Sumio Madokoro passed away on February 27, 2019, with his loving wife Haruko by his side. Sumio was born in Calexico, California and before retirement was a long-time employee of Ida Co. market, in Little Tokyo, and Granada Market in the Sawtelle District. A private funeral service was held for Sumio on Monday, March 18, 2019, at Evergreen Cemetery in Los Angeles. The service was officiated by Rev. Gyokei Yokoyama, Montebello Sozenji Buddhist Temple.

Sumio was predeceased by his parents Sannosuke (Fukue) and Kikuno Madokoro, brother Toshio (Kazuko) Madokoro and sister Misayo Madokoro. He is survived by his wife, Haruko Madokoro, sister Masako Iijima, brother Keizo (Takae) Madokoro, 7 nephews and nieces, one grand-nephew, one grand-niece and other relatives.