Kourtney sits next to 3 phonetic neighbors — Courtney, Kortney, and Kortnee are the closest matches by sound. Most share Kourtney's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"short nose"
"fair, equitable"
"of or belonging to a king"
"sand-colored, from the sand"
"white, pure"
"banner, standard-bearer"
"little Margaret"
"princess, noblewoman"
"new star by the lake"
"courageous, bold"
"graceful, favored"
"from Nimes (city in France)"
"elf ruler, wise counselor"
"narrative, tale"
"creative blend name"
"silver; from the region of Aria (ancient Persia)"
"life, to breathe, to live"
"grey battle maiden"
"son of Finlay (fair-haired hero)"
"lake or pool (from Welsh -lyn suffix)"
"son of the fair warrior"
Similar sound: These names share phonetic patterns with Kourtney — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old French origins, giving them the same cultural heritage as Kourtney.
Rhythm: Kourtney is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.