He operated a post office from him home Casa Blanca, having been appointed postmaster.

In 1864, he represented Pueblo, Fremont, El Paso, and Huerfano Counties in the State Council of the Territorial legislature.

Doyle died in 1864 and left the property to his wife, Maria De La Cruz Suaso, whom he married in 1844.

[2] The Doyle Settlement is "the site of one of the earliest, non-mining communities established in Colorado."

[3] Northwest of Casa Blanca is a cemetery with "some of the finest carved headstones in Colorado" according to the Pueblo Regional Planning Commission for the Preservation Advisory Committee.

The headstones represent the mixed heritage of the settlement's residents.

[3] Doyle had installed irrigation ditches and farmed 600 acres of the land.