The links here were extremely helpful thank you.
I have now been able to determine the date of death for my gt.grandmother 1913
and I know that it was at some point after that when my grandmother and her sister
went to stay at Hollymount. My grandmother was reunited with her father when she
was about 12/13 so her stay in Hollymount would have been between 1913 and 1921.
Although I have yet to confirm this.
Thank you for sharing this information.