What does Marwynn mean?
Marwynn /mar-wynn/ [2 sylls.] as a name for boys. Marwynn's name origin is Welsh, and the name Marwynn means "sea friend". Marwynn is an alternate form of Marvin (Welsh): variation of Mervin. Maryon is a popular surname.
How popular is Marwynn?
Marwynn is a rare first name for males. Marwynn is also a rare surname for all people. (2000 U.S. Census)
Below is a charted comparison of the usage of Marwynn and affiliated names. Prominent alternative forms of Marwynn (outside Top 1000) are Marvin (#492 the previous year), Mervyn and Mervin. Adoption of these boy names was at its apex during the years 1930-1939 (usage of 0.5143%) and has become much less since (usage 0.1693%, down 67.1%), with the forms Marvin and Mervin becoming less stylish. (Top 1000 Birth Names Records, 2014)