Shaunn is of Irish origin, derived from Sean, which means 'God is gracious'. It's a variant spelling of the classic Irish name Sean and is considered quite unique. Shaunn was first popularized in the United States during the late 20th century. It's often associated with the Irish spellingSean but offers a distinct twist, making it stand out.
"Shaunn saw a peak in popularity between 1970 and 1972, with a consistent number of births each year, followed by a significant rise in 1978, then fluctuating before dropping to its lowest point in recent times in 2001."