Background
Hanmer was the fifth son of Sir Thomas Hanmer, 2nd Baronet of Hanmer, Bettisfield Park in Flintshire, and his wife Margaret Kenyon daughter of George Kenyon of Peel Hall Leicestershire.
Hanmer was the fifth son of Sir Thomas Hanmer, 2nd Baronet of Hanmer, Bettisfield Park in Flintshire, and his wife Margaret Kenyon daughter of George Kenyon of Peel Hall Leicestershire.
He was educated at Rugby School and Peterhouse, Cambridge.
He became a cornet in the Royal Horse Guards in 1808 and in 1813 was Aide-de-camp to Sir Rowland Hill at Pampeluna and at the Battle of Vitoria. He reached the rank of Lieutenant-Colonel. He was a Justice of the Peace and Deputy Lieutenant for Bedfordshire, Buckinghamshire and Berkshire.
After the parliamentary reform, he was elected at the 1832 general election as Member of Parliament for Aylesbury, and held the seat until he retired in 1837.
In 1854 Hanmer became High Sheriff of Buckinghamshire. Hanmer died at the age of 79.
They lived at Stockgrove Park, Leighton Buzzard.
Conservative Party, Tories.
10th United Kingdom Parliament. 11th United Kingdom Parliament. 12th United Kingdom Parliament]
At the 1831 general election Hanmer was elected Member of Parliament (Member of Parliament) for Westbury, but resigned the seat shortly afterwards.