How many counties in Ulster have won the All-Irelands?

Answer:
Six counties have won the All-Ireland Senior Football championship.

Cavan. (1933, 1935, 1947, 1948, 1952).
Down. (1960, 1961,1968,1991,1994).
Donegal. (1992).
Derry. (1993).
Armagh. (2002).
Tyrone. (2003, 2005, 2008).

No Ulster team has won the All-Ireland Senior Hurling championship.

First answer by Flukey. Last edit by Flukey. Contributor trust: 714 [recommend contributor recommended]. Question popularity: 4 [recommend question].