He does not seem to be the Sam Eli Wilkes born Glamorgan 1894. He could be Alfred Ernest Wilkes born Cardiff 1877, but not enough evidence.
1880 Jul 17 Born Glamorgan
1918 Nov 20 Married Eleanor W Deeley at Birmingham . This is correct, and cert could lead further
1920 Oct 5 enlisted as RIC no 73810. ex-Soldier & Stoker
1921 Jan 9 Transferred to Reg RIC in Cavan
1923 Seaman Card as stoker. This is correct