Thomas may have been born on 23 April 1834, as that date is given in a Newspaper report for the birth of a son to the lady of William Gilbert Esq of Swords (a Dublin Post town). Dublin Observer 01 March 1834, page 12, image on Find My Past.
A Christopher Gilbert of Barberstown, Post town Swords is listed in 1814 Leet's Directory (2nd Ed., 1814) image on Find My Past
9 May 1860: Married Mary Moore second daughter of the late Godfrey Moore (Dublin solicitor) at St Catherine's Church Dublin. Roscommon & Leitrim Gazette 12 May 1860, page 3, image on Find My Past. Marriage Certificate St. Catherine's Parish Dublin, 9 May 1860, states he was a book keeper living at 5 Middle Patrick Place and father William Gilbert a Gentleman with wife Mary Moore living at 10 Prussia Street and her father being Godfrry Moore a solicitor. Bartholomew Gilbert and William Singleton were witnesses. Marriage certificate image on https://churchrecords.irishgenealogy.ie
Death date from death certificate when of 22 Grosvenor Place, Rathmines, a Gentleman aged 64 and witnessed by his son William Gilbert. Death certificate image viewable for free on https://civilrecords.irishgenealogy.ie. Death reported in Dublin Newspaper Warder and Dublin Weekly Mail on 19 March 1898, page 4, Iage on Find My Past
In 1872 was noted as a member of the Diocesan Synod of Dublin and resident at 33 Kenilworth Square. Belfast News-Letter 27 March 1872 page 4 image on Find My Past
== Research Notes ==Newspaper entry states that on 2 April 1869 a Henrietta Elizabeth Gilbert the eldest daughter of the late William Gilbert of Barberstown county Dublin married Edward Moore third son of the late Godfrey Moore, solicitor of Dublin. Marriage certificate has witness Thomas Bruce Gilbert with Henrietta living at 7 Wharton Terrace, Harold's Cross. Marriage Certificate on https://churchrecords.irishgenealogy.ie
:A William Gilbert died in Dublin at 5 Wharton Terrace, Harold's Cross, South Dublin on 18 Oct 1864 aged 64 and was reported to be the youngest son of the late Christopher Gilbert of Barberstown county Dublin and a brother of Mrs F Reynolds of the parade Kilkenny.
:1820: Christopher Gilbert Junior of Barberstown stood for election to be a Coroner Dublin Evening Post 16 September 1820 page 1, image on Find My Past
:1825: [https://familysearch.org/ark:/61903/3:1:3Q9M-CSJ7-99L8-Q?i=137&cat=185720 Memorial Deed 540146] mentions Jeremiah ([[Gilbert-7839
may be this one]]), Christopher, Bullen, Thomas, John and William Gilbert all of Barberstown.
:1828: [https://familysearch.org/ark:/61903/3:1:3Q9M-CSJW-3BFB?i=295&cat=185720 Memorial Deed 564935] mentions Christopher Gilbert of Barberstown as the heir of Christopher Gilbert of Dublin
:Death notice for a Christopher Gilbert who had died on 2 April 1831 at his residence in Barberstown County Dublin aged 44 Dublin Evening Mail 25 April 1831 page 3, image on Find My Past (assume this is William's brother).
:In 1831, a Christopher Gilbert had died and Francis Reynolds '''(see above in William's death notice)''' and his wife Bridget are mentioned as plaintiffs against Christopher Gilbert and others when a general advert was placed seeking creditors of Christopher to come forward Dublin Evening Packet and Correspondent 29 March 1831. They are also mentioned in 1828 when land at Barberstown in the possession of Christopher and land at Ballybuck, county Dublin in the possession of a Thomas Gilbert are mentioned Saunders's News-Letter 10 December 1828 page 3 image on Find My Past.
Thomas listed as a bookkeeper residing at 5 Middle Patrick place.
I believe this Thomas had a brother named William who moved to New York. I have a letter written from William to Tom and William mentions his son Charlie. So I have come to think that he is the William listed in this census: "United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MZ6L-PLF : 12 August 2016), William Gilbert, New York, New York, New York, United States; citing enumeration district ED 436, sheet 505D, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0888; FHL microfilm 1,254,888.
== Sources ==
|Date of Birth||1834|
|Date of Death||12th Mar 1898|