Getting calls from this caller to do with saving on my energy bill. The number is 203-272-4751. Ian Williamson, 1129 Waterbury Road, Cheshire, CT 06410, Other names Sebastion, Richard Maher. They are using other numbers too. Having a criminal background check done on Ian Williamson. His age is either 33 or 37. Other in home Stephanie and Susan Williamson. Most likely Ian Williamson has a criminal record in Ct.