Saishou 【斉正】2 The Japanese surnames etymology dictionary.
① Creation . From the favorable "heavy". Kagoshima-ken Kimotsuki-gun Kimotsuki-chou Tell her that he changed the name from Fujii surname in Warring States Period. 藤井 reference. The heavy gate of the gate division system which was in the Edo period in the same place is estimated from the person's name. First letter surname of Amagi archipelago of Kagoshima-ken .