- Born: Cir 1875, Danville City, Virginia
- Marriage: Nellie E. circa 1910 in Danville City, Virginia
The 1910 Federal Census for Danville City, Pittsylvania Co., Virginia, District 24, page 113A records J. Pemberton (33) and Nellie E. (32) Penn with children Marie A. (9), J. Pemberton Jr. (6), and Kitty F. (1 6/12) living at 912 Main Street (near the intersection with Holbrook Street). Pemberton is a Tobacconist and has been married 10 years.
The 1920 Federal Census for Danville City, Virginia, District 40 records J. Pemberton Penn (44) with his wife, Nellie (42) and children Mary A. (18), J. Pemberton, Jr. (15), and Kitty F. (11) living at 215 West Main. Next door at 221 West Main Street is George R. (43) and Florence T. (40) Penn with children Richard T. (19) and Florence E. (12) Penn. Also in the household is mother-in-law Florence G. (61-Ky) Toomey. Both George and Pemberton are listed as Tobacconist/Leaf Dealer. Pemberton can be found in the 1880 census for Danville as the son of J. G. (34-Tobacco Merchant) and Sallie (28) Penn. Also in that household is mother-in-law Mary Pemberton (50). Pemberton is George R. Penn's 1st cousin, son of James G. and Sallie Pemberton Penn
Pemberton married Nellie E. circa 1910 in Danville City, Virginia. (Nellie E. was born circa 1877 in Virginia.)