In 1977 she ran unsuccessfully for the Ontario New Democratic Party in the provincial election in the riding of Ottawa West .
Dewar became an Ottawa alderman for Britannia Ward in 1972 and was elected Deputy Mayor in 1974 , a position she held until 1978 .
In 1977 Dewar ran unsuccessfully for the Ontario New Democratic Party in the provincial election in the riding of Ottawa West .
Dewar became an Ottawa alderman for Britannia Ward in 1972 and was elected Deputy Mayor in 1974 , a position she held until 1978 .