Ireland has spent a decade getting better at talking about hearing loss. Hearing aids, audiology waiting lists and the link between untreated hearing loss and dementia risk have all moved into the mainstream, and our guide to hearing health after 50 covers them. What has barely moved is the conversation about a much smaller group. Deaf people who use Irish Sign Language are not people with a hearing problem to be solved by a device. Many were deaf from early childhood, ISL is their first language and English is effectively a second one met mainly in writing. They belong to a linguistic and cultural community, and the supports built for older adults here almost never speak their language. That changes what a GP appointment feels like, whether a dementia assessment gives an accurate result, and whether a move into residential care ends conversation altogether.
TL;DR
- Around 5,000 people in Ireland use Irish Sign Language (ISL) as their primary language, within a wider community of roughly 40,000 including families and colleagues. Census 2022 counted 233,420 people experiencing deafness or hearing impairment to any extent, but that figure bundles two very different groups together.
- The Irish Sign Language Act 2017 commenced on 23 December 2020. Section 6 obliges public bodies to provide free ISL interpretation for statutory services, and section 7 requires that interpreters be accredited.
- The first statutory review, published in January 2023, found 31% of responding public bodies unaware of the Act, and only 5% of Deaf respondents rating access through ISL as good.
- Ireland has 118 registered ISL interpreters. Finland, with a comparable number of sign language users, has around 503. Book well in advance, and never accept a family member as the interpreter for anything clinical.
- Dementia is under-diagnosed in Deaf communities partly because standard cognitive tests are built around spoken and written English. An assessment in the wrong language is not an assessment.
The generation that was taught not to sign
To understand why Deaf people now in their seventies and eighties are at particular risk, you have to know what happened in their schooling. St Mary’s School for Deaf Girls in Cabra switched from signing to the oral method in 1946. St Joseph’s School for Deaf Boys followed in 1956. For decades afterwards signing was actively suppressed: children were separated into oral and manual streams, discouraged from using their hands, and in some accounts encouraged to give up signing for Lent or sent to confession for it.
The consequences are measurable. Citizens Information Board research in 2018 found 44% of Deaf and hard of hearing people aged 15 and over had primary-level education only, against 16% of the general population, and just 11% held a degree against 26% of people without a disability. Lower written English literacy here is not a personal failing. It is the legacy of an education policy, and it means the standard Irish answer of “here is a leaflet” fails before it starts.
What the ISL Act actually entitles you to
The Irish Sign Language Act 2017 is genuinely strong legislation on paper, and a lot of Deaf people over 65 do not know what is in it.
- Section 3 recognises the right of ISL users to use ISL as their native language.
- Section 4 covers the courts, which must do all that is reasonable to ensure an ISL user is not at a disadvantage in proceedings.
- Section 6 is the one that matters day to day: public bodies must provide ISL interpretation, free of charge, to a person seeking to access statutory entitlements or services. That covers the HSE, the Department of Social Protection, local authorities and hospitals.
- Section 7 requires that courts and public bodies engage only accredited interpreters, which rules out the practice of putting a relative in the chair.
Separately, section 42 of the Irish Human Rights and Equality Commission Act 2014 places a positive public sector duty on every public body to eliminate discrimination and protect human rights in how it delivers services. If a hospital or local authority says interpretation is “not something we do”, both the 2017 Act and the 2014 duty are being ignored, and that is the language to use in a complaint.
Where it falls down in practice
The Act’s own statutory review, published in January 2023, was blunt: implementation by public bodies and access to services through ISL were well below what the legislation expected. Of the public bodies that responded, 31% were unaware of the Act and a further 20% knew of it but not of their own responsibilities. Among Deaf respondents, just 5% rated access as good. The bottleneck underneath it is supply. There are 118 interpreters on the Register of Irish Sign Language Interpreters, against roughly 503 in Finland for a similar-sized signing population, and they are heavily concentrated in Dublin. That is why a Deaf woman in west Clare can hold a legal right that is almost impossible to exercise on a Tuesday morning.
