Dorothy Forshaw (née Browne; April 8, 1640 – April 4, 1680) was the 9th great-grandmother of Cometan, classified as one of his distant maternal ancestors in the Cottam family line. Born in Latham, Lancashire, Dorothy is known to have married James Forshaw and to have given birth to at least one son named Robert. However, she died at the age of thirty-nine in Rufford, Lancashire. Her mother’s identity remains unknown although her father is recorded as being John Browne.
In Cometanic ancestry, Dorothy is classified as part of the 11th generation retrograde, categorising her as a distant ancestor of Cometan.