Seiko Ishii

Japanese singer
Person human Q11585077
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Summary

Seiko Ishii was born on September 20, 1973[1], in Tokyo[2]. She has worked as a singer[3]. She is known by 4 alternative names across languages and contexts.[4]

Key Facts

  • Father: Reijiro Ishii[5]
  • Mother: Sumiko Sakamoto[6]
  • Country of citizenship: Japan[7]
  • Educated at: Sophia University[8]
  • Sex or gender: female[9]
  • Genre: J-pop[10]
  • Record label: Pony Canyon[11]
  • Family name: Ishii[12]
  • Given name: Seiko[13]
  • Official website: http://www.seikoishii.com/[14]
  • Instrument: voice[15]
  • Languages spoken, written or signed: Japanese[16]
  • Name in native language: 石井聖子[17]
  • Name in kana: いしい せいこ[18]
  • Blood type: B[19]
  • Start of work period: 1996[20]

FAQs

Where was Seiko Ishii born?

Seiko Ishii's place of birth was Tokyo[2].

Who were Seiko Ishii's parents?

Seiko Ishii's father was Reijiro Ishii[5]. Seiko Ishii's mother was Sumiko Sakamoto[6].

What did Seiko Ishii do for work?

Seiko Ishii worked as a singer[3].

Where did Seiko Ishii go to school?

Seiko Ishii was educated at Sophia University[8].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [9] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [3] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [1] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . Nihon Tarento Meikan. Retrieved . talent.yahoo.co.jp. Provenance: wikidata.org.
  19. [20] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [4] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Seiko Ishii. Retrieved October 11, 2026, from https://4ort.xyz/entity/seiko-ishii
MLA “Seiko Ishii.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Oct. 2026, https://4ort.xyz/entity/seiko-ishii.
BibTeX @misc{4ortxyz_seiko-ishii_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Seiko Ishii}}, year = {2026}, url = {https://4ort.xyz/entity/seiko-ishii}, note = {Accessed: 2026-10-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Seiko Ishii — https://4ort.xyz/entity/seiko-ishii (retrieved 2026-10-11)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 9d ago · ならちゃん · 2026-10-03 view diff on Wikidata ↗
    Sitelink count → 1
    Wikipedia languages → ['ja']
    Allcinema person id → 294168
    Claims rich → —
    "/* wbsetclaim-create:1||1 */ Allcinema person id: 294168, Matched to [[:toollabs:mix-n-match/#/entry/322342023|石井聖子 (#322342023)]] in [[:toollabs:mix-n-match/#/catalog/8395|Allcinema person]] #mix'n'm"
  2. 7w ago · ならちゃん · 2026-08-22 view diff on Wikidata ↗
    Instagram username → seiko_ishii
    Occupation → singer
    Given name → Seiko
    Official website → http://www.seikoishii.com/
    + 27 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-short:0||ko */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/49204|batch #49204]]: Seiko Ishii"
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