| Sources |
- [S1210] Ancestry.com, Maryland, U.S., Wills and Probate Records, 1635-1777, (Name: Ancestry.com Operations, Inc. Date:2015 Place:Provo, UT, USA;), 1,9068::0.
- [S780] Robinson, Dierdre, Kaeling, BIrkel, Kellar, Morrissey, Anderson, Butler, Woodward, Rutter, Mayberry---MD, NJ (Sources "Mareen Duvall of Middle Plantation" by Harry Wright Newman, c.1952, reprinted 2000 by Carl P. Brown, Pittsfield, MA).
- [S1322] Hammers, Marian G. Duvall, Some Descendants of Mareen Duvall, The Emigrant, and Allied Names, Cooper, Elliott, Fairlie, Blount, Yates and Piedfort Madisonville, KY, c1984 (quotes "Maryland Heraldic Families 1634/1635").
- [S781] Newman, Harry Wright, Mareen Duvall of Middle Plantation (c1952, reprinted in 2000).
- [S119] Ancestry.com, U.S., Family History Books, (Name: Ancestry.com Operations, Inc.; Location: Lehi, UT, USA; Date: 2025;), Some Descendants of Mareen Duvall, the Emigrant: and Allied Names Cooper, Elliott, Fairlie, Blount, Yates and Piedfort; Author: Hammers, Marian G. Duvall (Marian Georgia Duvall), 1919-.
- [S1325] Ancestry.com, Maryland, U.S., Compiled Marriage Index, 1634-1777, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2012;).
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