The Halloween tradition popular in America has its roots in Scotland, according to historical records. The custom, which involved dressing in costumes to ward off spirits, dates back to the 16th century. This practice was part of a festival known as Samhain, which marked the end of the harvest season and the beginning of winter.

Samhain was believed to be a time when the boundary between the living and the dead was thin, allowing spirits to walk among the living. To protect themselves, people would wear masks and costumes to confuse or scare away malevolent spirits. This tradition was later brought to America by Scottish and Irish immigrants in the 19th century.

The Scottish influence on Halloween is significant, as it contributed to the development of the holiday as it is known today. While American Halloween has evolved to include elements such as trick-or-treating and costume parties, its origins lie in ancient Scottish customs. The connection between Scotland and the modern Halloween celebration highlights the cultural exchange that shaped American traditions.