Charles Jackson was a graduate of Harvard College, read law with Theophilus Parsons, and was the father-in-law of Dr. Oliver Wendell Holmes.
From the description of Travel diary, 1823-1824. (Harvard Law School Library). WorldCat record id: 235147013
Jackson (A.B. 1793) started practicing law in 1796, and was a member of the Massachusetts Supreme Court, 1813-1824.
From the description of Notes : concerning civil and criminal laws : manuscript, 1795. (Harvard University). WorldCat record id: 612849062