Having joined the Communist Party in 1951, Margaret Rose become the long-term Area Secretary in Aberdeen, for much of the time as a part-time worker.
She was especially devoted to building Communist Party membership through election campaigns with a focus on detail. One of the strongest votes secured locally was by A L Smith in Cairncry ward with 552 votes.
The Aberdeen Party contested 9 out of 12 vacancies in the 1967 municipal elections and made 23 new members from the campaign. 19 of these recruits were from St. Machar Ward, where a concentrated canvass was carried out in two areas in the ward. Maragaret Rose was a frequent during the 1960s in this ward.
In 1966 and in 1970 she was the Communist parliamentary candidate at the General Election in the Aberdeen North constituency.
Rose was for much of this period a member of the Secretariat of the Scottish Committee of the Party.
She was also active as a member of the Committee for Peace in Vietnam.
In British TUC week that year, she reported that two members in Aberdeen shipyards, Don Martin and Jimmy McArtney, had sold 26 Morning Stars every day. The “transport comrades, who always do a good job with the paper, took seven extra every day”.