From First Families within the Provincial Archives of New Brunswick:

http://www.nbgs.ca/firstfamilies/FAMILY-G-2006.pdf

NOTE: First Families is a collection of genealogical information taken from various sources that were periodically submitted to the Provincial Archives of New Brunswick. The information has not been verified against any official records. Since the information in First Families is contributed, it is the responsibility of those who use the information to verify its accuracy.

GILBERT: Perez Gilbert of Freetown, MA,

• b. 1739,
• d. 1816:
• m. (1st) Mary Lester b. 1751 on Staten Island, d. 18 May 1790:
• m. (2nd) Lucretia Bates b. c1750 at Stamford, CT, d. 22 Oct 1835, d/o John Bates and Sarah Bostwick, sister of sheriff Walter Bates of Kingston, Kings County:
• they came to NB in 1783 as Loyalists:
• settled at Gagetown, Queens County:
• only child mentioned was, Hon. Thomas Gilbert born 22 Feb 1792, died 12 Feb 1855 at Gagetown, m. Charlotte Amelia Hewlett born 1795, died Nov 1860 d/o Joseph Hewlett: they had ten children.

Sources:

• Saint John Regional Library: David Russell Jack Bequest: Genealogy, microfilm reel F109, page 12:
• see also MC80/2902 Sharon Dubeau’s New Brunswick Loyalists: a bicentennial tribute, 1 paragraph.