When Sylvia Doreen Nicholson was born on 24 December 1925, in Sheffield, Yorkshire, England, United Kingdom, her father, Harry Nicholson, was 27 and her mother, Annie Smith, was 29. She married John Derrick O'Grady on 19 September 1957, in Nottingham, Nottinghamshire, England, United Kingdom. She died on 14 October 1999, in Basford, Nottinghamshire, England, United Kingdom, at the age of 73, and was buried in Redhill Cemetery, Arnold, Nottinghamshire, England, United Kingdom.
English (northern) and Scottish: patronymic from the Middle English personal name Nic(h)olas or the vernacular form Nic(h)ol + son; see Nichol , Nicholas . In Scotland the name was sometimes substituted for McNichol .
Americanized form of Danish, Norwegian, and North German Nicolaisen or Nikolaisen , or of the Swedish cognate Niklasson, patronymics from equivalents of the personal name Nicholas .