Gary K Costello age: 73 Known as: G Costello Related to:Gary Costello, 73 Has lived in:Auburn, MA Fitchburg, MA Irvington, NJ Gary R Costello age: 55 Related to:Brian Murray, 66 Has lived in:Phillipston, MA Nashua, NH Waltham, MA Lowell, MA Gary M Costello age: 83 Related to:Daniel Costello, 49 Michael Costello, 52 Caitlin Costello, 44 Has lived in:Andover, MA Gary K Costello age: 73 Related to:Lindsay Costello, 41 Courtney Costello, 43 Has lived in:Auburn, MA