: Beyond persistence, the word can also relate to secrecy or confidentiality, as it shares a root with sirr (secret).

: It is a popular masculine name in Muslim communities, often used in combinations like Israr Ahmed . Selflessness and Generosity ( Isaar )

: He founded the Tanzeem-e-Islami and was known for his extensive lectures on the Quran and the "purpose of life," emphasizing spiritual focus and surrendering to divine will.