In 1907, the 2,500-hectare Ruinu estate was split between a son and a daughter. The eastern half was named Mattila after the son-in-law (since 1888) Matti. Both halves had 5 tenant farms that became independent in 1924.
https://astia.narc.fi/uusiastia/viewer/?fileId=5912137592&aineistoId=2517772235