Oddly, this source shows a Ralph Earle arriving in Boston in 1634, which differs from the Overview suggesting William likely immigrated with his father in 1638. Perhaps this source doesn't measure up to another, more respected volume RE colonial immigrants.
VIRKUS, FREDERICK A., editor. Immigrant Ancestors: A List of 2,500 Immigrants to America before 1750. Baltimore: Genealogical Publishing Co., 1964. 75p. Repr. 1986.
