Hospital, nursing home, guardianship and immigration interpreting across the US for the older Chinatown generation, plus certified translation of the family records they hold.
Prism Linguistics provides Toishanese (Taishanese) interpreters for hospital and home health visits, nursing home assessments, guardianship and probate hearings, depositions and USCIS interviews anywhere in the United States, in person, by phone or by video, together with certified English translation of the Chinese-character family records that Toishanese families keep.
Last reviewed September 2, 2026 by Sarah J, Prism Linguistics
Toishanese was the language of Chinese America for a century before Cantonese and then Mandarin displaced it, and the people who still speak it as a first language are now mostly in their eighties and nineties. This page is for them, and for the daughters, sons and social workers arranging their care. A Toishanese booking is rarely routine; it is a hospital admission, a capacity assessment, a Medicaid interview or an estate hearing where an elder who has nodded through Cantonese for years finally needs to be understood. Our office is in New York and our Toishanese interpreters are based where the old Chinatowns are, so an in-person visit is assigned locally and video reaches the rest of the country.
Taishan and the neighboring Sze Yup counties of Guangdong sent most of the Chinese immigrants who reached North America between the 1850s and the 1940s, and their descendants built the Chinatowns of San Francisco, New York, Boston and Oakland. Hong Kong Cantonese speakers arrived later and Mandarin speakers later still, and each wave assumed the earlier one could follow them. Toishanese and Cantonese are both Yue languages and they are not mutually intelligible: the tones, the vowels and a good share of everyday words differ. An elder who worked inside the community all her life may catch a fraction of what a Cantonese interpreter says, and will be far too polite to say so.
The Census does not count Toishanese. It is recorded as Chinese, so there is no speaker figure and no language-access report that names it, and hospitals discover the gap one patient at a time. The daughter says the family speaks Chinese, the hospital books Cantonese, and nobody notices until a discharge plan is agreed that the patient did not follow. We ask the patient's age and home county at intake and send Toishanese when the answer is Taishan, Kaiping, Enping or Xinhui.
Hospital work is the core of Toishanese interpreting: admissions, geriatric assessments, oncology consultations, home health evaluations and the long conversations around hospice and nursing home placement. A provider that takes federal funds must supply an interpreter in the language the patient actually speaks, at no cost, and Toishanese counts even though it appears on no list. Video works for a medication review. For a capacity assessment or an end-of-life conversation we send someone in person wherever an interpreter is based nearby, because a ninety-year-old reads a face in the room far better than a face on a screen.
Court demand is narrow and growing as the generation ages: guardianship petitions, probate and estate disputes, elder financial exploitation cases, and depositions in which a Toishanese-speaking landlord or shopkeeper is the witness. No state runs a certification exam in Toishanese; California certifies Cantonese, and a court will generally accept a qualified Toishanese interpreter once counsel explains that Cantonese would leave the witness guessing. Tell us the court and the matter and we confirm what it will take. We are a private agency, not a court-appointed vendor.
The USCIS work is naturalization. An applicant over 50 who has held a green card for 20 years, or over 55 with 15 years, may take the civics test in their own language through an interpreter, and a great many Toishanese elders qualify on exactly those terms. The interpreter renders the officer's questions and the applicant's answers without prompting, and an officer will stop the interview the moment the interpreter starts helping. We also cover family-petition interviews where an elderly parent is the beneficiary.
There is no such thing as a Toishanese document. Anything written in Taishan is in Chinese characters and is translated as Chinese, so what a Toishanese translator brings is not a different script but knowledge of the names and the era. The papers that reach us are old: village birth and marriage records from before 1949 and the first years of the People's Republic, household registers, clan genealogies, land papers, remittance letters, and correspondence in a mixture of classical and vernacular Chinese that a young translator trained on modern Mandarin misreads.
One person, three spellings. The same family name comes out as Chin in the Toishanese romanization on a 1950s US record, Chan on a Hong Kong paper and Chen in Pinyin on a modern PRC document, and a probate court or a USCIS officer sees three people. We anchor every name to its characters, spell to the client's existing US identity documents, list each variant in a translator's note, and sign a Certificate of Translation Accuracy on every item. The full document service is at certified translation.
Tell us the date, the city and the setting, or send a clear scan of the document. We reply with a fixed price and, for interpreting, a named linguist. Call +1 (833) 282 8883, email info@prismlinguistics.com, or use the quote form and you will hear back within 60 minutes during business hours.
Our only office is in New York, and our Toishanese interpreters work nationwide. For in-person work we assign someone based in or near the city. These are the areas where Toishanese work is concentrated; the full list of 288 cities is below it.
Prism Linguistics is rated 4.6 out of 5 across 67 client reviews for its interpreting and translation work in the United States. That is the company-wide figure; we do not publish a separate rating per language because there is no honest way to measure one. If a Toishanese assignment ever falls short, tell us and we put it right.