Jamieson sits next to 5 phonetic neighbors — Jameson, Jamieson, and Jamison are the closest matches by sound. Most share Jamieson's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of James, supplanter"
"lives near finches"
"flowing river, running water"
"continuous improvement"
"will-bright, famous will"
"bright-headed"
"lasting, persistent"
"royal enclosure"
"farm on the ridge"
"derived from Terentius, possibly tender or gracious"
"prince, commander"
"Elf ruler; wise ruler (from Aelfric)"
"invented, unique (no established meaning)"
"abundant, prosperous growth"
"sea-connected, modern creative"
"venerable, worthy of reverence"
"anointed one who carries"
"strong grip, paw"
"rock, stone"
"dark one, dark water"
"pale, sallow-complexioned"
Similar sound: These names share phonetic patterns with Jamieson — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Scottish/Hebrew origins, giving them the same cultural heritage as Jamieson.
Rhythm: Jamieson is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.