During 1912 there were three Dublin sides, with the addition of Tritonville, but, like Derry Olympic and St Columb's Court before them, they lasted just one season.
I 1912 var der tre Dublin-hold i ligaen, efter at Tritonville var blevet optaget, men ligesom Derry Olympic og St Columb's Court overlevede Tritonville kun én sæson i ligaen.