Helper, supporter, or protector
Nasire is a variant of the Arabic name Nasir, which signifies one who helps or grants victory. It carries a strong connotation of being a supportive ally or a defender. While rare in its 'Nasire' spelling, the root name has deep historical significance in Islamic culture.
Less common today
Nasire isn't in the latest US Top 1000. It last peaked at #6,840 in 2006.
US births per 5-year period, 1990βpresent (SSA data).