Any suggestion of a romance was brought to an end by her mother in May 1832 and Favell broke off their correspondence which was only re-opened in 1847 after the death of her father.

According to Audrey Gamble in her history of the Bevan family, his biographer regarded Favell Mortimer as one of the three most important women influencing Manning's life.

In 1841, at the age of 39, she married the Reverend Thomas Mortimer, a popular preacher and minister of the Episcopal Chapel, Gray's Inn Lane, London.

However, her nephew Edwyn Bevan commemorating the centenary of the publication of Peep of Day suggested that Thomas Mortimer had a violent temper and was sometimes cruel to her.

Although the marriage was childless they adopted a young student for the Church of England ministry called Lethbridge Moore as their son in about 1848.

"[3] The broadcaster was referring to Modern book The Clumsiest People in Europe, the introduction of which states "...passage's escalating scorn and rudeness actually startled me, with its absolutist damnation of silly women and smoking and novels, certified by a publisher's commitment to type and paper and an ornate clothbound cover.