Sumako is a name of Japanese origin, derived from the word "suma," which means "bunch" or "cluster." It is often used as a female given name and has been popular in Japan for many years. Sumako was particularly prominent during the Taisho period (1912-1926), when it ranked among the top 50 names for baby girls. Today, Sumako remains a beloved name in Japan, often chosen by parents who wish to honor tradition while also bestowing their child with a unique and meaningful moniker.
"The name Sumako experienced fluctuating popularity over the decades, with peaks of 7 births in 1923 and valleys such as 5 births each in 1918, 1922, and 1932."