Interesting numbers.
The GAA have season tickets this season.  These guarantee an All Ireland final ticket if your team reach the final.  They were 75 euro for the first 8 games of national league and championship and a good seat at each game.  You then pay extra for further rounds to the GAA final.  Seems very cheap and a great deal for GAA fans.  
More details here.
http://www.seasonticket.gaa.ie/index.html   
I have the GAA sales season ticket figures as of January 13th approx 6 weeks into an 8 week sales cycle.  There probably was a late surge but despite a limit of 250 there was clearly no urgent demand.  A couple more soldout as the start of their season approached.    
Now allowing for Dublin and Tyrone being a sellout the demand seems much less in many cases than the equivalent LoI club.  I understand from a colleague that Dublin soldout immediately leaving many disapponted.
Now most of those listed below will be playing to huge crowds this summer.  This backs up the theory that so many Irish sports fans are event junkies.
 Gaelic and hurling below.
                                                          
Team---------Tickets sold                                Team---------Tickets Sold
Dublin         Sold Out (250)       Cavan          28             Tipperary      237
Tyrone        Sold Out (250)       Wexford      21             Limerick        128
Mayo          220                       Louth          15             Waterford     109
Kerry          216                       Longford      13             Kilkenny       102
Armagh       176                       Offaly          13             Galway         99
Meath         117                       Wicklow       9              Clare            61
Monaghan   96                         Cork            8              Cork             56
Galway        77                         Carlow         7              Wexford       13
Westmeath 65                         Limerick        7              Dublin          12
Donegal      56                         Leitrim          6              Antrim         3
Roscommon 55                         Sligo            5              Laois            0
Kildare        41                         Antrim          3              Offaly           0
Down         40                         Clare            1
Fermanagh  39                         Kilkenny        0
Laois           34                         London        0
Derry          30                         Tipperary      0
                                              Waterford    0
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