In 1988, Feeney started studying acting at Western Australian Academy of Performing Arts (WAAPA), graduating in 1990.
In 2010, she studied a Graduate Certificate in Screenwriting & Directing at Australian Film, Television and Radio School (AFTRS).
Her contract with Neighbours expired during the course of 2007, and she left the show along with Sianoa Smit-McPhee, who played her on-screen daughter Bree Timmins.
[1] Feeney appeared in the movie Mallboy, alongside her Neighbours on-screen husband Brett Swain.
[2] She has appeared in many other Australian television shows, including City Homicide, Rush, Blue Heelers, Dirt Game, Stingers, and Winners & Losers.