Late to the party, but got a story.
Ever since I could remember, I've owned an old rosary. It says (not inserting real name, of course) "Initial. Initial. Lastname 1887-1953" From the story I was told, it belonged to my paternal grandmother's best friend, and she kept it when he died. She in turn died 4 years to the exact minute before I was born.
The strange things started when I was tiny. I could clearly see and converse with a short, plump smiling woman with glasses and a tall dark haired man with a sad smile. I was nearly 10 years old before my father showed me pictures of these two people: his mother and her best friend who had been in the military. Both of them died before I was born. From what I gathered from the rest of the family, my dad's father was a cruel man who liked to threaten his children, and my mother's friend got between them a lot to protect the kids.
Fast forward into the future. I'm 24 and engaged to a wonderful girl. I'm still living at home for legal reasons (dad is a college prof so I get a TON of \$ off for school if I live at home. But I pay rent and everything because it feels wrong not to.) My fiancee is hanging out in my bedroom while I do something for dad, and when I return she asks me if I have an uncle visiting and she thought that all of my uncles were blonde, but this guy was dark haired. I sit her down and tell her the story of my grandmother and her friend, and show her the rosary. Without even flipping it over to show her the name, she says his name. She had never seen the rosary before, and knew his name...and it wasn't even a common name.
Fast forward to present. My now wife (the fiancee of the time) and I have a roommate living with us as she tries to get on her feet after getting away from her abusive family. Immediately things start happening in the apt that to us are normal...but not to my roommate. My roommate starts flipping out to me and wife about lights turning themselves off when she leaves the room, the sink draining itself when she's trying to soak dishes, doors closing behind her and her misplacing things only to find them organized later.
My wife and I sort of smile like we're sharing a private joke and my wife says "He's always hated messes" before going back to her computer. About 3-4 months in, my roommate comes out of her bedroom terrified because she saw a tall figure standing in the doorway of her bathroom before the light suddenly turned out. I went in to see what she was talking about, and found water all over the floor with her hair dryer lying in it. She usually left it plugged in, but at some point in the night a pipe must have burst and flooded the entire bathroom. If she had gone into the bathroom, she would have electrocuted herself. My best guess is knowing that she is terrified of him, my grandmother's friend scared her out of the room in an attempt to keep her safe.
To this day we still see and hear him around the apt, and the rosary has a little place of honor on the shelf.