According to Gertrude M. Slater Graf, daughter of Kate Josephine Johnson Slater, Kate Josephine Johnson was adopted. =============================== The 1860 census - Iowa, Jones County, Clay Twp, has this family group of 4: Sarah A Randall - 59 - born in N.Y.- Head of Household- Farmer (born in New York) Harriet A Randall -22 - born in N.Y. (born in New York) Kate J. Johnson - 4 - born in Iowa Peter Potter - 26 - born in Ohio (Farm Tennent) ==================== 1910 census - Indiana Kate's mother was born in Iowa and her father was born in Maryland.