Mateo Fuimaono was born in 1888 in Salani, Upolu, Western Samoa. His wife, Pei'uafealetaua (Peiu) Seiuli was born in Sapapali'i, Savai'i, Western Samoa. They were married in 1913 in Upolu and sealed in the Laie Hawaii Temple in 1959. They were blessed with 16 children, but only 10 lived — three boys and seven girls.
In 1923, the Fuimaonos moved to Mapusaga, American Samoa. Through the missionary efforts of Alisa and Kuka Toelupe, their neighbors, they were baptized in 1925.
As the Fuimaonos progressed in the gospel, they yearned for their posterity to receive the same blessings.