If you haven't subscribed to a Horton surname mailing list try this one:
HORTON. A mailing list for the discussion and sharing of information regarding the Horton surname and variations (e.g., Horten, Orton) in any place and at any time. Mailing address for postings is horton-l@rootsweb.com. To subscribe send the word "subscribe" (without the quotes) as the only text in the body of a message to horton-l-request@rootsweb.com (mail mode) or horton-d-request@rootsweb.com (digest mode).