Quiet, calm, or a steep path
Stihl is primarily known as a German occupational or topographic surname. It likely derives from the Middle High German word 'stille', meaning quiet or calm, or 'stiel', referring to a handle or steep path. In a modern context, it is often associated with the industrial strength of the German power tool manufacturer.
Less common today
Stihl isn't in the latest US Top 1000. It last peaked at #7,053 in 2015.
US births per 5-year period, 1990βpresent (SSA data).