Peg is an historic and charming given name, often considered a diminutive of Margaret, but also standing independently as a name in its own right. It was particularly popular during the 19th century in English-speaking countries like England and the United States. The name Peg carries a vintage charm and is often associated with simplicity and warmth.
"Peg seems to have been a popular name for newborns during the early to mid-20th century, with a significant peak between 1935 and 1950. After 1960, its usage began to decline, reaching single digits by 1967."