Mark A Callahan age: 69 Known as: Marka Callahan Mark A Callhan Related to:Erin Callahan, 27 Has lived in:Cambridge, MA Edgartown, MA West Hartford, CT Mark D Callahan age: 68 Related to:Ellen Schwarz, 74 Has lived in:Newington, CT Hartford, CT Rocky Hill, CT Farmington, CT Mark E Callahan Deceased Related to:Jennifer Norman, 50 Irene Callahan, 72 Has lived in:East Hartford, CT Hartford, CT Akron, OH