In two Tweets she released she states how she’s changed her name and converted to Islam.
Take a look for yourself:
— Sinead O'Connor (AKA Shuhada Sadaqat) (@MagdaDavitt77) October 23, 2018
This is to announce that I am proud to have become a Muslim. This is the natural conclusion of any intelligent theologian’s journey. All scripture study leads to Islam. Which makes all other scriptures redundant. I will be given (another) new name. It will be Shuhada’
— Sinead O'Connor (AKA Shuhada Sadaqat) (@MagdaDavitt77) October 19, 2018