What is paternity fraud?

Gail Evans, Alphabiolabs

By Gail Evans, Technical Trainer at AlphaBiolabs
Last reviewed: 03/02/2025

Paternity fraud occurs when a mother – either mistakenly or deliberately – misidentifies a man as the biological father of her child, leading him to believe he has a paternal obligation (emotional, financial or legal).

In this article, we take a closer look at paternity fraud including how common it is, how it happens, and the legal consequences.

How common is paternity fraud?

Establishing the prevalence of paternity fraud in Ireland is challenging, as there is limited data on the subject due to the sensitive and private nature of paternity disputes.

However, studies suggest that the rate of paternal discrepancy globally – where a man is not the biological father of a child he believes to be his – varies from 0.8% to 30%, with a median of 3.7%.

What are the common scenarios and methods of paternity fraud?

Some of the most common scenarios that lead to paternity fraud, include:

  • Misidentification: where a woman either knowingly or unknowingly (due to uncertainty of paternity) names a man as the father on the birth certificate, when he is not the biological father.
  • Infidelity: where a woman conceives a child with a man other than her partner but still chooses to name her partner as the father on the birth certificate.
  • Legal and financial motivations: some mothers may name a man as the father of their child to secure child maintenance, inheritance rights, or other financial benefits for the child.
  • Societal or family pressures: social stigma or pressure from family can lead a mother to misidentify a man as the father. This is especially common in circumstances where the biological father is unknown, unavailable, or deemed unsuitable.

Some of the methods that people use to commit paternity fraud – either knowingly or unknowingly – include:

  • Falsifying birth certificate information: Irish law provides clear guidelines for registering a father’s name on a birth certificate. Providing false information on a birth certificate is a serious offence, although the frequency of such cases is not well-documented.
  • Misrepresentation in legal documents: paternity fraud can occur as a result of deliberate misrepresentation in legal documents or proceedings, such as during child maintenance claims or custody disputes.
  • Manipulation of DNA testing: although rare, there have been instances of individuals tampering with DNA samples or documentation to skew a paternity test result in their favour. Examples include submitting DNA samples from a different child or adult to manipulate the outcome of a paternity test.

    It’s important to note that this is more of a risk during peace of mind paternity testing, where the sample donors collect their own DNA samples at home and return them to the laboratory for testing. In this instance, the laboratory must trust that the DNA samples provided for testing are from the individuals named in the test.

    For a court approved/legal paternity test, a professional sample collector collects the DNA samples of each person taking part in the test, and chain of custody procedures are followed throughout the testing process to ensure samples are collected from the right people in the correct way. This ensures the results of the test will be accepted by the family court and for other legal matters.

Is paternity fraud a crime?

In Ireland, paternity fraud – where a mother misrepresents a man as the biological father of her child – is not explicitly defined as a criminal offence. However, legal avenues exist to address such situations, primarily through civil litigation.

Legal implications of paternity fraud can include:

  • Tort of deceit: an individual may pursue civil action under the tort of deceit, if it can be demonstrated that the mother knowingly made a false representation regarding paternity, which resulted in financial or emotional harm.
  • Family law proceedings: a man who questions paternity may seek a declaration of parentage through the courts. This can involve DNA testing to determine paternity. If it is found that he is not the biological father, he may have grounds to cease child maintenance obligations. However, the court’s primary concern is the welfare of the child, which can influence decisions regarding ongoing financial support.

Even if a man pursues either of these options, legal action for paternity fraud still presents challenges, including proof of intent (that the mother intentionally misled the man), and child welfare considerations.

If paternity fraud is proven, the court may decide to maintain existing child support arrangements to ensure the child’s financial stability and wellbeing.

What are the consequences of paternity fraud? Can you sue for paternity fraud?

Even though paternity fraud is not classified as a criminal offence in Ireland, the act of paternity fraud can have serious legal, financial and emotional consequences for everyone involved, including the child.

The legal and financial consequences of paternity fraud are primarily handled through the civil legal system.

For the mother who knowingly or unknowingly committed the fraud, legal consequences could include:

  • Civil liability – the man who was falsely identified as the father could take legal action to seek damages if he can prove financial loss or emotional distress caused by deception.
  • Perjury implications – if false information was knowingly provided on legal documents, such as the child’s birth certificate, it may be considered a form of misrepresentation.

