Thomas Atkinson Sr migrated from England to United States of America.
Thomas Atkinson Sr participated in the American Revolution
Thomas was born in 1720. He passed away in 1784.
There are varying dates for his birth; There are also varying dates and places for his marriage to Martha.
1745 - Arrived in the Americas, his eldest son William born during the voyage. Settled near Baltimore, Maryland with his wife, his newborn son, and five or six sisters.
1753 - Carroll's Adventure, Maryland Plat No. 52, 116 acres held by Thomas Atkinson; Gun Power Manor Estate
1761 - Amount levied by the Sheriff in 1762 for the use of the County: Thomas Atkinson....24 lbs. of tobacco.
1767- Listed as a Tenant in possession of 116 acres of land in Gunpowder Manor for which the annual rental was 1 pound, three shillings and 2 1/2 pence
1772 -Moved to West Virginia and settled on Ten Mile Creek with four sons and four daughters
1775 - Surveyed for Thomas Atkinson Including his actual settlement 1773.
1775 - On the motion of Thos. Atkinson, Ord that "his Mark, a Crop and Slit in the Crop in the Right Ear, and the left Ear slit down and one half Cropt off". 
1775-1776-In the 7th VA Reg. and marched across the mountains to support the cause in eastern VA. 400 acres for his military service
1777 -Built a fort to which his family and neighbors could retreat
1780 -398 1/2 acres, Surveyed Aug 29, 1785 400 acres of Land in Virginia was transferred to Pennsylvania.
1784 -Listed as yeoman (Page 40), Dated: 23 June 1784, Bene: Sons: William; George, Thomas (to get homestead: John;, Mercy Elliott, Eloner Cregcraft, Jean Sargent, Martha, Elizabeth Elliott and 4 grandsons, Acct # A-3-1786
1784- In Maryland, listed as one of 25 Gunpowder Manor tenants in arrears for his 113 `1/2 acres.
↑ Virginia Cert. dated Jan. 8, 1780, Patented Feb. 28, 1780 to Thomas Atkinson "Great Snake" p 6-67.
↑ Early Landowners of Pennsylvania Land Tracts Transferred from Virginia to Pennsylvania Jurisdiction 1779-1780, Sharon Cook MacInnes, Ph.D. PA Archives 3rd Series, Vol. III, p 540, Page 79 of 1780 Original Notebook, Date Ret. Feb 17, 1786
↑ Abstracts of Washington County, Pennsylvania Will Book #1 (1776-1803)
↑ Will Book No. 1, Vol. 1, page 40, Washington County Court House, Washington, Pennsylvania
It may be possible to confirm family relationships with Thomas by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Thomas: