In 1860, North was working as a clerk and interpreter at the Pawnee Agency trading post in Genoa, Nebraska.

In 1864, Major General Samuel R. Curtis approached North to have him organize a company of Pawnee scouts to serve in the Union Army.

He disposed of his interest in 1882, and then joined Buffalo Bill's Wild West show as manager of the American Indians.

[3] North sustained serious injuries (including seven broken ribs) in a horse accident in Hartford, Connecticut in 1884.

[4] As a result of his injuries and the following illness, Frank Joshua North died on March 15, 1885, in Columbus, Platte County, Nebraska.