Rockne was born in Harmony, Minnesota, to Norwegian immigrant parents.
Rockne graduated from Decorah Institute, in Decorah, Iowa.
 Rockne received a degree from the University of Minnesota Law School in 1894.
He was admitted to the Bar on June 7, 1894, and practiced as an attorney.

He was married to Susie Albertson on December 10, 1899, and had three children.
Anton J. Rockne was a director and charter member of the Norwegian fraternal organization, Vosselag, at its founding in 1909.
Rockne was born in Harmony, Minnesota, to Norwegian immigrant parents. Rockne graduated from Decorah Institute, in Decorah, Iowa.  Rockne received a degree from the University of Minnesota Law School in 1894. He was admitted to the Bar on June 7, 1894, and practiced as an attorney.
He was married to Susie Albertson on December 10, 1899, and had three children. Anton J. Rockne was a director and charter member of the Norwegian fraternal organization, Vosselag, at its founding in 1909.
Anton J. Rockne