 Original donation ledgers show contributions for the 1910 Mission and Manse (parsonage) buildings from both the Japanese American and European American (referred to as "American Friends") pioneer community from around Orange County.A 1930 history written by Mission clergy, Reverend Kenji Kikuchi, on the official adoption of the Mission as a Church with the Presbyterian U.S.A. notes that the Wintersburg Japanese Mission was known at that time to be "the oldest Japanese church in Southern California".The Church is one of the fourteen missions established with the help of Dr. Ernest Adolphus Sturge, who was tasked to lead the Japanese Mission effort by the Presbyterian Church U.S.A.