Captain Thomas Drummond (10 October 1797 – 15 April 1840), from Edinburgh was a Scottish British Army officer, civil engineer and senior public official.

[2] Despite his father dying when he was young, he credited his mother with getting him through his education at Edinburgh High School and then on to be a Royal Engineer cadet at Woolwich Academy in 1813.

[2] In 1835 Drummond, now back with the Irish Survey, married the wealthy heiress Maria Kinnaird, who was the adopted daughter of the critic Conversation Sharp (1759–1835).

It was concluded by his family physician, Dr. Johnson, who spent his last days with Drummond, that he was afflicted with peritonitis, which was symptomatic of an undetermined medical cause.

"[7]Drummond was critical of the system of large estates ("landlordism") in Ireland and famously stated, "Property has its duties as well as its rights.