A Republican, she served in the Oregon House of Representatives from 1993 until 1998, and as a Marion County Commissioner from 1999 until 2014.
Milne was elected to the Woodburn School Board in 1988, and to the state House of Representatives in 1992.
[3] In 2014, she ran for the Oregon Senate from district 11, losing to incumbent Democrat Peter Courtney with 45% of the vote.
[4][5][6] In 2016, she ran again for the Oregon House from district 22, losing to Democrat Teresa Alonso Leon with 44% of the vote.
[7] Milne and her husband, Stan, have 3 children: Trevor, Stephanie, and Laura, and two grandchildren.