Darby sits next to 4 phonetic neighbors — Derby, Darbie, and Barbie are the closest matches by sound. Most share Darby's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"deer park, settlement of deer"
"consecrated to God"
"from the town of St. Botolph"
"banner, standard-bearer"
"cloud clearing"
"noble meadow"
"prickly bush bearing roses"
"sun, bright light (from Iliana)"
"slender, fair"
"bare moor, headland"
"bright, shining one"
"bright, splendid (folk etymology)"
"divine hospitality; gift of grace"
"little bird"
"tiler, one who tiles roofs"
"modern invented name"
"heavenly, belonging to the sky"
"goddess, divine one"
"bright, joyful one"
"created fictional name"
Similar sound: These names share phonetic patterns with Darby — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Norse origins, giving them the same cultural heritage as Darby.
Rhythm: Darby is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.