Man, that sounds insanely creepy. Ever thought it could be something other than pipes? Like ventilation or even critters? Houses make noise but whispering your name, damn. Maybe it’s time for a smudging session, you know, burn some sage, cleanse the place? Either that or a proper ghost hunter could …
**DON'T IGNORE THIS.** Have you tried recording the noises? Could be something...*unnatural*. Maybe set up a camera too? Stay safe and keep us posted.