411 REFERENCE · Wiktionary
Macsen
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Welsh
Etymology
From cy la Maximus, specifically from 4th-century Roman co-emperor Magnus Maximus (in Welsh known as Macsen Wledig).
Proper noun
m
cy male Maximus
References
Information on baby name statistics, (Baby Names, Boys 2014), Office of National Statistics.