Perhaps if you determine whether it's a red or white mulberry you can make a more educated decision. The environmental folks in Pennsylvania aren't too keen about the white variety, love the red.
https://weconservepa.org/blog/...
Here's another informative article relevant to PA
https://elibrary.dcnr.pa.gov/P...
One more consideration: do those power lines visible in the first picture cross over the tree? Mulberries I've known get very big.
