Musannaf Ibn Abi Shaybah

Hazrat Ibn Sirin considered performing Umrah in Muharram to be mustahabb (recommended).

Ayyub narrates that I asked Hazrat Salim bin Abdullah, "Will the Umrah of a Muhrim definitely be completed?" He replied, "Yes."

Hazrat Ibn Aun says that I asked Hazrat Qasim about performing Umrah during the state of Ihram. He replied that the Companions considered it a complete Umrah.

Ayyub narrates that I asked Hazrat Sulaiman bin Yasar and Salim bin Abdullah about performing Umrah while in the state of Ihram. They replied that it is complete and should be performed.

Hazrat Tawus was asked about performing Umrah in the month of Ihram (state of consecration). He replied: By the Lord of the Ka'bah, I do not know what this is (what its status is).