Some options for victims of paternity fraud in Ireland include:

  • Recovery of financial losses: if a man has been paying child maintenance for a child who is not biologically his, he may be able to challenge future payments. However, as Irish family law prioritises the welfare of the child, payments made before the fraud was discovered are unlikely to be refunded.
  • Amendment of guardianship/custody: a man who has been wrongly identified as the father may seek a declaration of parentage. If the court determines he is not the biological father, legal responsibilities such as child maintenance or custody arrangements may be reconsidered.
  • Compensation for emotional distress: in some cases, individuals who have suffered significant emotional distress due to paternity fraud may be able to pursue compensation under civil law. However, these cases can be complex and require strong evidence of harm.

How can you prevent paternity fraud?

Paternity testing is the most effective way of preventing paternity fraud, providing conclusive, irrefutable DNA evidence of a child’s biological parentage while the mother is still pregnant, or following the birth of a child.

A paternity test works by analysing the DNA of the possible father and the child to identify matching DNA markers. If the tested man is the biological father of the child, the man and the child will share DNA at every tested marker. If he is not the biological father, this will not be the case.

Types of paternity testing include:

  • Peace of mind paternity testing: for these tests, test participants collect their own samples at home and return the samples to the laboratory for testing. As the name suggests, the results are for your personal use/knowledge only and cannot be used in court or for other legal matters.
  • Order a Peace of Mind Paternity Test Online

  • Legal/court-approved paternity testing: for a legal paternity test, analysis at the laboratory is performed in the same way. However, the samples are collected by a professional sample collector under strict chain of custody conditions, to maintain sample integrity and ensure the results of the test will be accepted by the courts and other official bodies.

We offer two options for paternity testing at AlphaBiolabs:

  • Paternity testing: analysing up to 45 DNA markers, with results in 2-3 days*. For this test, all that is required is a cheek (buccal) DNA sample from the possible father and the child. The test can be performed at any time on a person of any age, including newborn babies and grown-up children/adults.
  • Non-invasive Prenatal Paternity (NIPP) testing: a NIPP test is 100% risk-free for mother and baby and can be performed as early as 7 weeks into pregnancy. All that is required is a blood sample from the mother, and cheek swab samples from the mother and the possible father. This makes the test completely safe, unlike invasive prenatal paternity tests which carry a small risk of miscarriage (chorionic villus sampling or amniocentesis). Results are provided in 5-7 days*.
  • Order a Non-Invasive Prenatal Paternity Test Online

*Business days from receipt of samples into the laboratory, before 10am.

Both our Paternity test and NIPP test are available for peace of mind or legal/official matters.

Other ways that men can prevent paternity fraud where there are doubts about paternity:

  • Request a paternity DNA test before signing any legal documents. In Ireland, once a man’s name is registered on a birth certificate he may be legally recognised as the father, even if later evidence proves otherwise
  • Educate yourself on family law including guardianship, child maintenance obligations, and how paternity disputes are handled in the courts
  • Be proactive in maintaining communication/transparency – this includes having open and honest conversations about paternity as early as possible
  • Seek legal advice/action if fraud is suspected – consulting a legal professional can help you understand your options

Where can I get a paternity test?

You can order a peace of mind Paternity test online now, direct from our accredited laboratory.

If you require a paternity test for court, you’ll need to order a legal paternity test.

Alternatively, contact us on 01 402 9466 or email info@alphabiolabs.ie and our friendly, discreet Customer Services team will be happy to answer any questions you might have.

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Gail Evans, AlphaBiolabs

Gail Evans

Technical Trainer at AlphaBiolabs

A professionally-trained forensic scientist, Gail joined AlphaBiolabs in 2012 and holds the role of Technical Trainer.

Her day-to-day responsibilities include delivering in-depth training sessions both internally and externally, covering DNA, drug, and alcohol testing.

Throughout her career at AlphaBiolabs, Gail has held a variety of roles, including within the Legal and Workplace sectors of the business.

Before joining the company, Gail was a practicing forensic scientist with 25 years’ experience working for the Forensic Science Service, attending scenes of crime, and analysing physical and biological material with potential evidential value.

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