The cast has been filming the sixth season of Downton Abbey

By Michele Corriston
August 10, 2015 11:50 AM
Gabriel Olsen/Getty

She’s survived a war, her husband’s death and the dowager countess’s withering witticisms, and now, Lady Mary Crawley is saying goodbye for good.

Michelle Dockery has been documenting the Downton Abbey cast and crew filming the British show’s last season, and Monday marks her final day of shooting.

Dockery, 33, posted an Instagram of herself playing with twins Oliver and Zac Barker, who play her character’s son George.

“Today is the last day of what has been the most glorious 6 years of my life. I am so grateful to have been part of this family,” she captioned the snapshot of her tickling one boy and holding the other on her lap. “Thank you to each and every one of you out there for watching.”

Downton Abbey season 6 will air in the United States next winter on PBS.

As the Crawley matriach would say …