Struggling to find an obvious death for John William Beattie in either England or Scotland, but it looks like he was born 18 Aug 1875 (baptised 12 Sep 1875) in Simonburn, Northumberland, and was the illegitimate son of Margaret Anne Beattie (later Armstrong), b. 1858, Simonburn, Northumberland; d. 1915, Hexham Northumberland.
In 1881, John William is in Simonburn with his mother and his grandparents, John Beattie and Margaret Herdman; and in 1891 and 1901, he's with his aunt, Martha Beattie and her husband Stephen Moor. He married Ruth Gilhespy in 1902 in Newcastle.
Ruth