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Blackwater, River, County Tyrone/Armagh



Rises N of FivemiletowninCo. Tyrone. Enters Lough Neagh at Maghery in Co. Armagh.

The Ir. name of the river was An Abhainn Mhór [an owen wore] ‘the great river’, which, curiously enough, is also the Ir. name of the river BLACKWATER in Cork. An earlier Ir. name for the Blackwater was An Dabhall [an daual] ‘the water’. Part of its course forms the boundary between Cos Tyrone and Monaghan andlater between Tyrone and Armagh. Another Blackwater rises in Co. Monaghan close to Slieve Beagh and (under the name COR RIVER) joins this Blackwater 2km south of Caledon in Co Armagh [for brú Abhann Móire 1483].


Additional Information

Historical name form

Old FormRef. DateReference
(?)the Great or Blackwater1566JRSAI vol.1, pt.1 (1870)
Great water1576Nowel's Ire. (1)
the Blackwater1586Bagenal's Descr. Ulst. 150
Blackewater, the Forte at the1587O Neill Country Maps 15
More vel Magnus flu1595Mercator's Ulst.
Blackwater Flu1599Boazio's Map (BM)
Blackwater, The1602O Neill Country Maps 13
Owen More or Blackwater1602Bartlett Maps (Esch. Co. Maps)
Blackwater, the1607CPR Jas I 102b
Black water flu1609Esch. Co. Map 5.31
Blackwater1609Esch. Co. Map 5.30
Blackwater Flu1610Speed's Ulster
Own Duffe1610Speed's Ulster
Own ne Trough1610Speed's Ulster
Blackwater, the1615CPR Jas I 273b
Blackwater river1623CPR Jas I 563a
~Abhainn Duibh,tar an1645cCín Lae Ó M. 25
~Abhuinn Mhoir, tar1645cCín Lae Ó M. 17
~hAbhanna Duibhe, do choimhead atha na1645cCín Lae Ó M. 24
~hAbhanna Duibhe, go bun na1645cCín Lae Ó M. 35
The Black water1657cHib. Reg. Towrany
the Black water1657cHib. Reg. Onealand
Blackwater, rivul'' de1661Inq. Ult. (Armagh) $10 Car. II
Black water flu1672cHib. Del. Ardmagh
Black Water River1760Rocque's Map
~Abhainn Dubh, ag an1769Mac Cumhaigh (b) 122 l.123
the Black-water (separates Co. Armagh from [Tyr.])1802Stat. Sur. Tyr. (McEvoy) 11
~Avon-duff or Black-water1834OSL (Derry) 113
R. Blackwater forms western boundary [Ballagh td]1834cOSNB: gen. sources NB 128;D52
~an Abhainn Dhubh1840cMac Bionaid 30:111
~A'' t-Uisge Dubh1901Omeath Infs (GJ) 157
~An Abhainn Mhór1988Éire Thuaidh
~An Abhainn Mhór1989GÉ 2
Parish in 1851
Castlehill Demesne
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