Katelyn Yeager Poffinberger and Aaron Matthew Poffinberger of Winchester, Va., announce the birth of a son, born at 6:02 p.m. May 7, 2012, in Winchester Medical Center. The infant weighed 7 pounds, 10 ounces, measured 21 inches and has been named Mason Chandler Poffinberger. The mother is the former Katelyn Yeager. Maternal grandparents are John and Amy Yeager of Elkins. Paternal grandparents are Terry Poffinberger of Middletown, Md., and the late Karen Poffinberger. Maternal great-grandparents are Sterling and Zelma Yeager of Elkins and Doris Harner of Elkins and the late Del Roy Harner. Paternal great-grandparents are Eugene and Gladys Poffinberger of Middletown, Md., and Joyce Hubble of New Market, Md., and the late Winton Hubble.