National Library of Ireland, Dublin: Reading Rooms will be closed from Wednesday 24 December until Thursday 1 January 2015 inclusive. Exhibitions will close from Wednesday 24 - Sunday 28 December (incl), reopening from 10am to 4.45pm from Monday 29 - Wednesday 31 December (incl), and then closed on Thursday 1 January 2015. Normal opening hours will resume Friday 2 January.
National Archives of Ireland, Dublin: The Reading Room of the National Archives will be closed from 12.30 on Wednesday 24 December until 9.15 on Monday 29 December. Note: there will be no Genealogy Advisory Service on Christmas Eve. The Reading Room will also be closed on Thursday 1 January, reopening on 2 January.
Representative Church Body Library: The RCB Library will close for Christmas on Tuesday 23 December at 5pm and reopen on Monday 5 January at 9:30am. Please note that it will also be closed on the morning of Wednesday 17 December (opening 2pm) and from 12:30pm on Friday 19 December.
General Register Office, Dublin: The GRO Research Room in Werburgh Street will be closed from 12:30pm on Christmas Eve, Wednesday 24 December, until 9:30am on Monday 29 December. Normal working hours on 30 and 31 December. Closed Thursday 1 January. Reopening with normal hours Friday 2 January 2015.
Dublin City Library & Archive: The Pearse Street Library will close at 8pm on Tuesday 23 December and reopen at 10am on Friday 2 January 2015.
Public Records Office of Northern Ireland (PRONI), Belfast
PRONI will close at 4:45pm on Tuesday 23 December and remain closed until 9:00am on Monday 29 December. Regular hours will operate Monday 29 to Wednesday 31 December inclusive. Closed Thursday 1 January 2015. Reopening 9:00am Friday 2 January. (Note: There will be no late night Thursdays at PRONI until 15 January.)
General Register Office of Northern Ireland (GRONI), Belfast
GRONI's Search Room will be closed on Wednesday 24 December to Friday 26 December inclusive, reopening for normal hours from Monday 29 December. Closed Thursday 1 January and returning to normal schedule from Friday 2 January.
Irish Genealogical Research Society Library, London
The Library, currently operating on Saturday afternoons only from the Society of Genealogists in London, will be closed on the Saturdays 27 December, 3 & 10 January. Normal pattern resumes 1:30pm Saturday 17 January 2015.
Society of Genealogists, London
The Society closes for Christmas at 2pm on Wednesday 24 December and reopens 10am on Tuesday 30 December. It will close at 2pm on Wednesday 31 December for the New Year holiday followed by stocktaking until 10am on Tuesday 13 January 2015.
The National Archives UK, London
TNA will close at 5pm on Tuesday 23 December, reopening Tuesday 30 December and Wednesday 31 December. It will then close on Thursday 1 January, returning to normal schedules on Friday 2 January.