Thomas Charles Colyear, 4th Earl of Portmore (27 March 1772 – 18 January 1835), styled Viscount Milsington from 1785 until 1823, was a British politician.
Lord Portmore was the son of William Colyear, 3rd Earl of Portmore and succeeded him to his titles upon his death. He was married twice; in 1793 he married Lady Mary Elizabeth Bertie (d. 1797), daughter of Brownlow Bertie, 5th Duke of Ancaster and Kesteven, by whom he had a son:
- Hon. Brownlow Charles Colyear, inherited the personal property of the Duke of Ancaster on his death in 1809, but died in Rome in 1819 due to injuries sustained in a fight with bandits.
In 1828 Lord Portmore married Frances Murrells, by whom he had no issue.
Lord Milsington was an English amateur cricketer who made three known appearances in first-class cricket matches from 1792 to 1793. He was mainly associated with Hampshire and was an early member of Marylebone Cricket Club.
- https://books.google.com/books?id=DqkTAAAAYAAJ&pg=PA447 A Genealogical and Heraldic History of the Extinct and Dormant Baronetcies of England, Scotland, and Ireland by John Burke and John Bernard Burke
- Arthur Haygarth, Scores & Biographies, Volume 1 (1744–1826), Lillywhite, 1862
- CricketArchive record
- Leigh Rayment's Peerage Pages [self-published source][better source needed]
- Leigh Rayment's Historical List of MPs