Halley sits next to 5 phonetic neighbors — Hailey, Hayley, and Halle are the closest matches by sound. Most share Halley's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"holy (folk association)"
"from Ing, Norse deity of fertility"
"noble, patrician"
"gift, present"
"young wolf"
"joining, fitting together"
"home in a grove, elevated terrain"
"song, poem"
"rival, eager"
"radiant counsel (via Germanic Ray + Lin)"
"daughter of the night"
"gift of God (short form of Dorothy/Theodora)"
"honor, fame"
"sea dragon, small"
"peace"
"from Seoni, place of the forest"
"Irish feminine form of Evan/John"
"supplanter, one who follows"
"ruler of elves (Avery root)"
"highly valued gift"
"sparkling, clear gem"
Similar sound: These names share phonetic patterns with Halley — 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 Halley.
Rhythm: Halley is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.