William Thompson, of Tinmouth Castle

Notes

• from http://clanthompson.org/CTF/index.php?topic=366.0;wap2

In the borders you might have to cross into England to find Thomson armigers during that period. I know a Rowland Thompson of Thorpe Market, a decendant of the ancient family associated with Tinmouth castle had his arms confirmed in 1601. The blazon is azure a lion or in a bordure argent.
Oddly enough these Thompsons get their surname from the village of Thompson in Norfolk rather than from anyone named Thomas. So, at least in this case, the name is territorial instead of being a patronymic. The Thompsons in Tinmouth were related to the William de Thomeson family but emigrated from Norfolk to Northumberland sometime between 1186 and 1289. The de Thomeson family ended in the male line with the death of William's son Robert, sometime before 1289, who was survived only by his three daughters.
Source is "Some materials for a history of the parish of Thompson, in the county of Norfolk" (1892) by Crabbe, George, 1819-1884; Jessopp, Augustus, 1823-1914 pages 9 - 10.

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1. The Clayton family.  By Henry F. Hepburn, Esq.  Published 1904 by The Historical Society of Delaware in Wilmington, Del . Written in English. Series: Papers of the Histrical Society of Delaware -- XLI. Page 13. William Thompson of Timouth Castle, Northumberland.
2. An Essay Towards a Topographical History of the County of Norfolk: Thetford ...By Francis Blomefield, Charles Parkin. Page 370.
3. Encyclopedia of Virginia Biography, Under the Editorial ..., Volume 4. edited by Lyon Gardiner Tyler. Page 118.