The Connacht Landed Estates project, funded by the Irish Council for Research in the Humanities and Social Sciences, under its Thematic Projects (Research Infrastructure) Grants, undertook the research for, and the publication of, a comprehensive and integrated resource guide to landed estates and gentry houses in Connacht, c. 1700-1914. The aim of the guide is to assist and support researchers working on the social, economic, political and cultural history of Connacht from c.1700 to 1914.

The project involved the distillation and collation of data from a broad range of historical sources, and the concise codification of these data on an estate/name basis. The optimum use of the data determined that the database be published in electronic form. Full details of the sources used can be viewed under Reference Sources in the database. See the Help link for further details on the creation of the database.

The Project was hosted by the Moore Institute for Research in the Humanities and Social Sciences at the National University of Ireland, Galway.