Frances,
I did some looking for the will's of Avrick and the two Anns. Found Avrick and Ann Craig (but it looks like Cristy to me.) I also did the search of the Church records and found the children of Patrick and wives.
Patrick Son of Patrick Cubbon & Averick Shimmin Baptised Sunday the 4th August 1754
John Son of Pat Cubbon & Averick Shimmin baptd Dec 5th 1756
Thomas Son of Patrick Cubbon & Averick Shimmin baptd April 16th 1759
Ann Dau of Pat Cubbon & Averick Shimmin Jan 285h 1762
William Son of Patrick Cubbon & Ann Crain May 6th 1764
Edmund Son of Patrick Cubbon & Ann Crain March 21st 1766
Ann Dau of Patt Cubbon & Ann Crain Mar 1st 1771
Hope this helps someone else.
VA