Johan Jeremiassen was born at Kviteseid in Telemark. He was the son of Knut Johan Jeremiassen and Ingeborg Ellse, née Helseth. His father was the manager of Kviteseid Seminar which was in operation from 1819 until 1889. The family moved to Drammen around 1855. 
Johan moved to Kristiania (now Oslo) in the 1860s, where he made a career in manufacturing, and later moved with his wife to her hometown of Porsgrund in 1872 where he became involved in shipping. His brother Herman Jeremiassen moved with him and became a businessperson, as well as mayor.
In 1870 Johan Jeremiassen married Ellen Serine Knudsen (1846–1937), the daughter of ship-owner Christen Knudsen (1813-1888). She was the sister of Jørgen Christian Knudsen and Gunnar Knudsen who operated the shipping company, J.C. og G. Knudsen. 
Jeremiassen was a notable and successful ship-owner. Jeremiassen also was vice mayor of Porsgrund municipality from 1885 to 1888. He additional served as the German consul for Skiensfjorden.In 1885 he took the initiative to establishing Porsgrund Porselænsfabrik. He died four years later during 1889 at 46 years of age.
- Harald Bache Bystrøm. "Johan Jeremiassen". Norsk biografisk leksikon. Retrieved July 1, 2017.
- Porsgrunds Porselænsfabrik 1887-1937, by Chr. Abrahamsen. Hosted by Porsgrunn public library.
- Nutidsbedrift i Porsgrund og omegn by A. L. Coll. Hosted by Porsgrunn public library.
- "Kviteseid Seminar". lokalhistoriewiki.no. Retrieved July 1, 2017.
- Porsgrunds udvikling 1860-1900. Næringsliv by A. L. Coll. Hosted by Porsgrunn public library.
- Porsgrunds mek. Værksted 1857-1957 - Porsgrunn public library.
- "Knudsen (fra Saltrød) (slekt)". Slektshistoriewiki. Archived from the original on July 29, 2017. Retrieved July 1, 2017.
- 1905 - politisk fornying? by Ellen Schrumpf. Hosted by Porsgrunn public library.
- Mats Linder. "Porsgrunds Porselænsfabrik har". Store norske leksikon. Retrieved July 1, 2017.
- Ordførere og viceordførere, by Carl Lund. Hosted by Porsgrunn public library.