John Alexander Irvine was born 7 February 1875 in Orange, New South Wales, Australia to Alexander Irvine (1842-1908) and Ann Jane Sheridan (c1847-1891) and died 13 October 1941 Molong, New South Wales, Australia of unspecified causes. He married Ada Annie Thornberry (1879-1928) 9 November 1910 in Cudal, New South Wales, Australia.
|Offspring of John Alexander Irvine and Ada Annie Thornberry (1879-1928)|
|Rosa Georgina Thornberry Irvine (1911-1911)|
|Samuel Jack Paton Irvine (1913-1930)|
|Rosa A Irvine (1915)|
|Verdun John Irvine (1917-1992)|
|Vivian Joseph Irvine (1918-1985)|