Daughter of Mary Thompson King. Sister of Harriet and Ellen King.
Marcia King was First Assistant to James Baxter from at least 1865 (first year its listed in the Board of Education reports) until 1880, likely through 1882 so at least fifteen years.
In Jan 1883 she married John Stillwell. Her daughter, also Marcia (Marcia B. Stillwell) went to the Hampton Institute, Montclair Normal School and was a teacher in Camden but died young in 1915.
Board of Education reports 1865, 1875 1878, 1880
NJ Death Index
“Montclair Normal to Graduate 133” Newark News Jun 5, 1913