The name Tobin is of Irish origin, derived from the Gaelic word "tobar," meaning "well" or "spring." It first appeared in Ireland during the Middle Ages, around the 12th century, and was originally used as a surname for those living near a well or spring.

One of the earliest recorded instances of the name Tobin can be found in the Annals of the Four Masters, a chronicle of medieval Irish history written in the 17th century. The Annals mention several individuals with the surname Tobin, including Tobin Ó Maoil Chonaire, a notable Irish scholar who lived in the 13th century.

Throughout history, the name Tobin has been associated with various prominent figures. One of the most famous was Theobald Wolfe Tone (1763-1798), an Irish revolutionary leader and one of the founding members of the United Irishmen, a republican revolutionary group that aimed to end British rule in Ireland.

Another notable figure was John Tobin (1770-1804), an English dramatist and novelist who wrote several popular plays, including "The Honeymoon" and "The Curfew." His works were widely acclaimed and performed in theaters across Britain and America during the late 18th and early 19th centuries.

In the 20th century, Tobin Ware (1885-1964) was an American artist and illustrator known for his illustrations in books and magazines, particularly his work for The Saturday Evening Post.

Additionally, Tobin Bell (born 1942) is an American actor best known for his portrayal of the villainous Jigsaw in the "Saw" horror film franchise.

James Tobin (1918-2002) was an American economist who received the Nobel Memorial Prize in Economic Sciences in 1981 for his analysis of financial markets and their relations to consumption, employment, production, and prices.

While the name Tobin has its roots in Ireland, it has been adopted and used in various parts of the world, particularly in English-speaking countries, as a given name for both males and females.