With a view to assisting the projected official 'Glossary of Indian Judicial and Revenue Terms,' he published in 1845 at Agra his 'Supplement to the Glossary,' described by Professor H. H. Wilson as 'replete with curious and valuable information, especially as regards the tribes and clans of Brahmans and Rajputs.'

Elliot was married to the daughter of William Cowell a judge at the Provincial Court of Appeal, at Bareilly, Bengal, India.

Failing health compelled him to seek a change of climate, and he died on 20 December 1853[2] on his way home at Simon's Town, Cape of Good Hope, aged 45.

Children of Sir Henry Miers Elliot KCB & Eliza Rebecca Cowell His memorial exists at St. Paul's Cathedral, Kolkata.

[2] There is a still-functioning Elliot club, now owned by the Government of Haryana at Hisar, founded by him for then East India Company officials, and O.P.

His Memoirs of the History, Folklore, and Distribution of the Races of the North-West Provinces also found an editor in John Beames, 2 vols.

A much lesser-known work titled, Appendix to the Arabs in Sind, Vol.III, Part 1, of the Historians of India was written when he was on his deathbed and wrote it to apparently test the powers of his mind which he had doubted.