The name Garry has its origins in the Old English language and is derived from the Old Germanic words "gairu" or "gairu" meaning "spear." It was originally a surname given to those who were skilled in the use of spears or who were spearmen by profession.

In the Middle Ages, the name Garry was popular among the Anglo-Saxon and Norman populations of England. It was often spelled as "Gery," "Gerri," or "Garre" during this time period. The name was also found in various ancient texts and records from the 9th to 11th centuries, including the Domesday Book, which was a survey of land ownership in England commissioned by William the Conqueror in 1086.

One of the earliest recorded examples of the name Garry is Gerard of Cremona, an Italian translator and scholar born in 1114. He is known for his translations of many important Arabic scientific works into Latin, including the works of Aristotle and Ptolemy.

Another notable figure with the name Garry was Gerardus Mercator, a Flemish cartographer born in 1512. He is famous for creating the Mercator projection, which is a cylindrical map projection that became a standard for navigation and mapmaking.

In the 16th century, Sir Garret Moore, an Irish soldier and statesman born in 1560, played a significant role in the Tudor conquest of Ireland. He served as Lord Deputy of Ireland and was instrumental in establishing English rule in the country.

During the 17th century, Gérard Desargues, a French mathematician and engineer born in 1591, made important contributions to the field of projective geometry. He is regarded as one of the founders of modern projective geometry.

In the 20th century, Garry Kasparov, a Russian chess grandmaster born in 1963, is widely considered one of the greatest chess players of all time. He was the world chess champion from 1985 to 2000 and is known for his aggressive and attacking style of play.