Chizuko is a feminine given name of Japanese origin, derived from the words "chī" (千) meaning "thousand", and "zuku" (続) meaning "to continue". This name has been traditionally bestowed upon daughters in Japan as an expression of hope for prosperity and continuity in the family lineage.
The name Chizuko experienced varied popularity throughout the years from 1914 to 1935, with a total of 169 babies named Chizuko during this period. The name's peak occurred in 1921 and 1922 with 17 and 14 births respectively. However, it began to decline afterward, dropping as low as 5 births in 1935.