In time, he named his estate "Kinta Kellas" after his home farm "Easter Kellas". Smith went on to own the Kinta Kellas Tin Dredging Company as well. With his fortune made, he returned home to marry his Scottish sweetheart, Agnes, and brought her over to Malaya in 1903. They had a daughter named Helen the following year.
It was used as a setting in the 1999 film Anna and the King and 2000 film Skyline Cruisers.