After a few years the two (with one child) traveled to Hawaii in February 1865. They had a total of nine surviving children. Young had operated a small foundry and machine shop in Hilo, Hawaii with William Lidgate, and business expanded with the growth of sugarcane plantations.
He moved to Honolulu around 1869 and bought out Thomas Hughes" share of the Honolulu Iron Works.
In 1875 Theophilus Harris Davies refinanced the Honolulu Iron Works and hired Young as manager. The two then organized the Waiakea Mill Company.
Around 1900 he formed the von Hamm-Young Company. An early project was the Alexander Young Hotel.
In 1887 he became a citizen of the Kingdom of Hawaii, and from 1887-1892 served in the House of Nobles.
After the 1893 overthrow of the Kingdom of Hawaii, he served on an advisory council for the provisional Government of Hawaii. From October 27, 1899 to May 18, 1900 he served as Minister of the Interior until the Territory of Hawaii government was established. After Young"s death July 2, 1910 and Archibald"s in 1925, von Hamm took over the business.
lieutenant expanded to include automobile dealerships in the 1920s and other businesses.
In 1964 it was renamed "The Hawaii Corporation". After von Hamm"s death in 1965 the company eventually liquidated in one of Hawaii"s first large bankruptcy cases.