Nielsen Hayden genealogy
Family: Isaac Allerton / Mary Norris (F18189)
m. 4 Nov 1611
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Male
Isaac Allerton
Birth Abt 1587 East Bergholt, Sussex, England 
Death Between 1 Feb 1659 and 12 Feb 1659 New Haven, New Haven, Connecticut 
Burial Marriage 4 Nov 1611 [1, 2] Leiden, Netherlands [1, 2] 
Other Spouse Fear Brewster | F18190 Marriage Bef 1627 Plymouth, Plymouth, Massachusetts 
Other Spouse Joanna Swinnerton | F18191 Marriage Bef 1644 Father Bartholomew Allerton | F18192 Group Sheet Mother Mary | F18192 Group Sheet
Female
Mary Norris
Birth of Newbury, Berkshire, England 
Death 25 Feb 1621 Plymouth, Plymouth, Massachusetts 
Burial Father Mother
Female
+ Remember Allerton
Birth Abt 1615 Leiden, Netherlands 
Death Between 12 Sep 1652 and 22 Oct 1656 Burial Spouse Moses Maverick | F18187 Marriage Bef 6 May 1635 Marblehead, Essex, Massachusetts 
Female
+ Mary Allerton
Birth Abt 1617 Death 28 Nov 1699 Plymouth, Plymouth, Massachusetts 
Burial Spouse Thomas Cushman | F25689 Marriage Abt 1636 Plymouth, Plymouth Colony 
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Sources - [S4249] The Mayflower Migration: Immigrants to Plymouth, 1620 by Robert Charles Anderson. Boston: New England Historic Genealogical Society, 2020.
- [S2710] Mayflower Families Through Five Generations: Volume 17, Family of Isaac Allerton by Robert S. Wakefield and Margaret Harris Stover. Plymouth, Massachusetts: General Society of Mayflower Descendants, 1998.
- [S4249] The Mayflower Migration: Immigrants to Plymouth, 1620 by Robert Charles Anderson. Boston: New England Historic Genealogical Society, 2020.