It is known for sponsorship reasons as the TG4 All-Ireland Senior Ladies' Football Championship.
[3][4][5][6] Connacht, Leinster and Ulster each organise their provincial championship.
They play each other in a round-robin phase, with two teams progressing to the final.
The losers of the relegation play-offs play in the 2020 intermediate championship.
Westmeath are relegated to the All-Ireland Intermediate Ladies' Football Championship for 2020.