Hello Noella,
Searching via the Irish Deeds Index is a great idea! I'm so sorry to hear you weren't able to find out more this way.
Did your ancestor die in Dublin, and do you happen to know his or her first name? Before 1864 records were kept in the form of church and parish records, and all the surviving records are in the care of county based
genealogical centres. Have you by any chance reached out to the centre in Dublin yet? They might be able to point you in the right direction.
It is also possible to email the webmaster of the Irish Deeds Index via the
following page, and hopefully they can help you find what you are looking for.
Another helpful tool is the
Irish Ancestors Map, where you can find the number and location of households of the name in Ireland 1848-64, a surname map from the 1850s, showing numbers and locations throughout Ireland and much more. Maybe there is some information there that might come in handy as well.
I hope this was helpful, and that some of our genealogy experts will be able to provide you with more tips, ideas and suggestions for your research.
Warm regards,
Melin