From the pool by the rock
A modern English surname-turned-given name, likely derived from a place name meaning 'rock pool' or 'rocky stream'. It combines the rugged imagery of stone with the fluid nature of water, offering a distinctive alternative to names like Rocko or Lachlan.
Less common today
Rocklin isn't in the latest US Top 1000. It last peaked at #5,508 in 2020.
US births per 5-year period, 1990βpresent (SSA data).