Irwin Thomas

Irwin Thomas (born Irwin Thomas Whittridge, 6 February 1971) is an Australian-American singer-songwriter and guitarist. He has performed professionally as Jack Jones, including as lead vocalist-guitarist in the rock band Southern Sons (1990–1996). He is known for his collaborations with John Farnham. Since 2000, he has performed as Irwin Thomas and released a debut solo album, The Evolution of Irwin Thomas, in 2002. In 2017 his collaboration album with Rick Price, California Dreaming, peaked at No. 7 on the ARIA Albums chart. His other bands or collaborations include Electric Mary, She Said Yes, Ahmet Zappa and Dami Im. Southern Sons reformed in 2019, they have periodically performed and toured into 2026.