Christian was born about 1730 in Airth, Stirlingshire, Scotland, the daughter of unknown parents.
Her husband was George Conachy, who she married in BEF 1748. The place has not been found. Their eight known children were Anne (c1749-?), William (c1750-?), George (c1753-?), Christian (c1755-?), Marion (c1759-?), Mary (c1761-?), Agnes (c1765-?) and Jean (c1768-?).