Career
His courtesy title was Izumo-no-kami. Tsugaru Tsuguyasu was the 2nd son of Tsugaru Chikatari, the 1st daimyō of Kuroishi Domain. He became daimyō in 1839, when his adoptive elder brother Tsugaru Yukitsugu was reassigned to take over the administration of Hirosaki Domain.
He died in 1851 at a relatively young age.
His grave is at the clan temple of Jūyō-in in Taitō-ku, Tokyo.