Henry Judson Hart was born February 12, 1855, in Athens, Bradford County, Pennsylvania.

The 1860 United States census showed Judson Hart (age 5, born in Pennsylvania) living with his parents Lorenzo (age 42, born in New York, farmer) and Louisa (age 33, born in New York) in Roscoe Township, Goodhue County, Minnesota. His other siblings were Stella (age 9, born in Pennsylvania), Francis (age 7, born in Pennsylvania), and John (age 2, born in Minnesota).

The 1865 Minnesota census showed Henry J. Hart living with his parents Lorenzo and Louisa in Pine Island, Minnesota. His other siblings were S. R., F. L., John P., and Litta R.

The 1870 United States census showed Judson Hart (age 15, born in Pennsylvania) living with his parents Lorenzo D. (age 52, born in New York, brick maker) and Louisa (age 46, born in New York) in Pine Island, Minnesota. His other siblings were Frances (age 17, born in Pennsylvania), John (age 12, born in Minnesota), Lydia (age 8, born in Minnesota), and Reuben (age 4, born in Minnesota).

The 1875 Minnesota census showed Judd Hart (age 20, born in Pennsylvania) living with his parents L. D. (age 58, born in New York) and Louisa (age 52, born in New York) in Minneola Township, Goodhue County, Minnesota. His other siblings were Frances L. (age 21, born in Pennsylvania), John (age 16, born in Minnesota), Lydia (age 13, born in Minnesota), and Reuben (age 9, born in Minnesota).

Henry Judson Hart married Melinda Amelia Streeter on January 27, 1877, in Minnesota.

The 1880 United States census showed Judson Hart (age 25, born in Pennsylvania, brick manufacturer) married to Melinda A. (age 20, born in New York) and living in Pine Island, Minnesota. Judson lived with his parents Lorenzo D. (age 64, born in New York, brickyard worker) and Louisa (age 57, born in New York), his step-daughter Pearl L. (age 8 months, born in Minnesota), his brother John P. (age 21, born in Minnesota, brick manufacturer), and his brother Reuben L. (age 14, born in Minnesota, brickyard worker).

The 1885 Minnesota census showed H. J. Hart (age 30, born in Pennsylvania) married to M. A. (age 25, born in New York) and living in Pine Island, Minnesota. Children Pearl (age 5, born in Minnesota) and Frederic (age 1, born in Minnesota) also lived with the couple. H. J.’s parents L. D. (age 68, born in New York) and Louisa (age 61, born in New York), his brother John P. (age 26, born in Minnesota), John’s wife Sophia (age 25, born in Minnesota), and his brother Reuben (age 19, born in Minnesota) also lived with the couple.

The 1900 United States census showed Henry J. Hart (age 45, born in February 1855 in Pennsylvania, brickyard foreman) married to Amelia (age 44, born in March 1856 in New York) and living in Northfield, Minnesota. Children Fred S. (age 16, born in August 1883 in Minnesota, brick setter), Grover F. (age 12, born in March 1888 in Minnesota), Edwin E. (age 9, born in March 1891 in Minnesota), Sela M. (age 7, born in March 1893 in Minnesota), and Owen S. (age 5, born in March 1895 in Minnesota) also lived with the couple.

H. J. Hart, of Ada, Minn., is prospecting for clay about McIntosh, Minn., with a view of starting a plant. (Clay Record, Clay Record Publishing Company, Chicago, October 28, 1901, Volume XIX, Number 8, Page 24)

H. J. Hart, of Ada, Minn., contemplates establishing a brick plant at McIntosh, Minn. (The Clay Worker, T. A. Randall & Co., Indianapolis, October 1901, Volume XXXVI, Number 4, Page 358)

H. Judson Hart, brickmaker, 318 NW Water, Northfield, Minnesota, 1903. Rice County Minnesota Directory.

The 1905 Minnesota census showed Henry J. Hart (age 50, born in Pennsylvania, brick maker) married to Melinda (age 46, born in New York) and living in McDonaldsville Township, Norman County, Minnesota. Children Grover F. (age 17, born in Minnesota, brick making), Earl E. (age 14, born in Minnesota, brick making), Lela M. (age 12, born in Minnesota), Owen L. (age 10, born in Minnesota), Fred L. (age 22, born in Minnesota, brick maker), and Lena (age 27, born in New York) also lived with the couple.

The 1920 United States census showed H. J. Hart (age 64, born in Pennsylvania, farmer) married to Melinda (age 59, born in New York) and living in New Haven Township, Olmsted County, Minnesota. Henry’s son Earl (age 28, born in Minnesota), Earl’s wife Bertha (age 25, born in Minnesota), and their children Donald (age 5, born in Minnesota), Clifton (age 2, born in North Dakota), and Philis (age 6 months, born in Minnesota) also lived with the couple.

The 1930 United States census showed Henry J. Hart (age 75, born in New York) living in New Haven Township, Olmsted County, Minnesota. Henry lived with his son Earl E. (age 39, born in Minnesota, farmer), Earl’s wife Bertha E. (age 35, born in Minnesota), and their children Lorenzo P. (age 15, born in Minnesota), Clifton E. (age 13, born in North Dakota), and Phyllis M. (age 10, born in Minnesota).

Henry Judson Hart died June 27, 1936, in Olmsted County, Minnesota.