Names in Japanese have many different spellings, on which the possible meaning they could have is completely dependent. The right romanization for that name is Kotarou, by the way.
Kotaro Suzumura was born in 1944.
Kotaro Honda died in 1954.
Kotaro Koizumi was born in 1978.
Kotaro Oshio was born in 1968.
Kotaro Tamura was born in 1963.
Kotaro Shimomura was born in 1861.
Kotaro Nagasaki was born in 1953.
Kotaro Takamura has written: 'Takamura Kotaro' 'Bi ni tsuite' -- subject(s): Art, Philosophy
Kotaro Hata was born in 1955, in Tokyo, Japan.
Kotaro Suzuki was born on 1978-06-18.
Kotaro Azuse was born on 1967-05-06.
Kotaro Yanagi was born on 1985-12-21.