Matthew Crawley dies in a car crash on Downton Abbey after the birth of his son, in the Season 3 Christmas special. The show killed him off because actor Dan Stevens left the series, and the creators said a sudden accident was the most believable exit.

What happened

  • Matthew and Mary have just welcomed their baby boy.
  • On the drive back to Downton, Matthew is involved in a fatal car accident.
  • The death is sudden and meant to be shocking, which is why it hit viewers so hard.

Why it mattered

Matthew’s death became one of the show’s biggest turning points because it changed Mary’s storyline and the direction of the whole Crawley family. Fans still talk about it as one of the most memorable exits in the series.

In one line

He was killed off in a tragic car crash after the birth of his child, mainly because Dan Stevens chose to leave the show.

TL;DR: Matthew Crawley dies in a car accident in the Season 3 Christmas special, shortly after becoming a father.