title: Harry J. O'Brien
text: # Harry J. O'Brien
  
  Harry Joseph O'Brien (October 31, 1884 – August 23, 1955), nicknamed "Shorty", was an American football, basketball, and baseball coach. He was the fifth head football coach at The Citadel, serving for five seasons, from 1916 to 1918 and from 1920 to 1921, compiling a record of 14–15–4. O'Brien also coached basketball and baseball for The Citadel for two seasons during World War I. He tallied a record of 6–2 in basketball and 3–9 in baseball. O'Brien died of coronary thrombosis on August 23, 1955, at his home in Philadelphia.
  
  ## Head coaching record
  
  ### Football
  
  | Year | Team | Overall | Conference |
  | - | - | - | - |
  | Gettysburg Bullets (Independent) (1914–1915) ||||||
  | 1914 | Gettysburg | 1–6–2 | |
  | 1915 | Gettysburg | 3–6 | |
  | Gettysburg: | Gettysburg: | 4–12–2 | |
  | The Citadel Bulldogs (Southern Intercollegiate Athletic Association) (1916–1918) ||||||
  | 1916 | The Citadel | 6–1–1 | 4–1 |
  | 1917 | The Citadel | 3–3 | 1–3 |
  | 1918 | The Citadel | 0–2–1 | 0–1–1 |
  | The Citadel Bulldogs (Southern Intercollegiate Athletic Association) (1920–1921) ||||||
  | 1920 | The Citadel | 2–6 | 1–5 |
  | 1921 | The Citadel | 3–3–2 | 2–3–1 |
  | The Citadel: | The Citadel: | 14–15–4 | 8–13–2 |
  | Drexel Dragons (Independent) (1922–1925) ||||||
  | 1922 | Drexel | 2–4 | |
  | 1923 | Drexel | 2–6 | |
  | 1924 | Drexel | 2–7 | |
  | 1925 | Drexel | 1–7 | |
  | Drexel: | Drexel: | 7–24 | |
  | Total: | Total: | 25–51–6 | |
  