Christina (1920-1995) was the daughter of Alexander Macmillan and Christina Macdonald, 18 Laxay and later, 4 Keose Glebe.

In 1946, she married Malcolm Smith of 27 Balallan.  They resided at 27 Balallan before moving to Kincraig in 1952 and later, 41 Milton Park, Aviemore.