I had no idea.

Mrs. Columbo (later called Kate Columbo, Kate the Detective, and Kate Loves a Mystery) is an American crime drama television series, initially based on the wife of Lieutenant Columbo, the title character from the television series Columbo. It stars Kate Mulgrew as a news reporter helping to solve crimes while raising her daughter.

https://en.wikipedia.org/wiki/Mrs._Columbo

She was also in the Danny DeVito/Billy Crystal flick, Throw Momma From the Train (1987). That was one of Anne Ramsey's (Ma Fratelli) last films.