What is "mackerras"

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

• Charles Mackerras, AC, CH, CBE (1925–2010), Australian conductor
• Ian Murray Mackerras (1898–1980), Australian zoologist
• Mabel Josephine Mackerras (1896–1971), zoologist
• Malcolm Mackerras AO (born 1939), Australian psephologist, commentator and lecturer on Australian and American politics
• Neil Mackerras (1930–1987), barrister and social campaigner