She took over his business, operating under Dick's Coffee House, Skinner Row, Dublin since 1744 and under her auspices until 1774.
1766) by Edmund Burke, and A collection of apothegms and maxims for the good conduct of life by Gorges Edmond Howard (1767).
Cotter wrote to Philip Skelton on 21 September 1784 from Summerhill, Dublin, praising his book An appeal to commonsense on the subject of Christianity.
To promote his ideas, she offered and paid for a cheaper edition to be printed to allow for a wider circulation.
Later, he gave her permission to have his portrait drawn, on the proviso that no copies would be made and Cotter would destroy it before her death.