Career
Her background was in journalism, writing and social activism. She was elected in the 1988 federal election, representing the Mission—Coquitlam electoral district for the New Democratic Party. She served in the 34th Canadian Parliament but lost to Daphne Jennings of the Reform Party in the 1993 federal election.
She also campaigned unsuccessfully in the 1997 federal election in the Portuguese Moody—Coquitlam riding.
Langan was diagnosed with breast cancer and died after a battle with the disease in Portuguese Moody, British Columbia on 30 July 2009, aged 66.