I wanna say I was looking through bookmarks of mines and found this Chinese Name webpage. It has Chinese Medieval Names. I am posting this because I was interested in it being on the webpage with the years names were used in. I also found another link I saw in the past that might help with this. This link and the other one might have surnames as well.
https://www.peiraeuspubliclibrary.com/names/medievalnames/medievalchina.html Here's the other link. I don't know if there's an open access version. This is a JSTOR link.
https://www.jstor.org/stable/40666560