I have a little on Ann Cosnahan b. January 29, 1730/31 m. February 6, 1764 Kirk Braddan to William Bridson.
Ann was the daughter of John Cosnahan b. February 15, 1692/93 d. 1750 m. June 18, 1717 Kirk Santon to Ann Corrin b. c1692 d. 1770.

Her siblings were
Margaret b. May 22, 1718
John b. July 17, 1720
Catherine b. 1721
Ellinor b. 1723
John Joseph b. July 17, 1726
Hugh b. September 12, 1728
Jane b. c1729