Fitzwygram was the third son of Sir Robert Fitzwygram, 2nd Baronet and his wife Selina Hayes. He became a cavalry officer and served with the 6th (Inniskilling) Dragoons in the Crimean War. He subsequently commanded the Cavalry Brigade at Aldershot. In 1873 he inherited the Wigram Baronetcy on the death of his elder brother Robert. He purchased the Leigh Park estate, at Havant, in 1874 and developed the grounds and gardens which were frequently thrown open to the public. He was a member of the Royal College of Veterinary Surgeons, and as President from 1875 to 1877 he unified the veterinary profession. He was active in public life and in 1876 he was mayor of Portsmouth. From 1879 to 1884 he was Inspector-General of Cavalry at Aldershot.
Fitzwygram was elected as Member of Parliament for Hampshire South in a by-election in 1884, and when the constituency was restructured, he became MP for Fareham in 1885. He held the seat until 1900, being interested in military and horse related matters in the House of Commons. He wrote an influential book on the care and management of horses Horses and Stables which was first published by Longmans, Green, Reader and Dyer of London in 1869.Fitzwygram's memorial in Havant church is the west window illustrating St. Gabriel and St. Michael. He was an honorary member of the Manchester Unity of Independent Order of Oddfellows, Royal Naval Lodge, England.
- Hansard 1803–2005: contributions in Parliament by Sir Frederick Fitzwygram
|Parliament of the United Kingdom|
Lord Henry John Montagu-Douglas-Scott
|Member of Parliament for Hampshire South
1884 – 1885
With: Francis Compton
|New constituency||Member of Parliament for Fareham
1885 – 1900
|Baronetage of Great Britain|
Sir Robert Fitzwygram, 3d Bt
Sir Frederick Fitzwigram, 5th Bt