Background
Mercer was born on 7 January 1862 in Boxley, Kent the son of Richard Mercer a banker, he was educated at Trinity College, Cambridge.
Mercer was born on 7 January 1862 in Boxley, Kent the son of Richard Mercer a banker, he was educated at Trinity College, Cambridge.
Trinity College.
Military Mercer was commissioned in April 1881 as a second lieutenant in the Duke of Edinburgh"s Own Edinburgh militia. In January 1884 he was appointed as a lieutenant in the 3rd Dragoon Guards. Later as a major he served in the Boer War.
During the First World War he commanded the 3rd Reserve Regiment.
He lost the seat in the 1923 election to Liberal politician John Frederick Loverseed.
32nd United Kingdom Parliament]
Mercer was returned as the Member of Parliament for the Sudbury Division of Suffolk for the 1922 general election.