Tylan sits next to 4 phonetic neighbors — Tyler, Dylan, and Tyson are the closest matches by sound. Most share Tylan's Old French via Tyler-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"tile maker, one who tiles"
"God is gracious"
"bright, splendid"
"boisterous, spirited, lively"
"victory of the people"
"a Breton, person from Brittany"
"eagle"
"Caesar (imperial title)"
"dark-complexioned son"
"firm, constant"
"stammering, lisping"
"high stronghold, fort on the headland"
"high guardian, high watchman"
"roof maker"
"dark settlement, coal town"
"God is with us"
"wolf counsel"
"all wise (from Norse Alviss)"
"dweller by the holly"
"aspen tree, quaking poplar"
"of Nîmes, sturdy woven cloth"
Similar sound: These names share phonetic patterns with Tylan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old French via Tyler origins, giving them the same cultural heritage as Tylan.
Rhythm: Tylan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.