Henry Thomas Halahan

"Lt. Colonel Halahan served with the 3rd Buffs in the campaign of 1860 in China, and was present at the action of Sinho and taking of Tangku and the inner Taku Fort (Medal with Clasp). Served in the Zulu war of 1879 (Medal with Clasp)"
Source:3rd Foot Buffs East Kent.

Ray63 .
A bit more on Halahan .
Major. H.T.Halahan , Proceeded to Natal whilst on a passage from India , joined the regt in Zululand , and served with it in the later operations of Crealock's Divis , including the advance to Port Durnford .
From Mackinnon & Shadbolt .

"Lieut H. T. Halahan, 2nd Bn 3rd Regt), South Africa Medal, 1877-1879, single clasp, 1879 (Major: H. T. Halshan [sic], 2/3rd Foot.); the first officially impressed with rank ‘Lieut’ officially re-impressed over ‘Ensign’ to reflect his promotion, the second officially engraved, named ‘Halshan’ in error. Contact marks to first, both proudly polished, bold fine, lightly toned. ex Dixons Medals Henry Thomas Halahan was born 16 August 1836, at Gibraltar – the son of Dr John Wallen Halahan of Dublin, an Army Surgeon. He was commissioned Ensign, November 1857; Lieutenant September 1860; Captain, October 1866; Major, November 1878; Lieutenant Colonel, November 1883, and Colonel, November 1887. He served with the 3rd Battalion East Kents in the Second China War and was present at the action of Sinho and the taking of Tanghu and the inner Taku Fort. He proceeded to Natal in South Africa from India, and served with the regiment in South Africa during the later operations in Crealock’s Division, including the advance to Port Durnford. Genealogical research confirms that he died as a retired Colonel, residing at 12 Gloucester Street, Pimlico, 25 October 1900. "