However, there are no older records on Imai before a document that mentioned a geographical name referred to as Imai in 1386 was found and it seems that this area was an estate of Kofuku-ji Temple in those days.
しかし、記録にはそう古いものはなく、今井の地名が見えるのは、至徳三年（1386年）に今井の地名が出てきて、この頃は興福寺寺領であったようである。