I am writing a story i need a last name for Cathy she is brave but scared of her husband what a good last name?

Cathy Longhorn. you did say she lived on a ranch with cows, didn’t you?

What about Cathy Barlow?

How about Simpson or Gibson? ;-)

Bates.

Pacific. :¬)

Ports, Bennett

Braverman (stole that from the show Parenthood, but it came to mind right away)
Lawton

Wiley.

she is was born in the city but now she is living underground

Stuart, which was the last name of Catherine of Aragon (Henry VIII’s first wife) who was brave but scared of her husband. (Her husband eventually had her executed so I guess her fear was justified.