Without the exact kanji of what you mean it's impossible to define a Japanese 'name', they have diff kanji, each kanji has many diff usages and readings, each of those readings in combination with others could or could not be used and mean something, and when they do believe me it's so hard it's well around impossible to say this means that.
Just one interpretation of a random kanji selection for Narumi could be ' beauty of honesty'
Most names have several spellings in Japanese, so unless provided at least a certain character whose name you refer to, or the 'kanji' with which the name is written with, a certain answer is impossible. Some possible ways to write 'Natsumi' are:
夏美 : summer beauty
夏実 : summer truth/fruit
七海 : seven seas/oceans
Natsumi Senaga is 170 cm.
Natsumi Yanase is 160 cm.
Natsumi Abe was born on August 10, 1981.
Natsumi Abe was born on August 10, 1981.
Natsumi Itsuki was born on 1960-02-05.
Natsumi Kiyoura was born on 1990-07-04.
Natsumi Takamori was born on 1987-02-14.
Natsumi Kawahara was born on 1981-07-26.
Natsumi Yanase's birth name is Hiromi Nanase.
Natsumi Sakuma was born on August 10, 1944, in Kumamoto, Japan.
Natsumi Yanase was born on March 23, 1967, in Saitama, Japan.
Natsumi Abe is 30 years old (birthdate: August 10, 1981).