Drumsonnus (Irish: (Ridge of prosperity) is a townland in County Tyrone, Northern Ireland. It is situated in the historic barony of Omagh East and the civil parish of Kilskeery and covers an area of 391 acres.

The population of the townland declined during the 19th century:

Year 1841 1851 1861 1871 1881 1891 Population 224 178 136 105 99 108 Houses 41 33 26 23 19 17

The townland contains one Scheduled Historic Monument: a henge (grid ref: H2805 5380).

See also List of townlands of County Tyrone List of archaeological sites in County Tyrone

References