I am seeking living descendants of William MacRae, who was a mason in Stornoway (South Beach Street) , and Alexandrina (Lexy) Murray MacRae (ca. 1818-1866). Their daughter Margaret was my great-grandmother and I have plenty of material on her line, but I am hoping to find descendants of their other two daughters; Mary (born ca. 1842) and Isabella (born ca. 1850). They may have married, but I have no idea of their husbands' names.