Hi, There is also a Robert Hamilton age 58 & Sarah age 53 living in South Beaver Twp where Milton is living in 1850. Hamilton, Robert State: Pennsylvania Year:1850 County: Beaver Roll: M432_750 Township: South Beaver Twp Page: 129 Image: 254 Hamilton, Milton J. State: Pennsylvania Year:1850 County: Beaver Roll: M432_750 Township: South Beaver Twp Page: 135 Image: 266 Terry