Cameron was born in Middleton, Pennsylvania (located in Dauphin County) to Simon Cameron and the former Margaret Brua. One of several children, he attended [[Princeton University]], where he graduated in 1852 and proceeded to receive a graduate degree three years later. Afterwards, Cameron became a cashier and bank clerk in Middleton for some period of time.<ref name=nytobit/>
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Cameron was born in Middleton, Pennsylvania (located in Dauphin County) to Simon Cameron and the former Margaret Brua. One of several children, he attended the College of New Jersey (known today as [[Princeton University]]),<ref name=explorepabio>[https://explorepahistory.com/hmarker.php?markerId=1-A-3AF J. Donald Cameron Historical Marker]. ''ExplorePAhistory.com''. Retrieved December 21, 2021.</ref> where he graduated in 1852 and proceeded to receive a graduate degree three years later. Afterwards, Cameron became a cashier and bank clerk in Middleton for some period of time.<ref name=nytobit/>
From 1866 to 1874, Cameron was the president of the Pennsylvania Northern Central Railroad Company.
From 1866 to 1874, Cameron was the president of the Pennsylvania Northern Central Railroad Company.