She earned her living by dressmaking, and devoted much of her time amongst criminals in the Tolhouse Gaol in Great Yarmouth.
[2] At first she read the bible to prisoners, later she began to hold Sunday services to inspire the inmates to improve their lives.
Martin offered practical help alongside spiritual advice and taught them how to read and write as well as make items like spoons and books, which they sold.
After becoming very ill Sarah Martin died on 15 October 1843 and was buried at Holy Trinity, Caister-on-Sea.
[3] A collection of her poems entitled Selections from the Poetical Remains of Miss S. Martin was published in 1845.