Mia sits next to 4 phonetic neighbors — Milo, Nia, and Tia are the closest matches by sound. Most share Mia's Scandinavian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"mine, my own"
"illumination, radiance"
"defender of men"
"old power, noble ruler"
"breath, vapor, transience"
"from the fortress"
"bringer of gifts"
"one who weaves cloth"
"desired, longed for"
"ancestor's descendant (alternative etymology)"
"natural, undomesticated"
"light, illumination"
"elder tree island"
"from Sebastia"
"high, noble, exalted"
"diminutive of Nicholas"
"man of prayer, full of goodness"
"ruling"
"fortunate king"
"safe, uninjured"
"from the tree stump clearing"
Similar sound: These names share phonetic patterns with Mia — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Mia.
Rhythm: Mia is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.