It took place in June, with 35 teams taking part: 33 county teams plus Scotland and Wales.
Warwickshire Women won the Twenty20 Cup, as winners of Division 1, therefore achieving their first title.
The tournament followed the 50-over 2019 Women's County Championship, and was subsequently followed by the Twenty20 2019 Women's Cricket Super League, competed for by regional teams.
Teams played matches within a series of divisions with the winners of the top division being crowned the Champions.
The championship works on a points system with positions within the divisions being based on the total points.