Lieutenant-Colonel Sir Thomas Swinnerton Dyer, 9th Baronet JP (10 December 1799 – 2 October 1878) was an English soldier who fought in the Peninsular War.
[1] He was the son of Jane Halliday and Sir John Dyer, a Major-General in the Royal Artillery,[2] who was killed in 1816.
[5] Before retiring in 1832, he was a Lieutenant-Colonel and served in the Peninsular War, where he was present at Badajoz, Vitoria, San Sebastian, the Pyrenees, Nive, Orthez and Toulouse.
[2] Upon the 1864 death of Elizabeth, Baroness von Zandt (the wife of his cousin Sir Thomas Dyer, 7th Baronet who married German Baron Friedrich von Zandt after Sir Thomas' death in 1838), he inherited her London Dyer property, Bank-Chambers, Tokenhouse Yard, Fenchurch Street, Mark Lane, Star Alley, Dyer's Court, lands in Aldermanbury, Thames Street and Brompton, Pimlico, Kingsland Road, and Kent Road.
[2] Through his son Henry, he was a grandfather of Sir Leonard Whitworth Swinnerton Dyer, 14th Baronet (1875–1947), a Sub-Lieutenant in the Royal Navy Volunteer Reserve who fought in World War I.