After the 2014 championships, in Gaelic Football, Kerry have 37 All-Ireland Senior titles and in Hurling Kilkenny have 35 All-Ireland Senior Hurling titles. Those are the two highest.
Kilkenny have won the most All-Ireland Senior Hurling titles, holding 36 as of the end of the 2015 championship.
Dublin, with 23 titles, have the second highest total of All-Ireland Senior Football titles.
Kerry have lost 22 All-Ireland senior football finals as of the end of the 2014 All-Ireland championship. This is including the 1910 final which they refused to turn up for due to a dispute they had with the railway company that were to bring them and their supporters to the match. Kilkenny have lost 26 All-Ireland senior Hurling finals as of the end of the 2014 All-Ireland championship.
Yes. They have 5 All-Ireland Senior Hurling titles and 9 All-Ireland Senior Football titles. They would have also got All-Ireland titles in other grades of GAA.
In Hurling, after Kilkenny, Cork have the second most All-Ireland Senior Hurling titles.
Adding together Hurling and Gaelic Football titles won in all grades, Cork would be the most successful county in the GAA. As to which county is the best, that is a question that could be debated by many people.
Cork have 30 All-Ireland Senior Hurling titles.
As of the end of the 2017 championships, Dublin have 27 All-Ireland Senior Football titles and 6 All-Ireland Senior Hurling titles. They also have All-Ireland titles in other grades of Gaelic football and Hurling, as well as titles in Camogie and other Gaelic Games.
They won: 2 All Ireland senior football titles in 1943 and 1944 2 All Ireland Junior football titles in 1940 and 2000 2 All Ireland Under 21 football titles in 1966 and 1978 4 All Ireland Minor football titles in 1939, 1941, 1951 and 2006 1 All Ireland Senior 'B' Hurling title in 1994 2 All Ireland junior hurling titles in 1965 and 1974 1 All Ireland Senior ladies football title in 1978 1 All Ireland Junior ladies football title in 2001
As of the end of the 2013 championships: One All-Ireland Minor title. Two All-Ireland Under 21 titles. Three All-Ireland Senior titles.
Kilkenny is the only county that does not participate in the All-Ireland Football championship.