Mars sits next to 4 phonetic neighbors — Marz, Marsa, and Marcy are the closest matches by sound. Most share Mars's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Roman god of war"
"modern variant meaning crowned with laurel"
"creative blend of Mae (pearl/May) and Aubrey (elf ruler)"
"famous, renowned"
"beautiful, graceful"
"oarsman"
"jasmine flower"
"divine, golden"
"she who rules"
"beloved, eternal (via Amara)"
"queen mother (royal title)"
"noble and kind"
"maiden, girl"
"mine, my own (Mia) with grace suffix"
"industrious, hardworking"
"twin"
"elevated, champion"
"pertaining to the sun"
"creative variant of Asia (continent name, meaning sunrise/east)"
"noble, noble kind"
"clear, bright"
Similar sound: These names share phonetic patterns with Mars — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Mars.
Rhythm: Mars is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.