Earl Fitzwilliam is in Earl Ireland.
On 21st July 1716 William Fitzwilliam 1st Earl Fitzwilliam [aged 73] was created 1st Earl Fitzwilliam.
On 28th December 1719 William Fitzwilliam 1st Earl Fitzwilliam [aged 76] died. His son John [aged 34] succeeded 2nd Earl Fitzwilliam, 4th Baron Fitzwilliam of Liffer in Donegal.
On 28th August 1728 John Fitzwilliam 2nd Earl Fitzwilliam [aged 43] died. His son William [aged 8] succeeded 3rd Earl Fitzwilliam5th Baron Fitzwilliam of Liffer in Donegal.
On 10th August 1756 William Fitzwilliam 1st and 3rd Earl Fitzwilliam [aged 36] died. His son William [aged 8] succeeded 4th Earl Fitzwilliam, 2nd Earl Fitzwilliam, 6th Baron Fitzwilliam of Liffer in Donegal. Charlotte Ponsonby Countess Fitzwilliam by marriage Countess Fitzwilliam.
On 8th February 1833 William Fitzwilliam 4th and 2nd Earl Fitzwilliam [aged 84] died. His son Charles [aged 46] succeeded 5th Earl Fitzwilliam, 3rd Earl Fitzwilliam, 7th Baron Fitzwilliam of Liffer in Donegal.
On 4th October 1857 Charles Wentworth-Fitzwilliam 5th and 3rd Earl Fitzwilliam [aged 71] died. His son William [aged 41] succeeded 6th Earl Fitzwilliam, 4th Earl Fitzwilliam, 8th Baron Fitzwilliam of Liffer in Donegal. Frances Harriet Douglas Countess Fitzwilliam [aged 38] by marriage Countess Fitzwilliam.
On 20th February 1902 William Thomas Wentworth-Fitzwilliam 6th and 4th Earl Fitzwilliam [aged 86] died. His grandson William [aged 29] succeeded 7th Earl Fitzwilliam, 5th Earl Fitzwilliam, 9th Baron Fitzwilliam of Liffer in Donegal. Maud Frederica Elizabeth Dundas Countess Fitzwilliam [aged 24] by marriage Countess Fitzwilliam.
On 15th February 1943 William Charles de Meuron "Billy" Wentworth-Fitzwilliam 7th and 5th Earl Fitzwilliam [aged 70] died at Wentworth Woodhouse. His son William [aged 32] succeeded 8th Earl Fitzwilliam, 6th Earl Fitzwilliam, 10th Baron Fitzwilliam of Liffer in Donegal.
On 13th May 1948 Kathleen "Kick" Kennedy [aged 28] and William Henry Lawrence Peter Wentworth-Fitzwilliam 8th and 6th Earl Fitzwilliam [aged 37] died in a plane crash at the Plateau du Coiron, Saint-Bauzile during the course of their journey from Paris [Map] to the French Riviera for a vacation aboard a de Havilland DH.104 Dove. His first cousin once removed Eric [aged 64] succeeded 9th Earl Fitzwilliam, 7th Earl Fitzwilliam, 11th Baron Fitzwilliam of Liffer in Donegal. His wealth, estimated at 45 million pounds, including half of the Wentworth Woodhouse estate, the Coolattin estate in County Wicklow, Ireland, and a large part of the Fitzwilliam art collection went to his daughter Ann Juliet Dorothea Maud Wentworth-Fitzwilliam Marchioness Bristol [aged 13].
On 3rd April 1952 Eric Spencer Wentworth-Fitzwilliam 9th and 7th Earl Fitzwilliam [aged 68] died. His second cousin William [aged 47] succeeded 10th Earl Fitzwilliam, 8th Earl Fitzwilliam, 12th Baron Fitzwilliam of Liffer in Donegal.
In 1979 William Thomas Wentworth-Fitzwilliam 10th and 8th Earl Fitzwilliam [aged 74] died. Earl Fitzwilliam, Earl Fitzwilliam and Baron Fitzwilliam of Liffer in Donegal extinct.