Rev. Maurice John George Ponsonby 4th. Baron de Mauley
- Born: 7 Aug 1846, Cosgrove, NTH
- Marriage: Hon. Madeleine Emily Augusta Hanbury-Tracy on 29 Dec 1875 in St. Paul's, Knightsbridge, LON
- Died: 15 Mar 1945, Witney District, OXF
Noted events in his life were:
• Education, 1860-1864, Eton College, Eton, BKM.
• Education: Christ Church, 1865-, Oxford University, OXF.
• Occupation: Vicar of New Swindon, 1881, Swindon, WIL.
• Occupation: Clerk in Holy Orders, 1891, Swindon, WIL.
Maurice married Hon. Madeleine Emily Augusta Hanbury-Tracy, daughter of Thomas Charles Hanbury-Tracy Lord Sudesley and Unknown, on 29 Dec 1875 in St. Paul's, Knightsbridge, LON. (Hon. Madeleine Emily Augusta Hanbury-Tracy was born on 22 Jun 1852 in Brighton, SSX, christened in St. George's Chapel, Brighton, SSX and died on 28 Jan 1938 in Lechlade, GLS.)