14 baby names with a similar sound and feel to Martyn.
You searched for names like
"beloved, dear"
"from Lancy, from the lancet-shaped place"
"of the Flavian family"
"from the alder grove"
"beloved, the cherished one"
"rallying banner"
"beloved, gracious (variant of Erasmus)"
"promontory above a pool"
"one who crosses; toll collector at a crossing"
"possibly derived from Noah (rest, comfort)"
"bright meadow, shire clearing"
"power, might"
"openness, frankness, sincerity"
"light, glowing"