Lindsay sits next to 5 phonetic neighbors — Lindsey, Lyndsey, and Linsey are the closest matches by sound. Most share Lindsay's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"island of linden trees"
"modern invented name"
"spinner dolphin"
"grace, favor"
"happiness, fortune"
"God is good"
"victorious, joyful (from Jai)"
"most holy"
"all, completely (Germanic)"
"rising, sunrise"
"star, celestial body"
"dew of the sea (rosemary herb)"
"slender and fair"
"little thing, victorious people"
"immortal, eternal"
"first light of day, sunrise"
"olive tree, peace"
"friend, companion"
"garden, vineyard"
"rose"
"all sweetness, all honey"
Similar sound: These names share phonetic patterns with Lindsay — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English place name origins, giving them the same cultural heritage as Lindsay.
Rhythm: Lindsay is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.