Maclan sits next to 4 phonetic neighbors — Maclan, McLain, and Maclin are the closest matches by sound. Most share Maclan's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of the servant of John"
"supplanter"
"champion, passionate one"
"fair-haired hero"
"brother, brotherly"
"seal pup"
"fair, blessed"
"black-haired"
"son of Aodh (fire, sun)"
"bright-headed, strife"
"charcoal hill"
"strong-willed warrior"
"form of Eleanor/Helen meaning 'torch'"
"son of Oda"
"from Erroll, Scotland"
"holly corner, hazel grove"
"fair, beautiful"
"son of Andrew"
"dark one"
"little fire, born of fire"
Similar sound: These names share phonetic patterns with Maclan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Scottish Gaelic origins, giving them the same cultural heritage as Maclan.
Rhythm: Maclan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.