Thomas Somerville FSA Scot FRSE (9 March 1740 – 16 May 1830) was a Scottish minister in Jedburgh, an antiquarian and an amateur scientist.

He was born on 9 March 1740[1] in the manse at Hawick in the Scottish Borders the son of Janet Grierson and her husband, Rev William Somerville (d.1757).

[3] In Edinburgh he fell from his horse near the house of Rev Bain, minister of the Relief Church and spent months living there recovering.

[4] He did not get a post as a minister immediately and whilst awaiting a church acted as tutor to the children of Sir Gilbert Elliot, 3rd Baronet, of Minto, later Governor General of India.

They had at least six children[10] including William Somerville who later married their niece Mary Greig (née Fairfax).