Amber and Matthew Gaul of Mauston are the parents of a baby boy, Cooper Lee Gaul, born April 5 at Mile Bluff Medical Center in Mauston. He weighed 8 pounds, 7 ounces, and measured 21 inches. Maternal grandparents are Contessa and Chet Clark of Elroy and Tim Marvin of Tomah. Paternal grandparents are Linda and…