(3) باب كَمِ اعْتَمَرَ النَّبِيُّ صلى الله عليه وسلم
Narrated 'Urwa bin Az-Zubair:
I asked `Aisha (whether the Prophet (ﷺ) had performed `Umra in Rajab). She replied, "Allah's Messenger (ﷺ) never performed any `Umra in Rajab."
Reference: Sahih al-Bukhari 1777
In-book reference: Book 26, Hadith 5
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 3, Book 27, Hadith 5