Ewart was born in Wolverhampton in 1895, the son of Edwin and Sarah Crutchley. In 1901 they were living in Leabrook, Tipton. In 1911 they were at 85 Hartshorn Street, Bilston, together with Ewart’s siblings Fred, Harry, Alice and Letty. He went to Ocker Hill Council and then Dudley Grammar Schools, and later worked at Stonefield Council Schools in Bilston.
Ewart enlisted with the Worcestershire Yeomanry (number 325713) at Worcester. He was involved in the “Battle of the Desert” at Katia, Egypt, on 23 April 1916, when he became a Turkish prisoner. On 27 March 1917, he died in hospital in Angora, Turkey. Notice of his death was published in the Express & Star on 22 September 1917. He is buried in the Baghdad (North Gate) War Cemetery, and is commemorated on the Bilston High Town Ward Roll of Honour.