The ITTF has published World Rankings in the Senior, Under 21, Under 18 and Under 15 age categories. See below for Irish World Ranked players in each category;
Senior Men701 MCCREERY Paul IRL918 MURPHY John IRL 962 MAGUIRE Gavin IRL 1209 ROBINSON Ashley IRL
Senior Women216 LIU Na IRL(pictured)669 MOGEY Amanda IRL 983 GIVAN Ashley IRL
Under 21 Men279 MCCREERY Paul IRL471 MAGUIRE Gavin685 ROBINSON Ashley IRL
Under 21 Women695 GIVAN Ashley IRL
Under 18 Men479 ROBINSON Ashley IRL
Under 18 Women550 GIVAN Ashley IRL