We had an “ auntie” Dorothy but known as Dot.
Ellens  were usually  Nellie,
Margarets Maggie  or Peggy,
Gertrudes Gertie,etc.
Never understood why Harold was Hadge.
Dereks were Deks.
Lots of  Lizzies ,Lizas etc.
Sarahs often known Sally .
We had a new Curate at church many years ago and he never knew who was 
who as we spoke of our friends by their maiden names ,which reminds me of the old Lancashire explanation when maiden names were used “ as was”—- then their married name.
Mary Jones as was , 

Viktoria