Summary: Thomas Ricker Dalrymple, Lieutenant, born in Yorkshire, joined the military service and arrived in India in the early 19th century. He served in various capacities such as Junior Conductor in the Ordnance Department at Dum-Dum from 18th August 1835 until his death at Saugor on 9th September 1839. Although he was appointed to the 1st Troop in the 3rd Brigade of the Horse Light Artillery, there are no records of his active service. On 29th June 1837, Dalrymple drew up his will at Dum-Dum, which was probated on 15th June 1841. The specifics of his service or achievements are not detailed. Another officer, James Dalrymple, served in the 15th N.I. during the 19th century, holding the ranks of Ensign, Lieutenant, and Captain-Lieutenant before passing away in Berhampore, Bengal on 28th October 1804. James served in military operations such as battles of Delhi, Agra, and Laswari during the Second Mahratta War. Additionally, Robert Dalrymple held the positions of Captain, Infantry, in the 18th century, serving as an Ensign and Captain in the 2nd Bengal European Regiment. He retired in Chapra, Bengal, eventually passing away on 29th January 1787.