Jóhann Gunnar Hall was born in Gimli, Manitoba on March 12, 1877.
Spouse: June 24, 1904 Hosianna Guðbjörg Jósefsdóttir b. September 22, 1883, d. September 2, 1956.
Children: 1. Jósef (Joseph) b. April 5, 1905 2. May Jessie b. June 21, 1906 3. Ingibjörg Sigríður b. January 9, 1908 4. Karólína (Caroline) Valgerður b. September 5, 1909 5. Ethel Rósalind b. September 12, 1912 6. Edward Jóhann b. February 13, 1916 7. William Jónas b. January 29, 1918 8. Björn Ólafur b. March 13, 1920 9. Pauline Thelma b. February 1, 1924 10. Jón (John) Wilmar b. April 4, 1926 11. Lillian Hosianna b. April 14, 1927. They also had a foster-daughter: 1. Elvina Ellen b. January 8, 1896.
Jóhann was the son of Jónas Hall and Sigríður Herdís Kristjánsdóttir, pioneers in the Garðar Settlement in N. Dakota. Hosianna was the daughter of Jósep Sigvaldason and Ingibjörg Sigurðardóttir who settled in the Garðar Settlement in N. Dakota in 1883. Jóhann was a blacksmith, but in 1904 he began farming in the Garðar Settlement.