We've received your question/inquiry and are looking into it. In the meantime, maybe a community member will be able to help.
Thank you for your recent inquiry. You may find the answer you seek by searching the National Archives Census records, more information is available at https://www.archives.gov/research/census. You may also find information about Mr. Trego at Family Search, accessible at https://familysearch.org/. Records specific to your inquiry are likely in the custody of the Textual Archives Division of the National Archives, which may be contacted at National Archives at Washington, DC - Textual Reference (RDT1), by phone at 202-357-5385 or via email at Archives1reference@nara.gov.
Electronic Records Reference Branch (RDER)
The National Archives also has a webpage that outlines our Resources for Genealogists and Family Historians | National Archives. You might find some helpful information there.
Good luck with your search!