Definition of "Rona"

"Rona! Corona Mitchell! Corona Margarita! Cuckoo! Where've you gone to?" "Coo—ee!" came in reply from the distance, and presently Rona appeared beckoning vigorously.

1915, Angela Brazil, For the Sake of the School, reprint, published 2018, page 71

I feel that I should like if possible to contribute that I am enclosing the usual cheque with the request that you will pass on the usual fiver to Rona [Corona Watson] with my best love.

1952, letter from Netherton William Langford Watson to Diane Curtis [Watson], quoted in 2019, Peter J F Coutts, Alan Watson, The Watsons of Kilconnor, County Carlow, 1650 – present, Paragon Publishing, page 431

“Scott—Corona Scott.” She stretched to shake his hand across the narrow aisle. “But my friends call me Rona—Corona sounds a bit uppish, so I've been told.” “Gordon C. McCormick—Gordy,” he introduced himself, giving her another grin.

2011, M. R. Tighe, Judgment on Tartarus, Wheatmark, Inc., page 3