Sinsinawa, Wisconsin Sister Susan Ostrowski, OP, died Friday, November 15, 2019, at St. Dominic Villa in Sinsinawa, Wisconsin. Mass of Christian Burial will be 10:30 a.m. Monday, November 18, 2019, at the Sinsinawa Motherhouse. A remembering service will be held there at 6:30 p.m. Sunday, November 17, 2019. In 1954 she was born in Wausau, Wisconsin, the daughter of Rupert and Janet Ostrowski. Her first teaching assignment was at Our Lady of Refuge School, Bronx, NY (1979-1982), followed by two years at Hope Rural School, Indiantown, FL. She taught at Epiphany School, Chicago (1989-1993), before going to California. She taught at St. Peter School, San Francisco; Moreland Notre Dame School, Watsonville; and All Souls School, San Francisco. From 2001-2017 she ministered at Holy Family School, Redwood City, CA. Survivors include her sister, Sharon Ostrowski; her brothers, Michael, Mark and Bruce Ostrowski; and her Dominican Sisters.