4.2 Personal Knowledge
Key Takeaways
- Personal knowledge means familiarity arising from dealings sufficient to provide reasonable certainty of identity
- A single introduction, a one-time meeting, or hearsay from a mutual friend never establishes personal knowledge
- When personal knowledge is used, no identification document is required from the signer
- The certificate uses "personally known to me" and the journal records the method as personal knowledge
- Falsely claiming personal knowledge of an impostor is grounds for revocation and civil liability
Defining Personal Knowledge
Personal knowledge is the first method of satisfactory evidence listed in HRS §456-1.6, and it is the only one that requires no identification document at all. The statutory touchstone, echoed in Hawaii's remote-notary provisions, is that the notary knows the individual through dealings sufficient to provide reasonable certainty that the individual has the identity claimed. The key words are dealings (plural, ongoing) and reasonable certainty (a high bar, not a guess). Recognition by face alone, or a name supplied by someone else, falls short.
What Qualifies and What Does Not
| Establishes personal knowledge | Does NOT establish it |
|---|---|
| A sibling or parent you have known for years | Someone introduced to you minutes ago |
| A neighbor you have interacted with regularly | A "friend of a friend" you just met |
| A coworker you see and deal with daily | A person whose name a mutual contact supplied |
| A long-standing client of your business | A one-time customer at a counter |
The Reasonable-Certainty Test
Before relying on personal knowledge, a notary should be able to answer yes to each of these:
- Do I know this person from repeated, real dealings over time, not a single encounter?
- Do I recognize this individual by appearance without prompting?
- Do I have no doubt that the name on the document belongs to this person?
- Is my belief independent — not based on what another person told me?
If any answer is no, the notary must fall back to a qualifying ID or a credible witness. There is no penalty for switching methods, and using an ID when personal knowledge is shaky is the cautious, defensible choice.
Worked Scenario
Suppose your sister-in-law of twelve years asks you to notarize her acknowledgment on a quitclaim deed. You have shared holidays and family events for over a decade and recognize her instantly. Personal knowledge clearly applies; you need not ask for her driver's license. Contrast this with a man who walks in saying, "Your coworker Lani told me to come — she'll vouch I'm Mr. Akana." That is hearsay, not personal knowledge. You must either identify him with a qualifying ID or have Lani appear and serve as a credible witness under oath (see Section 4.3).
Documenting Personal Knowledge
When personal knowledge is the basis of identification, two records reflect it:
| Record | Entry |
|---|---|
| Notarial certificate | Wording such as "personally known to me" or "known to me to be the person described" |
| Notary journal | Method recorded as "personal knowledge" rather than an ID type/number |
Because no ID number or expiration can be logged, the journal entry's identity field simply states the method. Optionally noting the relationship (e.g., "sister-in-law, known 12 years") strengthens the record if the act is ever challenged.
Personal Knowledge vs. Credible Witness
Students frequently confuse the two relationship-based methods. The distinction is who knows the signer:
| Personal knowledge | Credible witness |
|---|---|
| The notary knows the signer | A third party knows the signer |
| No ID needed from the signer | The witness must be identified by the notary |
| Notary takes full responsibility | Witness swears an oath as to identity |
The Liability Trap
The danger of personal knowledge is over-claiming it. Asserting that you "personally know" someone you merely met is a false certification — if that person turns out to be an impostor, the notary faces commission revocation and personal civil liability for any fraud the notarization enabled. The exam-safe rule: when in doubt, ask for ID. Personal knowledge is a privilege reserved for genuine, long-standing familiarity, not a shortcut to skip checking a license.
Why Personal Knowledge Is Both Strongest and Riskiest
Personal knowledge is considered the strongest form of identification because it relies on the notary's direct, accumulated familiarity rather than a document that could be forged. Yet it is simultaneously the riskiest for the notary, precisely because there is no document to fall back on. With an ID, the notary can point to the credential examined; with a credible witness, the notary can point to a sworn oath. With personal knowledge, the only evidence is the notary's own certification. If that certification is wrong, the notary stands alone.
Boundary Cases
A few situations sit on the boundary and frequently appear as test items:
| Situation | Personal knowledge? |
|---|---|
| A regular client of five years whose name you have always known | Yes |
| A relative you have not seen since childhood and barely recognize | No — recognition is doubtful |
| A coworker you know only by a nickname, never the legal name | No — you must know the identity claimed on the document |
| A famous public figure you have never personally dealt with | No — fame is not personal dealings |
The nickname case is instructive: personal knowledge must connect the legal name on the document to the person before you. Knowing someone socially as "Kimo" does not establish that he is the "James K. Lee" named in the deed unless your dealings have confirmed that legal identity.
Interaction with the Other Methods
Personal knowledge can also operate within the other two methods. When you identify a credible witness (Section 4.3), you may do so by your personal knowledge of that witness. And in a remote online notarization (Section 4.4), personal knowledge of the remote signer remains a valid basis even though the appearance is by video. In every context the standard is identical: dealings sufficient to provide reasonable certainty of the identity claimed.
Exam Anchors
Lock in three ideas for Section 4.2: personal knowledge requires ongoing dealings, not a single meeting or hearsay; it is the only method needing no document; and the certificate phrase is "personally known to me." When the relationship is thin or the recognition uncertain, the disciplined notary steps back to a qualifying ID or a credible witness rather than over-claiming a familiarity that does not exist.
Personal knowledge as satisfactory evidence of identity requires that the notary:
A man you have never met arrives and says your coworker can vouch that he is the signer named in the deed. What is the correct identification path?