Cory, Tyler, Clint, Brandon, Travis, Wilbur, Cody, Jesse, Kelsey, Alyssa, anything double barreled like Beth-Anne, Mary-Jane, Betty-Lou. All of those are more American in usage, and don't appear much in the UK.
Although the main girls names like Brittany, Chelsea/Chelsey, Ashley, and Courtney, are just as common both sides of the ditch.

G


I am but the ghost of your Willie-O