Lyon sits next to 4 phonetic neighbors — Leon, Liam, and Lyons are the closest matches by sound. Most share Lyon's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lion"
"modern American invented name"
"settlement by the sea"
"guiding spirit"
"lawful, proper"
"middle of the plain (city name)"
"crown, wreath"
"court musician, entertainer"
"crooked nose; bent river"
"first, beginning"
"God is gracious"
"of noble origin"
"son of Garret, son of the spear bearer"
"chosen deliverer, consecrated leader"
"tile-maker (via Tyler root)"
"son of the home ruler"
"lime tree hill"
"flowing down, descend"
"man from the mountain"
"little man, warrior"
"strong as an oak"
Similar sound: These names share phonetic patterns with Lyon — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have French/Latin origins, giving them the same cultural heritage as Lyon.
Rhythm: Lyon is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.