Hartlyn sits next to 5 phonetic neighbors — Marilyn, Harlow, and Carlyn are the closest matches by sound. Most share Hartlyn's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"stag's woodland, forest clearing"
"little meadow, dear clearing"
"enclosed garden, place of perfect happiness"
"dawn, morning light"
"modern invented name with English meadow roots"
"grace, blessing (Japanese 恵奈)"
"the wind"
"high tower"
"people of God, work of Jehovah"
"she who lives"
"YHWH is God"
"grace (via -anna suffix)"
"gift of God"
"soft, gentle"
"to ascend, climb"
"God is gracious, God is merciful"
"elf, magical being"
"harmony, freedom from conflict"
"from Ireland, western land"
"shadow, shade"
"powerful land-owner"
Similar sound: These names share phonetic patterns with Hartlyn — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English origins, giving them the same cultural heritage as Hartlyn.
Rhythm: Hartlyn is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.