The Toronto-born midfielder penned the new long-term contract just 24 hours after defender Chris Hegarty agreed to extend his stay at Ibrox.
Aird, who turned 18 earlier this month, made his senior debut as a substitute in the 4-1 win over Montrose in September.
His first goal for the Light Blues was the late winner against Queens Park in a 1-0 win at Hampden in December.







