I am NOT a Brownrigg expert but this is what I have for you;
John Brownrigg (circa 1730?

) a chandler, was married to a Mary...
They had 600 acres at Craiguemore Townland
It was split among 3 sons
William Brownrigg
John Castleton Brownrigg
Abraham Brownrigg who married Alice Nixon.
They baptized son William Oct 19 1785 at CoI Aghold Parish when living at Mullins Townland
They alo had children John 1782, Mary Ann 1783 Abe, Patience, Richard, ...all born before 1789
Hope this helps.
My interest derives from wanting to know something of Henry Brownrigg of Craiguemore 1782-1849. Perhaps his father was Abe or William or John, all circa 1760?? of Craiguemore. He married Elizabeth Hopkins May 25, 1807 at Clonegal. She was from Garryhasten inthat Parish but I cannot connect her to other Hopkins in that area. Anything you know would be helpful.
Doe anyone have Kilruh Parih records? I have a Jacob Brownrigg buried May 29 1809 at age 30. Also a Jacob buried May 29 1809 with Elizabeth (Hopkins) at age 70. There must be a transcription error.