The term “old soul” is closely associated with the Michael teachings, a metaphysical belief system that originated in the 1970s. The Michael teachings were channeled through spiritual mediums, who claimed to receive information from a group of discarnate entities known as “Michael” or “the Michael entity.”

According to the Michael teachings, souls progress through different stages of development as they reincarnate and learn various life lessons. One of the key concepts in this system is the idea that souls go through seven stages of soul age: Infant, Baby, Young, Mature, Old, and Transcendental. Each soul age is associated with certain characteristics and experiences. This is where we get the concept of new souls as well