Tomlagh () is an early-modern Irish

district A district is a type of administrative division that in some countries is managed by the local government. Across the world, areas known as "districts" vary greatly in size, spanning regions or county, counties, several municipality, municip ...

in what is now southern

County Londonderry County Londonderry (Ulster Scots dialects, Ulster-Scots: ''Coontie Lunnonderrie''), also known as County Derry (), is one of the six Counties of Northern Ireland, counties of Northern Ireland, one of the thirty-two Counties of Ireland, count ...

Northern Ireland Northern Ireland ( ; ) is a Countries of the United Kingdom, part of the United Kingdom in the north-east of the island of Ireland. It has been #Descriptions, variously described as a country, province or region. Northern Ireland shares Repub ...

. Along with the ancient districts of

Clandonnell Clandonnell () is an early-modern Irish district in what is now southern County Londonderry, Northern Ireland. Clandonnell along with the ancient districts of Glenconkeyne, Killetra, and Tomlagh, comprised the former barony of Loughinsholin, w ...

Glenconkeyne Glenconkeyne () is an early-modern Irish district in what is now southern County Londonderry in Northern Ireland. Glenconkeyne formed the western portion of the former barony of Loughinsholin in Mid Ulster, with the ancient districts of Clandon ...

, and

Killetra Killetra () is an early-modern Irish district in what is now southern County Londonderry, Northern Ireland. Killetra along with the ancient districts of Clandonnell, Glenconkeyne, and Tomlagh, comprised the former barony of Loughinsholin Lo ...

, it comprised the former barony of

Loughinsholin Loughinsholin () is a barony in County Londonderry, Northern Ireland. Its southeast borders the northwest shore of Lough Neagh, and itself is bordered by seven other baronies: Dungannon Upper to the south; Strabane Upper to the west; Keenaght ...

. Tomlagh is stated as forming a four-or-five-mile-wide district running from Portglenone to Lough Beg. The townland of Annaghmore, near

Castledawson Castledawson is a village in County Londonderry, Northern Ireland. It is mostly within the townland of Shanemullagh (, IPA: �anˠˈʃanˠˌwʊl̪ˠəx, about four miles from the north-western shore of Lough Neagh, and near the market town of Mag ...

is mentioned in Bodley's map from 1609 as lying within Tomlagh.

Etymology

The name Tomlagh is believed to be derived from the Irish word ''Tamhnach'', meaning field. This in turn is claimed to derive from ''Tamnach Ui Fhuradhrain'', named after the descendants of Furudran, son Beic (one of the

Three Collas The Three Collas (Modern Irish: ''Trí Cholla'') were, according to medieval Irish legend and historical tradition, the fourth-century sons of Eochaid Doimlén, son of Cairbre Lifechair. Their names were: Cairell Colla Uais; Muiredach Colla Fo Chr ...

References

Barony of Loughinsholin History of County Londonderry {{Londonderry-geo-stub