Rocky lake or pool
A modern American compound name combining the word 'Rock' with the popular suffix 'lyn'. It likely refers to a rocky landscape near a body of water, such as a lake or pool.
Less common today
Rocklyn isn't in the latest US Top 1000. It last peaked at #6,200 in 2014.
US births per 5-year period, 1990–present (SSA data).
