 Howard married firstly Lady Rachel Anne Georgina, daughter of John Campbell, 2nd Earl Cawdor, in 1876.She died in 1906, leaving one son, Sir Algar Howard, an officer at arms at the College of Arms in London, and two daughters, Ruth and Alianore.He married secondly, in 1911, Catharine Meriel, MBE, only child of Sir Emile Algernon Arthur K. Cowell-Stepney, 11th/2nd and last Baronet, by hon.