Sierra, of Spanish and Italian origin, is an uncommon yet appealing feminine given name meaning 'saw-toothed mountain range'. It gained popularity in the late 20th century, likely influenced by the Sierra Nevada mountain range in California. The name offers a unique sound while still being recognizable due to its association with nature.
"The name Siearra saw a significant increase in popularity between 1985 and 1999, with the most births occurring in 1999 (19). However, it seems to have declined since then, with the lowest number of births recorded in 2006 (5) and 2008 (8). Overall, there were a total of 251 babies named Siearra born between 1985 and 2008."