웅도리는 본래 서산군 지곡면 관할이었다가 1914년 행정 구역 개편 때, 대산면에 편입되었다.
Undo-ri was originally under the jurisdiction of Jigok-myeon, Seosan-gun, but was incorporated into Daesan-myeon when the administrative district was reorganized in 1914.