Hunsdon was the fourth son of Hucks Gibbs, 1st Baron Aldenham, and Louisa Anne Adams, and was educated at Winchester and Trinity College, Cambridge.
[1] He was a partner in the family firm of Antony Gibbs & Sons, and also served as Commissioner and Chairman of the Public Works Loan Board.
In 1908, he bought the Hunsdon Manor and the Briggens estate in Hertfordshire, and served as a justice of the peace and as High Sheriff of the county.
Lord Hunsdon married Anna Maria, daughter of Richard Durant, in 1885.
Their sixth child, Sir Humphrey Gibbs, was Governor of Southern Rhodesia.