Kean sits next to 4 phonetic neighbors — Keane, Keen, and Kane are the closest matches by sound. Most share Kean's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"ancient, enduring"
"of the Lord"
"the ruby gemstone"
"great one"
"immense quantity, boundless"
"royal court attendant"
"maker, builder"
"battle, fighter"
"descendant of Rian"
"far-reaching, bringer of completion"
"carrier of burdens"
"God has appointed"
"son of the devotee of John"
"field, plain (Latin campus)"
"chief lord, noble leader"
"firebrand, bold warrior"
"from Chester, the walled city"
"strawberry grower"
"true, faithful, trustworthy"
"son of David"
"olive warrior"
Similar sound: These names share phonetic patterns with Kean — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Irish cian origins, giving them the same cultural heritage as Kean.
Rhythm: Kean is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.