Harry Alexander was born on 6 January 1879 in Oxton, Cheshire, the son of a cotton broker. He went to school at Uppingham from 1891 to 1897, then studied at Corpus Christi College, Oxford from 1897. At Oxford, Alexander read Classics, English Law, French language and literature, and Political Theory and Institutions, graduating with a Bachelor of Arts degree in 1900. He was secretary of the athletics club in 1899 and captained the cricket XI in 1900, having earned blues in rugby in 1897 and 1898. On graduating from Oxford, he was appointed assistant master at Stanmore Prep School but then left to become a professional singer. Alexander had a brother and two sisters. He married Louise Risby in 1913 and together they had a daughter, Jean born in 1914.
After leaving Oxford, Alexander played for Birkenhead Park. Following the North versus South trials, he made his international debut for on 3 February 1900 at Athletic Ground, Richmond in the England vs match. Of the 7 matches he played for his national side he was on the winning side on 2 occasions. He captained England in his penultimate international game, against in 1902, losing by one point. He played his final match for England on 8 February 1902 at Welford Road, Leicester in the England vs Ireland match. In his final year playing for England, Alexander published a work on rugby entitled How to Play Rugby Football. The Theory and Practice of the Game. Alexander then played for Richmond, and was the team's captain for the 1905–06 season, during which Richmond played the touring Original All Blacks, on 11 November 1905.
International appearances
Opposition
Score
Result
Date
Venue
15–4
Won
3 Feb 1900
Richmond
0–0
Draw
10 Mar 1900
Inverleith
13–0
Lost
15 Jan 1901
Cardiff
10–6
Lost
9 Feb 1901
Lansdowne Road
3–18
Lost
9 Mar 1901
Blackheath
8–9
Lost
11 Jan 1902
Blackheath
6–3
Won
8 Feb 1902
Leicester
Military service
Alexander was commissioned second lieutenant in the 1st Battalion, the Grenadier Guards on 23 July 1915. He was sent to the Western Front in October and was killed after only 13 days of service. His battalion took part in an assault on Hohenzollern Redoubt towards the end of the Battle of Loos, suffering 400 casualties in the span of three hours. Alexander was killed by a shell during this action. He is buried at the Arras Road Cemetery in the Pas de Calais, France.