By accident I found a super site that shows the world wide distribution of forenames/given names, surnames, including their origins and their meanings.
Another site that references it describes it as a black hole in that you can lose days on it.
I've an unusual name, the only British national with the name, the only resident of France. And one of only less than 400 worldwide.
Its www.forebears.io, and is completely free;
Have fun