Aside from those Mononobe clan living in the capital like the Isonokami clan, a historical record is left that a person calling himself Mononobe was appointed to the regional officer in Tohoku region of ancient times.
石上氏等中央の物部氏族とは別に、古代東北地方などに物部氏を名乗る人物が地方官に任ぜられている記録がある。