[1] He was as an early Monterey pioneer businessman, real estate developer, and visionary of the short-lived Carmel City.

In 1889, he wanted to build a Catholic summer resort, bought the rights to develop the area, filed a subdivision map, and started selling lots.

[3] His Californio mother, Josefa Romero,[4] was the daughter of José Figueroa[5] the Mexican Governor of Alta California from 1833 to 1835.

[10] In July 1890, he made an unsuccessful run for the Republican Party's nomination to the California State Assembly from Monterey County.

[15][2][16][17][3] On February 18, 1888, Escolle signed an agreement to sell 324 acres (131 ha) to Duckworth and his brother with the intention of dividing it into town lots.

[18][16][19][20]: p4 In March 1888, Duckworth authorized W. C. Little, of Monterey, to survey the Carmel property and write down a subdivision map of the townsite with 135 blocks divided into four tracks.

[11] Duckworth died of typhoid fever in Tucson Arizona on June 28, 1930, at the age of 68, at the St. Mary's hospital.