Was the proper name Eshbaal—man of Ba’al—banned in Judah after King David’s time? A recent analysis suggests that it was.It does look like it, yes.
Ba’al, meaning lord or master, was a common divine appellative in Canaan and neighboring areas during Biblical periods, most frequently referring to the storm god.
There's more on the Eshba'al (Ishba'al) inscription from Khirbet Qeiyafa here, here, here, and here. Cross-file under Epigraphy.