The result was delete. ♠PMC♠ (talk) 04:48, 10 May 2021 (UTC)
[Hide this box] New to Articles for deletion (AfD)? Read these primers!
This does not appear to be a notable location. Ramsay says Many years ago John Riley ran a store "and kept the post office." as the sole description of Rileysburg. This old newspaper article says Mr. Riley was postmaster at his farm, known as Rileysburg, until the post office was discontinued, after which the Rileys opened a grocery store. Snippet view of this calls it a post office.
I will note that I did find a couple instances of people being "from Rileysburg" and a statement that the Rileysburg P.O. served 59 people. However, the (fairly trivial) coverage seems to suggest that the statements of people being from Rileysburg or served by the P.O. reflect Rileysburg being a pre-RFD rural route P.O., especially since there's a newspaper mention stating that the Rileysburg P.O. was discontinued because of a RFD route out of Clark. Hog Farm Talk 03:23, 3 May 2021 (UTC)