Lake or pool; a modern combination name
Lyniah is a modern American invention, likely created by combining the prefix Lyn with the popular 'iah' suffix. The Lyn element is derived from the Welsh word 'llyn' meaning lake, while the suffix adds a melodic, rhythmic quality typical of contemporary naming trends.
Less common today
Lyniah isn't in the latest US Top 1000. It last peaked at #5,873 in 2009.
US births per 5-year period, 1990βpresent (SSA data).