Robert James Oates married Emily May Cunningham at St George’s church in Douglas on 23 Jan 1911.

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They were living at 31 Athol Street Douglas in 1911. Robert was a joiner.

Robert was born in 1881 died 1948, Emily May born 1882 died 1930.

OATES, Robert James 25 Jan 1881 Douglas OATES, Frederick COWELL, Elizabeth

CUNNINGHAM, Emily May 1 Feb 1882 Douglas CUNNINGHAM, Henry CAIN, Eleanor

Your Joseph Edwin born in 1923 Douglas. Emily Theresa Cunningham Oates born in 1914 Douglas has to be one of the children. Perhaps Edna May Oates was another born in 1912 Douglas?

There’s a tree on Ancestry by jmdroots but it doesn’t cover Robert and Emily May’s children.