Definition of "personals"
noun
(rare) Personal matters; matters which are peculiar or proper to private concerns.
Quotations
"A pardon, Mr. Preston! Ah! A pardon, please!" the Englishman apologized at once. "I say, I did not intend to pry into personals, really," he protested. "And really, you know," he continued, "if you see how I meant it, it was not personal after all," he argued.
1909, Edwin Balmer, Waylaid by Wireless: A Suspicion, a Warning, a Sporting Proposition, and a Transatlantic Pursuit, page 113