Carla Boone

 was Craig Boone's pregnant wife, before she was captured by Caesar's Legion.

When asking around Novac, the player discovers that she was disliked amongst the town, preferring to keep to herself. Manny Vargas says that she was trying to convince Craig to stop being a soldier, and Jeannie May Crawford says that she may have wanted to go to the New Vegas Strip instead of living in Novac.

With a little sleuthing, you can discover that the owner of the Novac motel sold her for a tidy sum of 2,000 caps

Appearances
is only mentioned in Fallout: New Vegas.