Masako is a feminine given name of Japanese origin, derived from two kanji characters: "真" (ma) meaning 'real' or 'genuine', and "Tintype" (ko) which signifies 'child'. The name Masako is often associated with traditional Japanese culture and carries a sense of authenticity and purity. It has been popular among Japanese families for centuries, reflecting the cultural value placed on honesty and sincerity. Internationally, Masako gained recognition through prominent figures such as Empress Masako of Japan, born Masako Owada, who married Emperor Naruhito in 1993. This further popularized the name globally, making it a timeless choice for parents seeking unique yet culturally significant names for their daughters.
Masako was quite popular at the turn of the century, with a significant number of babies named Masako born annually between 1909 and 1934. The peak years were from 1913 to 1917, with over 30 births each year. However, the popularity declined sharply after 1934, with fewer than 20 births per year until the late 20th century. The total number of babies named Masako born between 1909 and 1993 was 821.