Gannon
Estate(s)
| Name | Description |
|---|---|
| Gannon | In the 1850s John P. Gannon, held land in the parishes of Dysart and Kiltoom, barony of Athlone, county Roscommon. In the 1870s Thomas Gannon of Lissygreaghan, parish of Kiltoom, owned 1,118 acres and Owen Gannon of Lissygreaghan owned 316 acres in county Roscommon. |