Gilbert Burnet was a Scottish philosopher and historian, and Bishop of Salisbury. He was fluent in Dutch, French, Latin, Greek, and Hebrew. Burnet was highly respected as a cleric, a preacher, an academic, a writer and a historian. He was always closely associated with the Whig party, and was one of the few close friends in whom King William III confided.
Gilbert Cope was an American historian and genealogist who authored numerous publications on the history and prominent families of Chester County, Pennsylvania. His magnum opus was the History of Chester County, Pennsylvania, with Genealogical and Biographical Sketches (1881), coauthored with J. Smith Futhey. He collected enormous quantities of historical materials and manuscripts, now held by the Historical Society of Pennsylvania.
Gilbert de la Porrée, also known as Gilbert of Poitiers, Gilbertus Porretanus or Pictaviensis, was a scholastic logician and theologian and Bishop of Poitiers.
Gilbert Delahaye was a Belgian author. He is best known for the Martine books, a series of illustrated children's stories he prepared with artist Marcel Marlier.
Gilbert Frankau was a popular British novelist. He was known also for verse, including a number of verse novels, and short stories.
He was born in London into a Jewish family but was baptised as an Anglican at the age of 13. After education at Eton College, he went into the family cigar business and became managing director on his twenty-first birthday, his father, Arthur Frankau, having died in November 1904.
A few months before his death, at sixty-eight, from lung cancer, he converted to Roman Catholicism.
Gilbert Goudie FSAScot (1843–1918) was a Scottish banker, author, antiquary and amateur archaeologist. He was Treasurer of the Society of Antiquaries of Scotland.