281) Aisha bint Abī Bak

Aisha bint Abī Bak (613/614 - 678). Muhammad's third and youngest wife. In Islamic writings, her name is thus often prefixed by the title "Mother of the Believers", referring to the description of Muhammad's wives in the Qur'an.

Aisha had an important role in early Islamic history, both during Muhammad's life and after his death. In Sunni tradition, Aisha is portrayed as scholarly and inquisitive. She contributed to the spread of Muhammad's message and served the Muslim community for 44 years after his death. She is also known for narrating 2210 hadiths, not just on matters related to Muhammad's private life, but also on topics such as inheritance, pilgrimage, and eschatology. Her intellect and knowledge in various subjects, including poetry and medicine, were highly praised by early luminaries such as al-Zuhri and her student Urwa ibn al-Zubayr.

"This red hair & beautiful daughter of Abu Bakr (RAA) had an amazing memory for details..."

http://www.islamicity.org/3390/at-what-age-aisha-marry-prophet-muhammad-pbuh/

"Learn some of your deen from this red haired lady."

http://reality-defines.com/wives-holy-prophet/mother-aisha/

"This refers to the love of Prophet Muhammad for his wife Ayesha, who had red hair and whom he called "my little red-haired one"."

https://books.google.it/books

According to some traditions, Muhammad as well had red hair.
http://atlanteangardens.blogspot.com/2015/03/the-reason-why-prophet-muhammad-used.html