Using the 1911 & 1901 census for tracing Irish ancestors
It's the most important digital resource for Irish family history and genealogy!
http://census.nationalarchives.ie/
As one of the main women behind it, Dr Caitríona Crowe, said though, it's a digital copy of the census, not _the_ census.
Here's how to use it!
Step 0 - search your address/townland name in www.townlands.ie and find your place- write down some of these; town, townland name, street & electoral division.