Macey sits next to 4 phonetic neighbors — Macy, Casey, and Lacey are the closest matches by sound. Most share Macey's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"weapon, mace bearer"
"pledged to God"
"birch meadow"
"to throw overboard, to cast away"
"Dealer in cloth and fabrics, cloth merchant"
"hawk-like; stately"
"shining, pale"
"undulating; like a wave"
"dearly loved"
"initials: various combinations (Andrew Charles, Anthony Cole, etc.)"
"modern invented name, phonetic blend"
"farm by the fen"
"one who farms the land"
"divinely favored"
Similar sound: These names share phonetic patterns with Macey — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old French mace origins, giving them the same cultural heritage as Macey.
Rhythm: Macey is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.