The family interpreter problem
Because interpreters are scarce, most Deaf people in Ireland still bring a son, daughter or neighbour to medical appointments. It feels practical. It is also risky. The Citizens Information Board research warned that relying on a non-professional interpreter in a consultation creates a real danger of miscommunication with significant clinical consequences. Symptoms get softened by a relative who does not want to frighten anyone, medication instructions turn on exact numbers that are easy to garble second-hand, and an older person will simply not disclose continence problems, memory lapses, low mood or fear of a partner while their adult child is in the room.
The practical fix: ask the hospital or GP practice to book an accredited interpreter when the appointment is made, not on the day. Put the request in writing and cite section 6 of the ISL Act. For shorter, non-clinical business such as a social welfare query or a utility bill, the Irish Remote Interpreting Service (IRIS) run by Sign Language Interpreting Service is free, Monday to Friday 9am to 8pm, Saturday 10am to 4pm and Sunday 12pm to 2pm. IRIS is explicitly not intended for medical appointments, legal consultations, complaints procedures or formal statements. Those need an interpreter in the room.
Dementia assessed in the wrong language
This is where the gap does the most damage. A 2024 review of dementia in Deaf communities found higher rates of several risk factors, including obesity, hypertension, diabetes and depression, alongside widespread under-diagnosis attributed to language barriers and limited Deaf awareness among healthcare staff. Standard cognitive screening tools were never designed for sign language users: they lean on spoken word recall, written sentences and clock drawing instructions delivered in English. The error runs both ways. A Deaf person with normal cognition can score badly because the test is inaccessible, and genuine early dementia can be missed because everything unusual in the interaction is attributed to deafness. Families often spot the real change first, typically as a decline in signing fluency, repetition of the same signed anecdote, or getting lost on familiar routes.
The stakes go beyond the diagnosis. Capacity assessments under the Assisted Decision-Making (Capacity) Act 2015 turn on whether a person can understand, retain, use and communicate information. Conduct one without a qualified interpreter and you risk recording a finding of impaired capacity that reflects nothing but the absence of a shared language. If a formal capacity assessment is being arranged for a Deaf relative, insist on an accredited interpreter and say why.
Residential care and the end of conversation
The quiet crisis is what happens at the nursing home door. Someone who has spent sixty years inside a signing community moves into a home where no resident and no staff member signs, and everything healthcare calls social engagement becomes inaccessible overnight. Isolation of that severity is not a comfort issue; it accelerates cognitive and physical decline. Ask concrete questions before choosing a home: will Deaf awareness training be arranged for staff, how will care planning meetings be interpreted, and is there a visual alerting system for fire alarms and door calls? Communication needs belong in the written care plan, not in a verbal assurance. Chime runs Deaf adult day and residential services specifically for people whose primary language is ISL, and those are worth exploring early rather than during a crisis discharge from hospital.
Where to start
Chime, the national charity for Deaf and hard of hearing people, supports over 32,500 people a year through resource centres nationwide, community resource officers, assistive technology and specialist Deaf services. The Irish Deaf Society, led by Deaf people, is the place to go for advocacy on rights under the Act. Sign Language Interpreting Service runs both the interpreter referral service and IRIS. Deaf Village Ireland in Cabra remains the cultural heart of the community, and for many older Deaf adults the social groups based there and in regional Chime centres are the single most protective thing in their week. For families, the most useful shift is to stop treating interpretation as a favour you provide and start treating it as a service your relative is entitled to.
Críonna Health publishes practical, evidence-informed guidance on ageing well in Ireland. This article is general information and not a substitute for individual medical or legal advice. For advice on your own circumstances, speak to your GP, or contact Chime, the Irish Deaf Society or your local Citizens Information Centre.
📷 Photo by NOMAD GULL on Unsplash
