Hi Erin, I live in ACT and would be happy to go to Gungahlin cemetery for you but I am not sure they have the information you want. I did a quick look at the cemetery information.
Lynne
see below
http://www.canberracemeteries.com.au/grave-searchGORDON, ALEXANDER Gungahlin Sunday, April 25, 1982 Tuesday, April 27, 1982 PB-06-06-00-063
GORDON, DAVID KIERAN (BABY) Gungahlin Saturday, September 24, 1994 Tuesday, September 27, 1994 HS-14-01-00-018
GORDON, DOREEN HELEN Gungahlin Unrecorded Wednesday, September 2, 1987 PB-08-05-00-144
GORDON, JEFFREY Gungahlin Saturday, February 9, 1980 Friday, February 15, 1980 PB-05-03-00-038
GORDON, MARGARET ROSE Gungahlin Thursday, June 13, 1985 Tuesday, June 18, 1985 PB-08-03-00-196
GORDON, SABRINA MARIE Gungahlin Unrecorded Friday, December 15, 1995 HS-14-01-00-018