Young began her lifelong career in television puppetry at CJOH/CTV and CBOT/CBC in Ottawa, notably with Hi Diddle Day (1967–1976) (a show about a female mayor named Gertrude Diddle, in a small town called Crabgrass) and Pencil Box (1977 - 1979).
It was also dubbed in French for Canal Famille and currently streams on the Canada Media Fund's Encore+ on YouTube in both languages.
Young is known for her caricature puppets of public figures such as former Governor-General Adrienne Clarkson, CBC news anchor Peter Mansbridge and hockey commentator Don Cherry, plus many prominent personalities from her hometown of Almonte, Ontario.
They included Basil the Beagle from Hi Diddle Day (1967–1976) and 10 puppets which she created for an adult opera, "Sleeping Rough", written by composer Roddy Ellias and performed for the Ottawa music festival, "Music and Beyond" (2018).
In 1995 Noreen was invested as a Member of the Order of Canada for having "effectively used puppetry to educate children on such crucial issues as safety, nutrition, environmental awareness and addictions.