First woman elected to Parliament:    
Countess Constance Markievicz

First woman MP to take her seat:
Viscountess Nancy Astor

First Conservative woman MP:    
Viscountess Nancy Astor

First Liberal woman MP:
Margaret Wintringham

First British-born woman MP:
Margaret Wintringham

First Labour woman to be elected:
Susan Lawrence MP

First Labour women to take the oath:
Dorothea Jewson MP

First woman minister:
Margaret Bonfield MP

First woman cabinet minister:
Margaret Bonfield MP

First woman whip:
Harriet Slater MP

First woman speaker:
Betty Boothroyd MP

First woman PM:
Margaet Thatcher MP

First 100 woman elected in one election:
1997 election when 101 Labour women MPs were elected as part of the record 120 women to be elected to Parliament that night.