At the 2010 Auckland elections, Cooper stood for the Citizens & Ratepayers local-body ticket in the Albany ward.
[1] At the 2011 general parliamentary election, Cooper stood as a list-only candidate for the New Zealand National Party.
[4] In 2015 Cooper made controversial remarks on the Auckland Pride Festival Facebook page while defending the attendance of National MPs who voted against gay marriage rights.
A complaint was made with the Auckland Council, and Linda Cooper issued an apology and explained that her use of the word "cock" was to imply that the other user was being a "righteous rooster".
[10] In the 2025 New Year Honours Cooper was appointed a Member of the New Zealand Order of Merit, for services to the community.