Having trained as a nurse prior to her marriage, Lady Baird served as President of the Cowes Branch of the British Red Cross Society.
[1] She joined active service in France and Belgium, first as a trooper, then serjeant, in the First Aid Nursing Yeomanry (FANY).
[1][4] She retained her passion for sailing and acquired one of the first 6-metre yachts, ‘’Thistle’’, built by William Fife & Sons, in 1923, competing in regattas and races.
[6] In 1925, she married Sir Charles Kennedy, a distant cousin of her first husband, who later (after Constance’s death) became the 5th Marquess of Ailsa.
[1][7] Constance was taken ill and died while visiting a cousin, the Canadian politician Alexander McNeill, in Wiarton, Ontario, in November 1931.