He was succeeded by his daughter, the twenty-fourth chief of the clan, Marjorie Maclachlan of Maclachlan. Under her the Clan Maclachlan Society was formed in 1979, and on her death in 1996, she was succeeded by her eldest son Euan John Maclachlan of Maclachlan, Chief of Clan Maclachlan, 25th of Maclachlan and Baron of Strathlachlan, who is a member of the Standing Council of Scottish Chiefs.
He was succeeded by his daughter, the twenty-fourth chief of the clan, Marjorie Maclachlan of Maclachlan. Under her the Clan Maclachlan Society was formed in 1979, and on her death in 1996, she was succeeded by her eldest son Euan John Maclachlan of Maclachlan, Chief of Clan Maclachlan, 25th of Maclachlan and Baron of Strathlachlan, who is a member of the Standing Council of Scottish Chiefs.