The first mention of the name of the settlement dates from 1142, under the name Túr, and then from 1181 the following written data. The name Istvándi was given to its owner, a member of the Kölcsei clan.
The earliest reference to the settlement's name is from 1142 when it was called Túr; thereafter, in 1181 and subsequent years, there were further written references. The name Istvándi was bestowed upon its owner, who belonged to the Kölcsei family.