At the time of his birth, Charles' prospects of becoming Marquess of Ormonde were extremely remote; ahead of him in the line of succession were his uncles, the-then incumbent holder of the title
The Third Marquess and
Lord Arthur Butler, his cousins
George Butler and
Arthur Butler, as well as his own father
Lord Theobald Butler and his older brother Walter Butler. The birth of George's son James Anthony Butler in 1916 further reduced the likelihood of Charles' succession. The deaths of Anthony in 1940, Walter in 1945 and George in 1949, none of whom were survived by a son, rendered Charles as heir presumptive to the family titles by 1950. In 1971, Charles Butler inherited the Marquessate of Ormonde, the Earldoms of Ormond and Ossory, the Thurles Viscountcy and the Butler of Llanthony Barony upon the death of his cousin,
James Arthur Butler, 6th Marquess of Ormonde. He was thenceforth known as
The Most Honourable Charles Butler, 7th Marquess of Ormonde. During the later years of his life, Lord Ormonde maintained an active role as President of the
Butler Society. He made regular visits to the city of
Kilkenny in Ireland, where the former principal seat of his family,
Kilkenny Castle, was located. Ownership of the Castle (which the Butler Family had not inhabited since 1935) had been transferred to the Town and People of Kilkenny by his predecessor, the 6th Marquess, in 1967. Lord Ormonde died on 25 October 1997 in
Chicago,
Illinois, aged 98. Without a male heir, the marquessate became extinct in 1997, while the earldom is dormant. The 18th
Viscount Mountgarret, who succeeded his father in 2004 is understood to be the likely heir of the former Marquess' related title
Earl of Ormond but has not successfully proven the claim. ==Arms==