Thanks to Chris NeSmith for the identification. Neal Wynn notes that it was designed by architect Peter Dennis. It likely dates to circa 1897-1900.
Stubbs-Register House, Ashburn
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Mr. Stubbs came to Ashburn to work with the Georgia Florida and Southern railroad in supervision, then left to work in Ocilla, but returned as an investor in the Ashburn Department Store, the former store of the Betts-Evans Company.