On 5th January 1753 John Fenton-Cawthorne was born to James Fenton of Lancaster and Elizabeth Cawthorne.
On 22nd August 1778 John Fenton-Cawthorne [aged 25] and Frances Delaval [aged 19] were married.
On 3rd June 1780 George Carpenter 2nd Earl Tyrconnel [aged 30] and [his sister-in-law] Sarah Hussey Delaval Countess Tyrconnel [aged 17] were married. She by marriage Countess Tyrconnel. He the son of George Carpenter 1st Earl Tyrconnel and Frances Clifton Countess Tyrconnel.
In 1781 John Fenton-Cawthorne [aged 27] inherited the estate of his maternal uncle at which time he added the additional surname Cawthorne.
In January 1783 John Fenton-Cawthorne [aged 29] was elected MP Lincoln.
In 1800 [his sister-in-law] Sarah Hussey Delaval Countess Tyrconnel [aged 37] died.
In 1806 John Fenton-Cawthorne [aged 52] was elected MP Lancaster.
On 1st March 1831 John Fenton-Cawthorne [aged 78] died at Hanover Street.
In 1839 [his former wife] Frances Delaval [aged 80] died.