- Occupation Farmer
Colleen Costello was a Regional Winner (Alice Springs, Northern Territory) of the ABC Rural Woman of the Year Award in 1996.
- 1996 - 1996
- 1996 ABC Rural Women of the Year Regional Winners, ABC Radio, 1997, http://www.abc.net.au/rural/rwoty/pastwin.htm#96reg
- Brilliant Ideas and Huge Visions: ABC Radio Australian Rural Women of the Year - 1994-1997, Australian Women's Archives Project, 2011, http://www.womenaustralia.info/exhib/rwya/rwya-home.html
- Trove: Costello, Colleen, http://nla.gov.au/nla.party-1476807