Can someone (online) find me if he doesn't know my name?

He knows what city I live in, where my mom and dad were born, my birth date etc., but he doesn't know my real name and has never seen my face. Is there a possibility for him to find me?

Updates
+1 y
And unfortunately, we've been talking for months... So he has an obsession over me, which makes me anxious
Can someone (online) find me if he doesn't know my name?
Post Opinion