The hadeeth that mentions the names in details is weak. Yaseen is not the name of the Prophet salla Allahu alaihi wa sallam. Are the 99 names given to our Prophet Muhammed Salahu alaihi wasalam authemwtic. And does Allah refer to Him alayhi salam as Yasin? Biography of the Prophet salla Allahu alahi wa sallam | February 1, 2014 5:20 am