A famous bearer is the recently canonized Saint Junipero Serra. He was a 18th-century Franciscan friar who founded 12 of the Spanish Missions in Alta California which established the first permanent European settlements in what is now the state of California.
https://forebears.io/x/forenames/junipero
Oh and here's the link to Juniper (A modern Feminine name).
https://www.behindthename.com/name/juniper