Baron Hillingdon is in Baronies of England Alphabetically, Baronies of England Chronologically, Extinct Baronies of England.
Summary
15th February 1886. Charles Mills 1st Baron Hillingdon [aged 55] created.
3rd April 1898. Son Charles Mills 2nd Baron Hillingdon [aged 43] succeeded.
6th April 1919. Son Arthur Robert Mills 3rd Baron Hillingdon [aged 27] succeeded.
5th December 1952. Son Charles Hedworth Mills 4th Baron Hillingdon [aged 30] succeeded.
6th May 1978. First Cousin Once Removed Patrick Charles Mills 5th Baron Hillingdon [aged 71] succeeded.
1st September 1982. Patrick Charles Mills 5th Baron Hillingdon extinct.
On 15th February 1886 Charles Mills 1st Baron Hillingdon [aged 55] was created 1st Baron Hillingdon. Louisa Isabella Lascelles Baroness Hillingdon [aged 56] by marriage Baroness Hillingdon.
On 3rd April 1898 Charles Mills 1st Baron Hillingdon [aged 67] died. His son Charles [aged 43] succeeded 2nd Baron Hillingdon, 3rd Baronet Mills of Hillingdon. Alice Marion Harbord Baroness Hillingdon [aged 40] by marriage Baroness Hillingdon.
On 6th April 1919 Charles Mills 2nd Baron Hillingdon [aged 64] died. His son Arthur [aged 27] succeeded 3rd Baron Hillingdon, 4th Baronet Mills of Hillingdon. Edith Mary Cadogan Baroness Hillingdon [aged 24] by marriage Baroness Hillingdon.
On 5th December 1952 Arthur Robert Mills 3rd Baron Hillingdon [aged 61] died. His son Charles [aged 30] succeeded 4th Baron Hillingdon, 5th Baronet Mills of Hillingdon.
On 6th May 1978 Charles Hedworth Mills 4th Baron Hillingdon [aged 56] died. His first cousin once removed Patrick [aged 71] succeeded 5th Baron Hillingdon, 6th Baronet Mills of Hillingdon.
On 1st September 1982 Patrick Charles Mills 5th Baron Hillingdon [aged 75] died. Baron Hillingdon, Baronet Mills of Hillingdon extinct.