Steve - This is a shot in the dark because the time frame may be too broad, but I thought I''d post it anyway. I just learned that I have a Frederick Harper in my "tree" also and I've been told there were Harpers related to my family in the Revolutionary War, possibly from the Carolinas (info is sparse). This Frederick would be my gr-gr-gr-grandfather. I don't know much about him yet, however, he probably wasn't born early enough to be the one you mentioned (although he could be a son or something). Anyway, "my" Frederick's son, Andrew Jackson Harper (my gr-gr-grandfather) was born in 1857. I don't know where he was born, but he died in Benton Kentucky (Marshall Co). My gr-grandfather, Rev. Hulbert Henry Harper was born in 1884 in Graves Co. KY (when AJ Harper was 27). If Frederick was 27 when AJ was born, that would put him at a birthdate around 1830. I don't if this will match any info you have, but if Frederick was a family name, it might. Let me know if anything looks promising, I'd love to learn more about this line & would be happy to share what I do have. Happy hunting! - Mike Laws