Silas

"I ain't taking no chances."

 is a Minor character featured in the Red Dead Redemption Undead Nightmare DLC pack.

Background
 appears in the survivor mission "Curious Tales from Blackwater, USA". He is with a group of survivors and argues with Archibald Andrews over who is the leader. During the argument, Lucille Billinggate is attacked and the rest of the group flees.

Interactions
Marston only speaks with him briefly while Silas is in Blackwater protecting a small group of survivors.

Trivia

 * He is the only character in the cutscene in which he appears whose last name is not given.

Quotes
"Apparently it's worse in New Austin. Must be where it came from."

- Silas speaking of the cause of the plague.