What is "macrossan"

Macrossan is a surname. Notable people with the surname include:

• Hugh Denis Macrossan (1881–1940), Australian politician and judge
• John Macrossan (1832–1891), Australian politician
• John Murtagh Macrossan (judge) (1930–2008), Australian judge
• Neal Macrossan (1889–1955), Australian lawyer and judge