Mary Louisa Pettitt was born on 9th August 1839 in South India, Tinnevelly, Cowlallam, she was baptised on 8th September 1839 at Palamcottah, Madras, India. She had 4 siblings, Caroline Emily, born 1844, and 3 brothers, George, born 1835, William, born 1838, and Edward, born 1847, who died in infancy. Their father was the Reverend George Pettitt, a Christian Missionary, 1808 1873, (see below) and their mother was Louisa Hare, 1805 1892.
In 1853, due to ill health, George Pettitt returned to Birmingham, England, with his family, where he was Clerk Incumbent of St. Jude's Church.
Mary and her sister, Caroline, lived with their parents, neither of them appeared to follow any occupation and both remained single. After the death of their father in 1873, they moved with their mother to Kent where she had family and remained in Tunbridge Wells until her death in 1892.
By 1901 the sisters had returned to Birmingham, and in 1911 they were living together in Leicestershire.At some point they moved to Worthing, Sussex, living at Binfield, Rugby Road, where Caroline predeceased her sister, aged 79yrs, on 21st February 1924.
Mary Louisa remained in Rugby Road and died 3 years later, on 14th October 1927, aged 88yrs.
Probate was granted to Amy Louisa Pettitt and Edith Rose Caroline Pettitt, spinsters, effects £4724 14s 3d. Value 2023 - £379,700.