Fitzpatrick helped his brothers manage the land they owned on the Alabama River and served as deputy under the first sheriff of Autauga County.

[1] Fitzpatrick studied law and was admitted to the bar in 1821, commencing practice in Montgomery, Alabama.

Fitzpatrick served as solicitor of the Montgomery circuit from 1822 to 1823 but moved to his plantation in Autauga County in 1829.

Fitzpatrick did not take a particularly active role in the politics of the Confederacy, although he served as president of the constitutional convention of Alabama in 1865.

Their marriage resulted in multiple children, Elmore J., Morris, Phillips, James M., and John A., with Sarah dying in 1839.