He married, first, Edith Daisy Hassall (1878–1918), daughter of Emily and Henry Addison Hassall, on 28 December 1905, at
Bebington. Edith had been a governess at the Deanery at Christ Church College. Three children were born of their marriage, a son Cyprian, 1906 and two daughters Marjorie, 1910 and Felicity, 1915. During that period Blagden left his posts at Oxford and became Rector of
Rugby, Warwickshire from 1912 to 1927, later Canon of Coventry from 1918 to 1920, and then
Archdeacon of Warwick from 1920 to 1923. Edith died on 16 October 1918 at Rugby. The Archdeacon married, second, Evelyn Hester Dewar (1885–1956), daughter of William Dewar and Anne Eveline Sadler of Rugby, on 23 April 1922 at Rugby. The couple was married thirty years. ==Episcopal career and retirement==