Cassandra Lopez, known as “Mama C,” is surrounded by family, friends, and neighbors at Oakland’s annual Mother of Year celebration at the Morcom Rose Garden, Saturday, May 9. Photo by Mateenah Floyd-Okanlawon. By Ken Epstein The City of Oakland recognized Cassandra, “Mama C,” Lopez – parent, teacher, community activist, and justice warrior – as Oakland’s Mother of the Year in a celebration at Oakland’s Morcom Rose Garden on Mother’s Day weekend.