Lady Mary Crawley marries twice in Downton Abbey. Her first husband is Matthew Crawley, whom she marries after several ups and downs in their relationship, including a poignant proposal at the end of season 2. They have a son named George, but Matthew tragically dies in a car accident shortly after the birth of their child. After Matthew's death, Mary eventually falls in love with and marries Henry Talbot, a race car driver and distant relative of the Earls of Shrewsbury, in season 6. They have a daughter named Caroline. However, in the third Downton Abbey film, it is revealed that Mary and Henry have divorced, adding drama to her storyline.

To summarize:

• First marriage: Matthew Crawley (until his death)
• Second marriage: Henry Talbot (later divorced)

Both marriages are significant parts of Lady Mary's story arc in the series and films.