Stubbs died Thursday at her home in Edinburgh, according to a statement from her family tothe BBC.
Her longtime agent Rebecca Blond added that the actress had been ill for a few months.
She then went on to star in the popular British sitcomTill Death Us Do Partfrom 1966 to 1975.

Actress Una Stubbs died Aug. 12, 2021 at age 84.Dave Benett/Getty Images
(Before her death, Stubbs was the series' last surviving main cast member.)
I learned everything there."
“But they weren’t exactly career moves.

Una Stubbs as Mrs. Hudson on ‘Sherlock’.© Robert Viglasky/Hartswood Films and BBC Wales for BBC One and MASTERPIECE
Her last major role was as Mrs. Hudson, the title character’s landlady onSherlock, alongsideBenedict Cumberbatch.
“She was a wonderful, wonderful woman and a great and serenely graceful actor.
Mischief was in her blood.
We were so blessed that she became our imperishable Mrs. Hudson.
Goodbye, darling.”
Stubbs married twice, to actors Peter Gilmore and Nicky Henson, and divorced both of them.
She is survived by three sons, Joe and Christian Henson and Jason Gilmore.