Meaning and history
From Japanese 美 (mi) meaning “beautiful,” 智 (chi) meaning “wisdom, intellect,” and 子 (ko) meaning “child,” though it may also be written with other combinations of kanji.
20062006: 5 births, rank #17,168
2007: 7 births, rank #13,924
2008: no US SSA record for this spelling
2009: 7 births, rank #13,704
2010: 7 births, rank #13,448
20112011: no US SSA record for this spelling
2012: 6 births, rank #14,962
2013: 5 births, rank #16,547
2014: no US SSA record for this spelling
2015: 6 births, rank #14,482
20162016: no US SSA record for this spelling
2017: no US SSA record for this spelling
2018: no US SSA record for this spelling
2019: 6 births, rank #13,799
2020: no US SSA record for this spelling
20212021: 5 births, rank #15,251
2022: no US SSA record for this spelling
2023: no US SSA record for this spelling
2024: 6 births, rank #13,477
20252025: 8 births, rank #10,917
In 2025, 8 babies were recorded with the name Michiko, ranking #10,917 among girls.