Born in Oakville, Ontario, Sharon Mahoney began her career at the age of ten in a production of Alice In Wonderland. From 1991 to 1992, she studied improvisational acting at Second City, Toronto, and in 1997 joined an improv group called Spilt Milk in Western Canada.

In 1999, she started street performing, and now has an act called Miss Tallulah and the Ladder of Men as well as the passive-aggressive Sharon From Canada.

She has also worked in Australia, where she was part of the all-female sketch comedy show Quanta Costa, before returning to Vancouver to join the stand-up scene there. She was placed in the top three in the 2006 competition Laff Riot Girls.

She also helps instruct boys with behavioural problems in impov, theatre games and circus skills, and has recently moved to the UK and begun performing on the British comedy circuit.