[1] He was the eldest son of Lt.-Col. Sir Charles Morgan, 2nd Baronet, and his wife, the former Mary Margaret Stoney.

[9] His great aunt Jane married the industrialist Samuel Homfray.

Upon his father's death in 1846, he succeeded the Morgan Baronetcy, created for his grandfather in 1792.

[12] He served in the Glamorgan Yeomanry and later in the militia (the Royal Glamorgan Light Infantry, commissioned as Major on 3 April 1849),[13] and was appointed High Sheriff of Monmouthshire for 1821–22 and High Sheriff of Brecknockshire for 1850–51.

Together, they lived at Tredegar House, where he was a noted breeder of shorthorn cattle,[16] and had five sons and six daughters, including:[15] Lord Tredegar died on 16 April 1875 and was succeeded by his second son Godfrey as his eldest son, Charles, predeceased him unmarried and without legitimate male issue.