Abigail Johanna "Abby" Deveraux DiMera is a fictional character on the NBC soap opera Days of Our Lives and is currently portrayed by Marci Miller. She is the oldest child and only daughter of popular super couple Jack and Jennifer Deveraux. She is the sister of JJ Deveraux. She is one half of the supercouple Chad and Abigail DiMera also known as Chabby. In 2015, Chabby's son, Thomas Jack Deveraux was born. Chad is Abigail's soulmate, the love of her life. She was born onscreen October 19, 1992.