What is "drinan"

Drinan or Drinnan is a surname. Notable people with the surname include:

• Dan Drinan (born 1960), American sprint car driver
• Jimmy Drinnan (1906-1936), Scottish professional association footballer
• Keith Drinan (1924–2004), Australian rules footballer
• Robert Drinan (1920–2007), Jesuit priest and Democratic U.S. Representative from Massachusetts