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 counties, several municipalities, subdivisions o ...

in what is now southern

County Londonderry County Londonderry ( Ulster-Scots: ''Coontie Lunnonderrie''), also known as County Derry ( ga, Contae Dhoire), is one of the six counties of Northern Ireland, one of the thirty two counties of Ireland and one of the nine counties of Ulster. B ...

Northern Ireland Northern Ireland ( ga, Tuaisceart Éireann ; sco, label= Ulster-Scots, Norlin Airlann) is a part of the United Kingdom, situated in the north-east of the island of Ireland, that is variously described as a country, province or region. Nort ...

. 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, with ...

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

, 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, with Kil ...

, 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 Portglenone (from ga, Port Chluain Eoghain , meaning 'landing place of Eoghan's meadow') is a village and civil parish in County Antrim, Northern Ireland. It lies 8.5 miles (14 km) west of Ballymena. It had a population of 1,174 people in t ...

Lough Beg Lough Beg () is a small freshwater lake north of Lough Neagh in Northern Ireland. The lake is located on the border between County Londonderry and County Antrim. The Lower Bann flows into it from Lough Neagh at the southern end and continues o ...

. 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 Irish may refer to: Common meanings * Someone or something of, from, or related to: ** Ireland, an island situated off the north-western coast of continental Europe ***Éire, Irish language name for the isle ** Northern Ireland, a constituent unit ...

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 Chrí ( ...

References

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