As per writings of C.W. Dobson UE, December 21, 2005, John Ross was not proven to be an UEL.
Was prob. married to Catherine Morrisson. She died May 12, 1848.
He died before nov. 1833.
They had at least :
-Hector, B. ca 1792, d. Feb, 23, 1874
-Daniel, B. ca Dec,1800, d. March 12, 1875, married Mary Scott in 1842.
-John, B. ca 1802, buried Nov. 29, 1833
-Walter, married Margaret MacRae on March 16, 1824
Let me know if you have more to add.