[1] Born in Missouri, James attended high school in Washington, Connecticut before joining Stephen in Texas in December, 1821.
He went back to Missouri in May 1824 to bring his mother Maria Brown Austin and sister Emily down to Texas but returned the next year without them.
James entered into a partnership with John Austin to participate in the coasting trade and retail, opening a store together in Brazoria, Texas.
He lobbied in Saltillo, the capital of Coahuila and Texas, for the continuance of slavery and succeeded in protecting the ownership of settlers already established.
He named his son Stephen F. Austin Jr. James died on August 14, 1829 in New Orleans of yellow fever.