Direct male only line 3rd great-grandson of James has a Y chromosome: I2a1* or in another naming system, I-M438, which as of 2019 is reported by 23andme as I-M26.
His father is purportedly Thomas Higgs of the Maryland area, born about 1780.
His mother is purportedly Amelia Duvall of the Maryland area, born about 1787. His descendants' autosomal DNA match numerous descendants of Mareen Duvall, the immigrant. How Amelia is related to Mareen is uncertain, and she is from the same county in Maryland. In the 1850 Maryland census, Amelia is listed as unable to read or write.
Name: Thomas Higgs Spouse's Name: Amelia Duvall Event Date: Apr 1805 Event Place: Hagerstown, Washington, Maryland Indexing Project (Batch) Number: M71498-1 , System Origin: Maryland-EASy , GS Film number: 859283 , Reference ID: p.78
Thomas HIGGS died before 1850. He was born in Maryland.
Thomas HIGGS and Amelia DUVALL were married on 17 Apr 1805 in Washington County,
Maryland Marriages, 16551850 about Thomas Higgs
Name: Thomas Higgs
Marriage Date: 17 Apr 1805
Spouse: Amelia Duvall
Spouse Gender: Male
County: Washington County Source Information: Dodd, Jordan, Liahona Research, comp.. Maryland Marriages, 16551850 [database online]. Provo, UT, USA: Ancestry.com Operations Inc, 2004. Original data: Most of the records in this index may be found at the Maryland Historical Society or the Family History Library. More specific source information is listed with each entry. Original marriage licenses should be located at the county clerk's office.
James Higgs married Susan Hammond and had several children. One who survived was Thomas Hammond Higgs.
Children may be: Catherine Ann Higgs 1800-1895 Amelia Higgs 1834-Unknown Thomas H Higgs 1836-Unknown Susan Higgs 1838-1844 Frances Elenora Higgs 1841-1846 Anna Maria Higgs 1843-1921 James P Higgs 1845-1895 William Luther Higgs 1849-1850 Wrong Susan Hammond? See other search results for Susan Hammond
Excellent further evidence of this comes from the 1850 Washington county, part of, Washington, Maryland Census:
James Higgs M 42 Maryland Susan Higgs F 41 Maryland Catharine Higgs F 17 Maryland Amelia Higgs F 15 Maryland Thomas Higgs M 13 Maryland Ann Higgs F 6 Maryland James Higgs M 4 Maryland Amelia Higgs F 63 Maryland Mary Hammond F 55 Maryland Household ID: 783 , Line Number: 15 , Affiliate Name: The U.S. National Archives and Records Administration (NARA) , Affiliate Publication Number: M432 , GS Film Number: 443529 , Digital Folder Number: 004199339 , Image Number: 00480
Two of their children are named Thomas and Amelia, and Amelia herself seems to appear as the grandmother still living along with possibly a sister of Susan Hammond.
"Haplogroup I-M438 Migration
Origin: I-M438 diverged from its brother haplogroup about 28,000 years ago. Then, at the end of the Ice Age about 12,000 to 14,000 years ago, I-M438 expanded northward from Doggerland and radiated outward from the Balkans into the eastern half of the continent. Today it is most abundant in eastern Europe and on the Mediterranean island of Sardinia, where it is found in 40% of the male population.
Highlight: Scientists speculate that I-M438 is associated with the ancient civilization of Doggerland. Doggerland, coined a real-life Atlantis, was a civilization in an area that is now covered by the North Sea." -- 23andme
As of 2019, 23andme is reporting this as I-M26 for Higgs line brick wall in c 1780 Maryland, Thomas Higgs who married Amelia Duvall and is citing Doggerland as likely site of ancestry.
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