The fonds consists of documents and letters accumulated during the course of Griffin's legal career, including: dockets of the firm Griffin & Sewell, 1833-1875; legal notes by Griffin concerning wills, sales, and mortgages 1850-1876; legal documents of property transfers and marriage contracts 1826-1860; and notes on marine insurance in the St Lawrence 1843-1848. There are as well two notebooks of legal definitions, dating from approximately 1860.