Earl Dorchester is in Earldoms of England Alphabetically.
See Earldoms of England Chronologically, Created Countesses of England, Extinct Earldoms of England.
Summary
1686. Catherine Sedley Countess Dorchester and Portmore [aged 28] created.
26th October 1717. Catherine Sedley Countess Dorchester and Portmore extinct.
In 1686 Catherine Sedley Countess Dorchester and Portmore [aged 28] was created 1st Countess Dorchester for life by King James II of England Scotland and Ireland [aged 52] for services as his mistress. Her father Charles Sedley 5th Baronet [aged 46] quipped "As the king has made my daughter a countess, the least I can do, in common gratitude, is to assist in making his Majesty's daughter [aged 23] a queen".
On 26th October 1717 Catherine Sedley Countess Dorchester and Portmore [aged 59] died in Bath, Somerset [Map]. Earl Dorchester extinct.
Summary
15th May 1792. Joseph Damer 1st Earl Dorchester [aged 74] created.
12th January 1798. Son George Damer 2nd Earl Dorchester [aged 51] succeeded.
7th March 1808. George Damer 2nd Earl Dorchester extinct.
On 15th May 1792 Joseph Damer 1st Earl Dorchester [aged 74] was created 1st Earl Dorchester. His London townhouse Dorchester House Park Lane is named after his Earldom.
On 12th January 1798 Joseph Damer 1st Earl Dorchester [aged 79] died. His succeeded son George Damer 2nd Earl Dorchester [aged 51] succeeded 2nd Earl Dorchester, 2nd Baron Milton of Shronehill in Tipperary, 2nd Baron Milton of Milton Abbey in Dorset.
On 7th March 1808 George Damer 2nd Earl Dorchester [aged 61] died unmarried in Park Lane. Earl Dorchester, Baron Milton of Shronehill in Tipperary, Baron Milton of Milton Abbey in Dorset extinct.