[4] Her grandfather, Sealy Fourdrinier (1773–1847) and his older brother Henry (1766–1854) had invented the paper machine, but had gone bankrupt in developing it.

[8] After their father died in 1887, their mother and her four remaining unmarried daughters moved to Cheney (or Cheyney) Court, Ditteridge, a large 17th-century house near Box in Wiltshire,[9] which became P. G. Wodehouse's home while his parents were living in Hong Kong.

Aunt Mary honestly considered that her harrying and harassing of the young Pelham was for his good; and she may have been right.

"[12] However, Deane took great delight in society, not least in her friendship with her contemporary Lord Sherborne, who is mentioned often in her diary.

She left an estate valued at £473, and probate was granted to her niece Ella Marjory Waldron.