Largely yes. Lennon's father, George and Paul's mother's were all of Irish parentage - Liverpool is close to Ireland and many Irish people have emigrated there. Only Ringo has no close Irish ancestry.
They were English of Irish descent. Basically, they were Enlgish but had Irish blood in them. Many Irish people went to England looking for jobs during the Irish disapora.
I don't know all of the names but these are the important onesJulian and Sean LennonJames McCartneyDahni Harrisonand Zak StarkeyThere are a few more but not as well known
What instuments did all the Beatles play? a great variety of types. A book called Beatles Gear chronicles all the instuments they played throughout their career. But iconic-ally, I would say that...
Well, it would depend on what the Beatles favourite animals were. Like, if John Lennod liked dogs he would probably have 1. If Ringo Star liked fish, he would probably have millions.