Spear ruler or modern blend of Gerald and Lynn
Jerlyn is most likely a modern American invention, created by blending the Germanic elements 'ger' (spear) and 'lyn' (lake). It may also be a feminine elaboration of the name Gerald or a variation of Jerilyn. As a rare name, it offers a unique alternative to more common mid-century blends.
Less common today
Jerlyn isn't in the latest US Top 1000. It last peaked at #11,361 in 2010.
US births per 5-year period, 1990βpresent (SSA data).