Jensen sits next to 3 phonetic neighbors — Jenson, Addison, and Madison are the closest matches by sound. Most share Jensen's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of Jens, God is gracious"
"from Lassy (Norman place name)"
"noble, exalted, high"
"little bird"
"oak tree"
"dove"
"moonlight, cool radiance"
"meadow, clearing"
"consecrated, sacred"
"poem, verse"
"rose flower, pink-colored"
"belonging to the night"
"of the sea, beloved (via Mary)"
"feminine diminutive of Charles"
"bright, joyful one"
"hazel meadow"
"truth, unconcealedness"
"black, dark-haired"
"flower, blooming beauty"
"strong, noble, virtuous"
Similar sound: These names share phonetic patterns with Jensen — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Norse/Hebrew origins, giving them the same cultural heritage as Jensen.
Rhythm: Jensen is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.