Austin Irwin COOPER is the only son of Austin COOPER and Mary Agnes IRWIN born 25 March 1849 in Westmeath, Ireland.
Cooper,Austin and Elizabeth. Family Bible Records. 1848-1868. The Holy Bible. [Cover page torn out.] Privately held by Mary R. Cooper. San Diego, California. 2005.
Ireland. Death Records. Austin Irwin Cooper. 10 April 1891. Quarter 2. Volume 2. Page 492. No. 154. Civil Registration Office, Roscommon, Ireland. Accessed 18 April 2009.
I also have a photo copy of another painting of Sarah done at a later time. I do not remember where I got a copy of this one.