Manchester was
Governor of Jamaica from 1808 to 1827. During his term, he oversaw the implementation of the abolition of the Slave Trade in the colony. In 1815, he dealt with the aftermath of the
Port Royal fire and the devastation of Jamaican
plantations by a
hurricane. , seat of Duke of Manchester
Manchester Parish in
Jamaica was named after him and
Mandeville, the capital of the parish, was named after his son,
Viscount Mandeville. After his return to Britain Manchester served as
Postmaster General between 1827 and 1830 (succeeding his younger brother
Lord Frederick Montagu). He was also
Lord Lieutenant of Huntingdonshire between 1793 and 1841. ==Family==