The purpose of the project was to provide machine-readable economic and social history statistics relating to the whole of Ireland for the period 1821-1971. Further information about the project is available on the QUB Centre for Data Digitisation and Analysis website. The main tables are: Total number of births for the whole of Ireland grouped by gender. Total number of marriages for the whole of Ireland. Total number of deaths grouped by gender and age groups. Total number of deaths grouped by counties (1875-1911). Please note: this study does not include information on named individuals and would therefore not be useful for personal family history research.