Angus 1895 ... those are a cross between a columnar English oak and a white oak ... some are known as a Crimson Spire. I have a group of 8 that kept all their leaves last 2 winters ... unusual
Bluestone ... beyond the F1 hybrid, the offspring may be columnar or you may occasionally get a reversion to the non-columnar parent (swo or Eo) .... I've got a couple of examples at one property; I'll try to
get photos by next week (travel this week)