Marjorie sits next to 4 phonetic neighbors — Margaret, Margery, and Margie are the closest matches by sound. Most share Marjorie's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"pearl"
"bright, cheerful"
"sea and sky"
"slender, graceful"
"purpose, intention"
"from the green valley"
"son of the sea, great tide"
"turbulent, passionate (figurative)"
"graceful vine"
"God is my help"
"from Arcy (Norman French place name)"
"ocean, shell"
"born of fire"
"sunlight, warmth"
"queen of orchids (named after William Cattley)"
"glowing ember meadow"
"luminous glow, energy field"
"Indian dye"
"cherished, dear one"
"knowledge, sacred wisdom"
"sky, heavens"
Similar sound: These names share phonetic patterns with Marjorie — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek via Latin origins, giving them the same cultural heritage as Marjorie.
Rhythm: Marjorie is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.