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.
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There's more on the Eshba'al (Ishba'al) inscription from Khirbet Qeiyafa here, here, here, and here. Cross-file under Epigraphy.