JMnedict
Recorded Japanese proper-name spellings, readings, name classifications and source-supplied trans_det detail text. trans_det is treated as source text, not as an inferred whole-name meaning.
Open source ↗Licence / terms ↗Evidence
Sources behind the name reference
Dictionary data, character metadata, official naming-character guidance and official romanization guidance are kept as separate evidence layers.
KANJIDIC2
Kanji readings, name readings (nanori), stroke counts, English glosses and grade classifications.
Open source ↗Licence / terms ↗Japan Ministry of Justice — characters usable in children’s names
Official Japanese naming-rule reference page stating that jōyō and jinmeiyō kanji may be used in children’s names and providing the official lookup route.
Open source ↗Japan Agency for Cultural Affairs — Romanization Rules (2025)
Current Japanese government reference for romanization in general social use; the guidance also says individual name spellings should respect the person’s preference.
Open source ↗Attribution
JMnedict and KANJIDIC2 are products of the Electronic Dictionary Research and Development Group (EDRDG). This site uses those datasets under their published licence/attribution terms. The Ministry of Justice page is linked as the controlling official reference for Japanese child-name character rules. The Agency for Cultural Affairs 2025 romanization page is linked as the current government reference for romanization guidance.