 Hicks-Beach married Harriett Vittoria Stratton, daughter of John Stratton, in 1832.He died in November 1854, aged 45, and was succeeded in the baronetcy by his eldest son Michael, who became a prominent Conservative politician and was created Earl St Aldwyn in 1915.Hicks-Beach's younger son William Frederick Hicks-Beach was also an MP, as was his son-in-law Sir John Dillwyn-Llewellyn, 1st Baronet, husband of his daughter Caroline Julia Hicks-Beach.