Safin(讨论 | 贡献)2022年4月28日 (四) 15:16的版本 (建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=yessir+etymology&newwindow=1&hl=en ref] early 20th century: alteration of yes sir . …”的新页面)
1836, representing a quick reply of yes, sir (in 19c. writing typically of restaurant waiters taking orders). Extended form yessiree attested from 1846.