Ms. Fierro, 44, of Millstone, died April 16, 2009, at CentraState Medical Center, Freehold Township. Born in Elizabeth, she resided in Rahway, Old Bridge and Aberdeen prior to moving to Millstone five years ago. She was employed as a floor worker with Barnes and Noble, Hamilton, for 13 years. She is survived by her companion, Robert Petner; her mother, Rosemarie Heinz Keats, Miami, Fla.; her father, Victor Hyer, Keyport; a son, Mark Gregor, Fla.; a sister, Marie Louise Hyer, Keansburg; and a brother, Victor David Hyer Jr., Ft. Meyers, Fla. Arrangements were by Day Funeral Home, Keyport. Cremation was private.