Jaira is of Hebrew origin, meaning 'commandment' or 'mountain of God'. It is a unisex name but traditionally more popular for girls. The name Jaira first appeared in the United States baby name registry in 1987 and has since gained popularity, ranking among the top 1000 names for both males and females by the mid-2000s.
The name Jaira experienced a notable rise in popularity between the late 1990s and early 2000s, with peaks of 28 births in 1999, 26 in both 2000 and 2001, and 24 in 2002. However, it has since seen a decline, averaging around 5-10 births per year from 2010 onwards. The highest number of births recorded was 30 in 2023.