MacKellar, Thomas, 1812-1899 (Personal Name)

His The American printer, 1866: t.p. (Thomas MacKellar)

FamilySearch, 5 July 2016 (Thomas Mackellar; born 12 August 1812 in New York; died 29 Dec. 1899 in Philadelphia)

Hymnary.org, 5 July 2016 (Thomas MacKellar; born in New York August 12, 1812; became a printer at age 14, joining Harper Brothers; in 1833 moved to Philadelphia and joined typefoundry Johnson & Smith, as a proofreader; eventually became a partner in the firm, which became known as Mackellar, Smiths and Jordan, typefounders of Philadelphia; publisher of The American printer (1866) and numerous books of poetry; wrote hyms)