Citations:

• [S1130] Walter S. Allerton, A History of the Allerton Family in the United States, 1585 to 1885, and a Genealogy of the Descendants of Isaac Allerton, "Mayflower Pilgrim," Plymouth, Mass., 1620 (Chicago, Ill.: Samuel Waters Allerton, 1900), p. 34 (naming Isaac Allerton as his father).
• [S1130] Walter S. Allerton, A History of the Allerton Family in the United States, above, p. 34 (naming Elizabeth Willoughby as his mother).
• [S1130] Walter S. Allerton, A History of the Allerton Family in the United States, above, p. 34.