. He was born on 31 March 1811 at
Merrion Square,
Dublin, as the son of
James Hewitt, 3rd Viscount Lifford, and the Hon. Mary Ann Maude. He married
Lady Mary Acheson, daughter of
The 2nd Earl of Gosford and Mary Sparrow, on 9 July 1835. The children from this marriage were: • Mary Anne Hewitt (d. 27 May 1913), married John Gathorne Wood, son of
John Wood • Isabella Hewitt (d. 19 Mar 1924) •
James Wilfrid Hewitt, 5th Viscount Lifford (12 Oct 1837 – 20 Mar 1913) • Evelyn John Hewitt (19 Jul 1842 – 4 Jul 1867) •
Archibald Robert Hewitt, 6th Viscount Lifford (14 Jan 1844 – 22 May 1925) • Cornwallis Charles Hewitt (3 Mar 1847 – 4 Sep 1889) • Edward Hewitt (31 Mar 1848 – 4 Sep 1931) Lady Mary died in March 1850. Secondly, he married Lydia Lucy Wingfield Digby, daughter of the Reverend John Digby Wingfield Digby, on 9 December 1851. The children from this marriage were: • William James Hewitt (6 Apr 1856 – 28 Oct 1948) • George Wyldbore Hewitt (16 Nov 1858 – 23 Apr 1924), who married Elizabeth Mary Rampini (1871–1959); one of their two sons was
Second Lieutenant Dennis George Wyldbore Hewitt,
V.C. • Lettice Lucy Hewitt (d. 13 Aug 1930) • Alice Anne Hewitt (d. 11 Feb 1943) • Georgiana Rosamund Hewitt (c 1858 – 9 May 1887) • Anne Eliza Hewitt (d. 5 Sep 1957) ==Career==