Sorry I posted this to Tim Gruber by mistake so I'll repost it here:
Yes this is my family also.
Harry Henry was the father's name. My great grandfather is #2 Henry. As you see from the 1870 census his wife was Martha and is missing in 1880 with a recent addition to the family of 5 month old Mary.
Sorry, I can't help much but #1 Harry Henry owned a good amount of land on top of Cresson Mountain in Blair county during those years around the 1870 census. Check the tax roles. The old homestead was off to the east of the Lemon House that is now the Portage national RR museum.
There's some secrets in them hills.
Anyways. They moved to Allen township in Washington County and owned Coal Mines.
My great grandfather moved north near Butler then back to the Cresson-Portage area in later life others of the family moved back to the Cresson-Portage and Altoona areas.
Can't help much more as I am searching too. I'll check back if I find anything.
One more small thing. #2 Henry was the father of my Grand father Peter Calvin Walls he and my Grand mother had named their first child Edward but he died young. Perhaps they were close for him to name their first son after his uncle your grandfather; I don't know.