Where can I find a birth record of someone from Ireland in 1700's?

Question

Where can I find a birth record of someone from Ireland in 1700's?

Answer 1

http://www.eneclann.ie/Research/genealog...

will explain clearly the difficulties about the availability of Irish records.   There are some links on the page that might be helpful.

If you can narrow down your search to a county, or town, or even better a parish or townland,  Griffiths Valuation may be a starting point.  Some parish records go back a long time, but you would need to know which parish.  There are some newspapers now on microfilm going back centuries, the National Museum of Ireland (and some local libraries) would be helpful here.