Hi Linda,
Here are some deeds for Corncammon/Corncamble. I’m not entirely sure how they all fit together yet.
Book 258 / Page 198 / Number 170516https://www.familysearch.org/ark:/61903/3:1:3Q9M-CSJW-N9T8-7?i=109&cat=185720Memorial of a deed tripartite dated 5th June 1762 between William Colhoun of Corncamon, parish of Taboyne [Taughboyne], Co Donegal, Gent, on the 1st part; Tristram Cary of Rockfield in said parish, and Owen Colhoun of Corncamon aforesaid, Gent, on the 2nd; Catherine Cary spinster, eldest daughter of said Tristram Cary on the 3rd. For certain considerations, William Colhoun granted to Tristram Cary and Owen Colhoun lands in Corncamon to hold in trust for certain purposes. Witnessed by Rev Williams Connor, curate of Taboyne, John Colhoun of Corncamon, Gent, and John Parkin of St Johnston, Gent, all of said parish and Co Donegal. Memorial executed by Tristram Cary in the presence of said John Colhoun and John Buchanan of the city of Londonderry, clerk to Henry Sloan, gent.
Book 314 / Page 343 / Number 218367https://www.familysearch.org/ark:/61903/3:1:3Q9M-CSNH-496K-9?i=551&cat=185720Memorial of deed dated 3rd Oct 1778 between William Colhoun of Corncammon, Co Donegal, gent, on the 1st part; George Cary of Rushfield in said Co, gent, of the other. William Colhoun granted to George Cary the town and lands of Corncammon then in the possession of said William Colhoun, and Sarah Curry widow, Bryan Coyle, Peter Crumlish, James McGarvey, John Campbell, Joseph Thompson and William Black his undertenants. To be held by George Cary in trust to pay himself £100 and £250 due to “divers other” creditors of William Colhoun. Witnessed by John Cary of Coxtown and James Lynch of Coxstown, Co Donegal, gent. Memorial witness signed by George Cary and witnessed by John Cary and Peter McDonagh of the city of Londonderry.
Book 392 / Page 281 / Number 258977https://www.familysearch.org/ark:/61903/3:1:3Q9M-CSJ4-7SQK-6?cat=185720Memorial of lease and release (marriage settlement) dated 29th Sep 1787 between John Colhown [Colhoun] of the city of Londonderry, surgeon and apothecary, on the 1st part; Hugh Woodney [?] and James Cully both of Newry, Co Down, Gents on the 2nd; John Fivey and Elizabeth Fivey spinster, daughter of said John, on the 3rd part. Marriage intended between John Colhown and Elizabeth Fivey. In consideration of £300, John Colhown granted to Hugh Woodney and James Culley half of the townland of Corncamon, Barony of Raphoe, Co Donegal. John Fivey granted to Hugh Woodney and James Culley the part lands of Greenan near Loughbrickland, Co Down, which he was then intitled to under the will of his father Thomas Fivey deceased, and also the part of Greenan lately purchased by him from his daughter to the said Elizabeth Fivey for the residue of a term of 2000 years. Witnessed by Cathe [?] Toubert of Canal St, Newry, widow, and Danl Brown of Newry, attorney.
Book 396 / Page 162 / Number 260736https://www.familysearch.org/ark:/61903/3:1:3Q9M-CSJW-5PWF?i=90&cat=185720Memorial of a mortgage dated May 1787 between John Colhown [Colhoun] of Corncammon, Co Donegal, gent, on the 1st part; William Gallagher of Ruskey, Co Donegal, farmer, on the second. Whereby John Colhoun granted to Gallagher the moiety of Corncammon as theretofore was in the occupation of John Colhoun deceased and his undertenants, and now of the said John Colhoun. The moiety being the north side of the townland of Corncammon, Barony of Raphoe, Co Donegal. William Gallagher to hold with all rights, subject to an annuity of £20/pa, plus a clause of redemption upon payment of a certain sum. Deed and memorial witnessed by Peter McDonagh, not. pub., and Peter McDonagh junior, both of the City of Londonderry.