Brothers William, Thomas Leonard & Peter DIXON left Lachute, Quebec and arrived in Mendocino County early 1900's. Their sister May arrived about 1910 and married John SWITZER of Fort Bragg. Peter DIXON and his wife Mary COLQUHOUN had a daughter Margaret born about 1915. Mary died 1916 and Margaret is living with her Aunt May SWITZER (1920 Fort Bragg, Mendocino County census). What happened to Margaret DIXON?