1612 in Ireland

Events

• April 10 – a royal charter of King James VI and I creates the City and County of Londonderry, and The Honourable The Irish Society to run the new plantation.
• The town of Roscommon is incorporated.

  Births

• October 20 – Richard Boyle, 1st Earl of Burlington, cavalier and Lord High Treasurer of Ireland
• Edward King, poet

  Deaths

• February 1 – Conor O'Devany, 8th Roman Catholic Bishop of Down and Connor, executed for high treason
• February 1 – Patrick O'Loughran, Roman Catholic priest, executed for high treason.

  Publications

• John Davies – Discoverie of the True Causes why Ireland was never entirely subdued.