Laurie (nee Mendel) and William Hart of Merion Station, along with big sister Mackenzie and big brother Jackson, announce the first birthday of their daughter and sister, Abigail Grace Hart, born July 8, 2010.

Sharing in their happiness are grandparents Albert and Gladys Mendel of Bala Cynwyd, Pa., and Ventnor, N.J.; and grandmother Justina Hart of Freehold, N.J.

Joining in the celebration are Aunt Tina, Aunt Katie and Uncle Bob, and Aunt Loretta and Uncle Sean, along with cousins Erin, Kayla, Bryan, Thomas, Kyle and Ryan.

Abigail is named from the Hebrew meaning of father's joy.