Falling to Ash (Moth #1) by Karen Mahoney

Trapped between two very different worlds, newly made vampire Moth is struggling to find her place in either. Not only does she have to answer to her strict Irish-Catholic Dad, but her overprotective maker, Theo, is intent on making her the star attraction in his powerful Boston vampire clan. Moth will have to pull off the double-act of the century to please both of them. Adding to her problems is the dangerously attractive Jason Murdoch, a trainee vampire hunter who loves to play cat and mouse in his spare time—Jason the cat, and Moth the mouse. But when the young and gorgeous teenagers of Boston's wealthiest families start to disappear, it forces Moth and Jason into an uneasy truce. Will they be able to solve the mystery behind the disappearances before someone winds up undead?