His works include the comic novel They're a Weird Mob (1957) using the pen name Nino Culotta and the poem The Integrated Adjective, sometimes known as Tumba-bloody-rumba.
[2][3] He worked as a pharmacist in Sydney and Ballina, before quitting the business in 1936 to become a medical officer in coastal passenger steamers and a travelling salesman for a pharmaceutical importer.
[2] O'Grady wrote under a variety of pseudonyms, most famously as Nino Culotta for his books They're a Weird Mob, Cop This Lot, Gone Fishin ', and Gone Gougin' .
[4] He was married to Lorna Maria Schreiber from 1930 to 1941 (with whom he had three sons), Margaret (Meg) Elizabeth Lockey from 1941 to 1950 (with whom he had a daughter), and Mary (Molly) Winefriede Carroll from 1952 until his death.
Aussie Etiket was translated into Japanese as Ōsutoraria-ryū Echiketto: Oretachi Dattara Kōsuru Ne (Tōkyō : Kindai Bungeisha, 1993) A collection of the papers of O'Grady, ranging from 1942 to 1986, are available in manuscript form at the National Library of Australia, Canberra.