Peter J Cronin age: 88 Known as: Jr P Cronin Related to:Marina Cronin, 55 Katrina Courtenay, 46 Has lived in:Acton, MA Osterville, MA Allston, MA Quincy, MA Peter M Cronin age: 73 Known as: Pete Cronin Related to:Pauline Cronin, 29 Has lived in:Dorset, VT Sewickley, PA New York, NY Old Saybrook, CT Peter A Cronin age: 55 Known as: Cronin Cronin Peter Cromin Has lived in:Groton, MA Washington, DC Acton, MA Framingham, MA