Lucie sits next to 3 phonetic neighbors — Lucy, Lucia, and Luci are the closest matches by sound. Most share Lucie's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"born at dawn"
"she who is loved"
"dweller by the lane"
"pearl"
"little wren bird"
"invented melodic name"
"elder tree island"
"God is gracious"
"street"
"helpful one"
"weapon, mace-bearer"
"God is gracious"
"knowledge, wisdom"
"ruler's meadow"
"prophet, seer"
"heather clearing"
"little Joss, playful one"
"house of the spirit of Ptah"
"light, luminosity"
"related to brightness/light"
Similar sound: These names share phonetic patterns with Lucie — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Lucie.
Rhythm: Lucie is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.