
Henry Campbell Bruce, 2nd Baron Aberdare, styled The Honourable from 1873 to 1895, was a British soldier and peer.

Thomas Sidney "Sid" Bevan was a Welsh rugby union player who represented Wales and the British Lions. Bevan played club rugby for Swansea, joining the club in 1897.

Norman Witchell Biggs was a Welsh international rugby union wing who played club rugby for Cardiff and county rugby for Glamorgan. Both Biggs and his brother Selwyn played international rugby for Wales, though they never played together in the same match for Wales. Biggs also played cricket for Glamorgan and in 1893 was part of a team that took on Cardiff in a two-day match; he faced his brother Selwyn, who was a member of the Cardiff team.

William Harries Clement OBE MC TD was a Welsh international wing who played club rugby for Llanelli and was capped six times for Wales. Clement was described as a staunch tackler with speed and a good turn of pace; and after his appearance for the British Isles was seen as the best defensive wing of the decade. In his later career he became Secretary of the Welsh Rugby Union.

Lieutenant-Colonel Lord Ninian Edward Crichton-Stuart was a Scottish senior officer in the British Army and Member of Parliament. He was killed in action in the First World War. The second son of the Honourable Gwendolen Mary Anne Fitzalan-Howard and John Crichton-Stuart, 3rd Marquess of Bute, he entered the army in 1903 and served in the Queen's Own Cameron Highlanders and the Scots Guards as a lieutenant. After marrying he began a career in politics, serving first as a councillor on Fife County Council, Scotland. His family having close connections to the city of Cardiff in Wales, he fought and lost the January 1910 election there as a Liberal Unionist candidate. The resulting hung parliament led to a second election in December 1910, in which Crichton-Stuart won the seat.

General Sir Arthur Edward Hardinge was Governor of Gibraltar.

Kenneth Lotherington Hutchings was an English amateur cricketer who played for Kent County Cricket Club and the England cricket team between 1902 and 1912. He was primarily a batsman who played a major role in three of Kent's County Championship wins in the years before World War I and who played seven Test matches for England. He was chosen as one of Wisden's Cricketers of the Year in 1907. Hutchings was killed in action during the Battle of the Somme whilst serving with the King's Liverpool Regiment in 1916.

Group Captain Hubert William Godfrey Jones Penderel was a British World War I flying ace credited with seven aerial victories. Between the wars he had a distinguished career as a Royal Air Force officer, air racer and explorer, and served as group commander in the early stages of World War II, before being killed while making a test flight of a Hurricane.

Air Vice Marshal Sir Charles Alexander Holcombe Longcroft, was a pilot and squadron commander in the Royal Flying Corps who went on to become a senior commander in the Royal Air Force.

Sir William Montagu Scott McMurdo was a British army officer who rose to the rank of general. He saw active service in India, helped to run a military railway in the Crimean War and then managed various groups of volunteers working with the army. He was eventually knighted.

Captain Edgar Kinghorn Myles, was a British Army officer and an English recipient of the Victoria Cross (VC), the highest award for gallantry in the face of the enemy that can be awarded to British and Commonwealth forces.

David Rees Rees-Williams, 1st Baron Ogmore, PC, TD was a British politician.

William Buckley Roderick was a Welsh solicitor, international rugby union forward and later a Vice-Consular for Spain. Roderick played club rugby for Llanelli Rugby Football Club and international rugby for Wales.

General Sir Cameron Deane Shute was a senior British Army officer during World War I.
William Grant Stairs was a Canadian-British explorer, soldier, and adventurer who had a leading role in two of the most controversial expeditions in the Scramble for Africa.

Sir Eric John Eagles Swayne, was a British army officer and colonial administrator. He served in British Somaliland, where he was appointed Commissioner, and as Governor of British Honduras, now Belize.

Air Vice Marshal Meredith Thomas, was a senior commander in the Royal Air Force during the Second World War. He began his career as a flying ace during the First World War, credited with five aerial victories.

Major General Sir Alexander Bruce Tulloch, was a British Army officer who served as military commandant for the Colony of Victoria, a war correspondent and an author.

David Watts Morgan,, who later in life hyphenated his name to Watts-Morgan, was a Welsh trade unionist, a Labour politician, and a Member of Parliament (MP) from 1918 to 1933.

Edward George Wynyard, DSO, OBE was a British Army officer and an English cricketer who played in 3 Tests from 1896 to 1906. He captained Hampshire County Cricket Club between 1896 and 1899.