Later, through introductions from friends, Chennault became active in Washington social circles. She was very active in Republican Party affairs, with posts including co-chairman of the Republican National Committee's Finance Committee (1966-1983) and twice chairman of the National Republican Heritage Groups Council.
之後，經過友人的引介，陳香梅開始活躍於華府社交圈，先後擔任共和黨委員長達三十幾年，以及財務委員會執行委員、少數民族委員會主席等職務。