Hi Sheila I'm not sure that I can be much help from the dates you've estimated. The copies I've just received, via my husband's aunt, are for the 1901 and 1911 census. I only have the 'House and Building Return' for the 1901, which lists the head of house for each of 11 dwellings on the estate. For the 1911 census I have the details of those living in the main house and the 'House and Building Return'. I'll list the names just in case they are any use to you or anyone else on the list but sadly no Plunketts. 1901 census - Daniel McElroy, James Phillips, Dominic McGuirk, Edward Killbride, Laurence Davey, Thomas McGuade, Abraham Martin, Thomas Brady, James Warren, Richard Hynes and William Goulding. All are shown as tennants of Colnl. H. L.Ellis Esq. JP. I think that Daniel McElroy may have been leasing the main house at this time from the numbers on the return. 1911 census - John Webster, Colonel L Ellis, Joseph B Alcock, Richard White, William Bell, Christopher ?wambly?, John Joseph Greaves, Thomas Kavanagh, James Wiseman, William Seabrook all shown as tennants of Colonel L Ellis. Then living in the main house were: Henry Leslie-Ellis - Head, Margaret Leslie-Ellis - Wife, Francis Rolleston Leslie-Ellis - Son, Joan Leslie-Ellis - Daughter, John Lancelot Leslie-Ellis - Son, Charles Stanhope Leslie-Ellis - Son, Herbert ?Reginald? Bree - Boy's Tutor, Edith Sarah Eldred - Children's Governess, Henry William Wilkins - Butler, John Hicks - Coachman, Thomas Mc?uade - Footman, Emily Eliza Head - Nurse, Edith Annie Milligan - Lady's Maid, Janet J???is Beadie - Sewing Maid, Eliza Venn - Housemaid. It is quite difficult to read because I think the copy was reduced in size. There are ages and places of birth etc so if any are of interest let me know. I also have a copy of the details put together for the sale of the estate in 1954 which include some photos and lists of all the different buildings etc. Let me know if you'd like scans of any of this. The dates that you are looking for would have been long before Henry Leslie-Ellis inherited the estate in 1899 on the death of his father Robert Francis Ellis. I'm not sure of the date that Robert settled at SeaPark/Magherymore. He was a JP for Wicklow in1868, so it may be that your Thomas and Sarah lived there prior to Robert settling there. I'm sorry not to have been more help. I'll keep looking if I get any more information. Best wishes Kate