Star of the sea or lake
A creative blend of Mary, meaning 'star of the sea,' and the suffix -lyn, meaning 'lake.' It emerged as a phonetic variant of Marilyn, popularized in the mid-20th century.
Less common today
Marelyn isn't in the latest US Top 1000. It last peaked at #3,575 in 2009.
US births per 5-year period, 1990βpresent (SSA data).