Lieutenant-Colonel Thomas Fiott de Havilland (April 1775 – 23 February 1866) was a British Army officer and engineer in the Madras Presidency.
[1] The family coat of arms includes three triple-turretted towers with the motto Dominus fortissima turris.
De Havilland served in Colombo in 1795-96 alongside Colin Mackenzie, in Trichy against Tipu in 1799 and in Egypt in 1801 where he was captured by the French.
In 1814 he was appointed civil engineer and architect for the Madras Presidency and remained in post until his retirement from the service in April 1825.
[4] After he retired de Havilland returned to Guernsey and bought the Vauxquiédor estate and became a justice and member of the legislature.