British actress Lily James (Lily Chloe Ninette Thomson) is playing Pamela Anderson Lee in the Pam & Tommy movie and has appeared in other TV and movie productions (Downton Abbey, Baby Driver, Rebecca, etc.).
Her American grandmother Helen V. Horton, also an actress, is found on p. 470 of the following genealogy, which traces the patrilineal Horton line for 7 or 8 generations back to Thomas-1 Horton of Milton & Rehoboth, Mass.:
https://archive.org/details/thomashortonofmi02jenk/page/470/mode/2up
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