with notices of the O'Neill, Hovenden, Stronge and other families connected with the district | Marshall, John J. | Monograph or Collective Volume | Tyrone Printing Co. | 1932 |
| The Marshal partition of 1247 : a medieval text’s journey through early modern Ireland* | Marshall, John | Article in Journal | | 2025 |
| The pope, a knight and a bishop on the edge of Christendom : the politics of exclusion in thirteenth-century Ireland | Marshall, John | Article in Journal | | 2023 |
| The remnants of William Marshal's lordship in Leinster today | Marshall, John | Article in Journal | | 2021 |
| Using a partition to analyse transnational settlement : the case of the Marshal inheritance, c. 1247 | Marshall, John | Article in Book | | 2024 |
| Vestry Book of the Parish of Aghalow (Caledon Co. Tyrone) with an account of the family of Hamilton of Caledon 1691-1807 | Marshall, John J. | Monograph or Collective Volume | Tyrone Printing Co. | 1935 |