Sister Cabrini was featured on WTCN in the late sixties with a program on WTCN-11 call Hi Jerry. She was a ventriloquist and she continued her performances long after her program ended.
Jack Kennelly has found some additional information about Mary Cabrini in the years after her show on WTCN
Sister Mary Cabrini performs in 1978
This short article from the Winona Daily News from February 1985 shows her continuing to perform with her puppets.
You can read more about Sister Mary Cabrini here on the Minnesota KidVid site
My thanks to Jack Kennelly for these clippings.