The paper analyses the Irish way of implementation of the structural assistance from the European Social Fund within a context of Ireland`s development strategy. Identification of the factors influencing considerable efficiency and effectiveness of Ireland`s performance is the article`s main focus. The paper begins with a review of the Irish labour market situation and, responding to it, human capital development policy of 1990s. Then, implementation and evaluation of the measures supported by the ESF within a programming period 1994-1999 are examined in detail. Finally, some conclusions and recommendations from the Irish case for Poland are outlined.