Margaret Ann Fairclough (née Rimmer; 1644 – April 16, 1739) was the 9th great-grandmother of Cometan, classified as one of Cometan’s distant paternal ancestors in the Stringfellow family line. Born in Croston, Lancashire, Ann is known to have married Robert Fairclough (1635 – 1694) and to have given birth to at least one child named William in 1665. The identity of Ann’s mother is unknown although her father is recorded as having been Peter Rimmer. Ann is registered as having reached the age of ninety-five, dying in Burscough, Lancashire in April 1739.
In Cometanic ancestry, Ann is categorised as part of the 11th generation retrograde, classifying her as a distant ancestor of Cometan.