In 1973, Killester BC entered a men’s team into the Irish National League for the competition’s inaugural season. Between 1975 and 1977, Killester won three championships in a row. In 1978, a women’s competition was established, and a Killester women’s side won the competition’s first two titles.
Since 2001, the Killester men have won five championships and four National Cups, with the most recent title being the 2019 National Cup. The women have won National Cup titles in 2002, 2005, 2020 and most recently in 2023.