She was best known for her portrayal of Hyacinth Bucket ("It's pronounced Bouquet") on the British TV show Keeping Up Appearnces, which runs on some PBS outlets in the US.
variety.com
Patricia Routledge, British Sitcom Icon and Star of ‘Keeping Up Appearances,’ Dies at 96
Patricia Routledge, the star of beloved British sitcom Keeping Up Appearances where she played snobbish social climber Hyacinth Bucket, has died