Lilian sits next to 5 phonetic neighbors — Lillian, Liliana, and Lily are the closest matches by sound. Most share Lilian's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lily flower"
"star, celestial body"
"strong-headed, determined"
"from Macey (Normandy place name)"
"protector of men"
"grace and lake"
"mistress, lady of the house"
"royal flower"
"strong, manly, brave"
"bird-like, relating to birds"
"creative modern blended form"
"divine messenger, thought"
"free woman, strong"
"divine, heavenly"
"God's gift"
"ascent, going up"
"hollow land, forested land"
"strength, power, virtue"
"messenger"
"divine radiance"
"princess, noblewoman"
Similar sound: These names share phonetic patterns with Lilian — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin lilium origins, giving them the same cultural heritage as Lilian.
Rhythm: Lilian is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.