God has heard; listener
Samanth is a rare variant of Samantha, which likely originated in the United States in the 18th century. It is thought to combine the Hebrew name Samuel with the Greek suffix 'anthos', meaning flower, or simply as a feminine form of Samuel meaning 'God has heard'.
Less common today
Samanth isn't in the latest US Top 1000. It last peaked at #4,176 in 1990.
US births per 5-year period, 1990βpresent (SSA data).