Ebisugawa 【胡川】3 The Japanese surnames etymology dictionary.
① 大津 surname is present.
② variant of 大和 . Ishikawa-ken Kahoku-gun Tsubata-machi tells me that when I applied for Yamato surname at the Meiji New surname, the official changed the letter as the official refused as the former country name. Yamato pronunciation in tradition. 大和 reference.