Do you happen to know if that Lawyer in NY who was a super spreader early on and had a terrible time is Ashkenazi?
He is British, named Steve Walsh. Photo and description of his travels from this Feb. 11 Evening Standard article.
Work(s) for Servomex (mexican?) Gas Analytics firm. Brit National.
He’s a cub scout leader at 3rd Hove St.Leonards in Brighton area, town of Aldrington, and is Church of England (Protestant Anglican). Hove/Brighton not significant (1.7% orle
https://www.standard.co.uk/news/uk/coronavirus-super-spreader-steve-walsh-comment-a4358916.html
The Ashkenazic groupings that have been studied have distinct phenotypes and genetic markers traceable now in the Genome Project, and distinct from other lineage. Markers for high incidence of genetic diseases for example Tay Sachs (also tagged in the St. Lawrence seaway part of Canada, amongst “native” French Canadians ancestry (intermarriage with Ashkenazi is theorized, not fully mapped).
Generally, any Jewish last name that sounds European is going to be Ashkenaz. (Lawrence) Garbuz is an Eastern European name.
There are very few non-Ashkenaz in the US, although there are several pockets.