Dabney Mercer is a a Manhattan socialite, similar to her sister Tinsley Mortimer. Daughter of George Mercer, a former discount carpet salesman and real estate agent, and Dale Mercer, an interior designer. Her father declared Dabney "tough and smart".
Dabney grew up in Richmond, Virginia. She was chosen to lead the Southern debutante when she was a teen. She has been linked to Marc Koch, and other high society members. She now stars in the CW's reality show, High Society.