James Taylor Mangan, Jr. was born on July 2. He weighed eight pounds even and measured 20 inches long. Now two months old James laughs aloud. His parents are Cindy and Jim Mangan of Broad Channel. Shannon is his helpful big sister. The grandparents are Pat and Steve Colleran and Regina and Joe Mangan. His great grandparents are Kitty and Bob Colleran. All are residents of Roxbury.