The Prophet ﷺ married Maymunah while he was in the state of ihram.
حدثنا مسدد حدثنا حماد بن زيد عن أيوب عن عكرمة
أن النبي ﷺ تزوج ميمونة وهو محرم
No references are available.
Bukhari narrated it in "The Book of Military Expeditions", chapter of the Compensatory Umrah, hadith no. 4258, from the hadith of Ayub Sakhtiyani through this same chain.