Adam J. McGinn, of Plymouth, died Tuesday, April 28, following a short illness. He was 40. Born in Weymouth on Dec. 13,1985 to Denise (Cox) McGinn and Brendan McGinn, both of Plymouth, he grew up in Kingston and attended Silver Lake Regional High School. He began his career working with his father at SLT Construction and later continued with him at B&E Excavating. His family and friends remember him for his incredible skill with heavy machinery,…