Princess or commander
Amirra is a variant of the Arabic name Amira, which is the feminine form of Amir. It traditionally denotes a woman of high rank, such as a princess or a leader. The double 'r' spelling is a modern stylistic variation used primarily in English-speaking countries.
Less common today
Amirra isn't in the latest US Top 1000. It last peaked at #4,968 in 2014.
US births per 5-year period, 1990βpresent (SSA data).