Seems to be extracted from the blog Stone Cold Truth
The earliest record of her under the keyword barsoomian is a freeper post in January that also relates that the judge who kept nixing Trump’s travel ban, Chuang, is linked to her.
Most likely you are correct that this was at least one if not the source. But that only lends some credence not detract.
Mueller, Rosenstein, and Comey: The Three Amigos from the Deep State - Jun 22, 2017.