The 1880 United States census showed John H. Moss (age 22, born in Wisconsin, farm laborer) married to Minnie (age 21, born in Minnesota) and living in Sun Prairie, Wisconsin. John lived with his parents Ira (age 73, born in Connecticut, farmer) and Eliza (age 59, born in New York) and his sister Nellie J. (age 28, born in Wisconsin).

The 1885 Minnesota census showed John H. Moss (age 28, born in Wisconsin) married to Minnie (age 26, born in Minnesota) and living in Dresbach, Minnesota. A son, Herald (age 2, born in Minnesota), also lived with the couple.

The 1900 United States census showed John H. Moss (age 42, born in October 1857 in Wisconsin, mining) married to Minnie M. (age 41, born in October 1858 in Minnesota) and living in Second Township, San Mateo County, California. Children Harold R. (age 17, born in December 1882 in Minnesota) and Dorothy (age 4, born in October 1895 in California) also lived with the couple.

The 1910 United States census showed John H. Moss (age 52, born in Wisconsin, real estate) married to Minnie M. (age 51, born in Minnesota) and living in Palo Alto, California. Children Harold R. (age 27, born in Minnesota) and Dorothy R. (age 14, born in California) also lived with the couple. Jessie B. Dresbach (age 41, born in Minnesota, sister-in-law) also lived with the family.

The 1920 United States census showed John Henry Moss (age 61, born in Wisconsin, contractor and builder) married to Minnesota (age 60, born in Minnesota) and living in Palo Alto, California. The couple lived with their sister-in-law Jessie B. Dresbach (age 52, born in Minnesota).

The 1930 United States census showed John H. Moss (age 72, born in Wisconsin) married to Minnesota M. (age 71, born in Minnesota) and living in Palo Alto, California. The couple lived with their sister-in-law Jessie B. Dresbach (age 64, born in Minnesota).