Have you looked at the IGI at www.familysearch.org

Elizabeth Cottiman married Thomas Cowin 9 Sep 1780 at Malew.
She was probably the daughter of John Cottiman & Jane Gawn baptized 15 Feb 1756 at Malew, second child of this name. First Elizabeth bp 2 Apr 1749 at Malew and buried 10 Apr 1751 at Malew