Leinster Senior League [Division I] : League Tables 1919 - 1969
The Leinster Senior League commences in 1919 with eight teams Leinster, Phoenix, Dublin University, RHMS, Pembroke, University College Dublin, Railway Union and Civil Service. Leinster win in the first year and are the most successful side in the first decade, just ahead of Phoenix. By the end of the decade there are still eight teams but Merrion and Clontarf have joined the league and UCD and RHMS dropped out. County Kildare played for four years from 1921 - 1924. League Tables 1919 - 1929.
The 1930s started with Leinster still on top winning the league for eight out of the ten years. By the start of the Second World War there are only six teams in the league - Leinster, Phoenix, Clontarf, Pembroke, Dublin University and Merrion. League Tables 1930 - 1939.
The war years sees new clubs break the stranglehold of Leinster and Phoenix. Merrion win the double in 1940 and Dublin University and Pembroke also win leagues. By the end of the decade Ralway Union have rejoined the league and there is a new club in YMCA. League Tables 1940 - 1949.
During the 1950s the fortunes are reasonably well spread with Leinster and Pembroke taking three league titles, Merrion two and YMCA and Phoenix one each. By the end of the decade the league has also grown to ten teams with the addition of Malahide and Old Belvedere. League Tables 1950 - 1959.
As the first half centrury of the Leinster Senior League draws to a close the old order has finally been overturned with Railway Union, Clontarf, Malahide, YMCA and Dublin University winning titles. The end of the decade, however, is dominated by a resurgent Pembroke side winning three trophies in a row. The league itself has settled down with the same ten teams involved. League Tables 1960 - 1969.
Leinster [Short] League : 1974 - 2009
A short league [sometimes known as the 45 Over League] was introduded in 1974 and continued until 2009. Winners / Runner Up [Short League] 1974 - 2009.
Leinster Senior League [Division I] : League Tables 1970 - 2009
The second fifty years of the Leinster Senior League starts with different clubs winning the competition in the first six years of the 1970s, but by the end of the decade an all star Phoenix team has become dominant. League Tables 1970 - 1979.
The 1980s saw an increase in the league to 13 teams with first Carlisle and then CYM and finally The Hills joining the league. Althought the decade saw the continued dominance of established clubs Leinster and Phoenix, Carlisle adn The Hills also won competitins. League Tables 1980 - 1989.
The start of the decade saw North County promoted to the Senior League. In 1993, after a couple of victories for Clontarf, the league finally divided into two sections on merit. Clontarf continue to dominate while a number of teams swop places beteen Section A and B. Clontarf then get demoted, promoted and win the league again in three years. In 1999 Carlisle CC is disbanded. Going into the Twentieth Century the Section A is made up of Clontarf, Phoenix, The Hills, Pembroke, YMCA, Railway Union and Merrion. League Tables 1990 - 1999
The first decade of the Twentiety First Century saw some more change in the established order with Merrion [for the first time in over 50 years], Pembroke and the The Hills winning leagues and, most significantly, the rise of a new power in North County who came to dominate in the middle years of the decade. League Tables 2000 - 2009.