How to Find Someone's Date of Birth

A person's date of birth is one of the most commonly needed pieces of identifying information. You might need it to verify someone's identity, to confirm you have found the right person in a search, to send a birthday greeting, or for legitimate legal and business purposes. Here is how to find it using free and accessible methods.

Why Date of Birth Matters in People Searches

Date of birth serves as a key differentiator when searching for people. If you are looking for someone named Michael Johnson, there could be thousands of results. Add a date of birth — or even just a birth year — and the list shrinks dramatically. This is why people search tools like ActualPeopleSearch include age and approximate date of birth in their results.

Method 1: People Search Engines

The most straightforward approach is to use a people search tool that aggregates public records.

ActualPeopleSearch's Search Results

When you search for someone by name on ActualPeopleSearch, the results include the person's age for each matching record. For many records, the full date of birth or at least the birth year is available in the detailed profile. This information comes from public records including voter registrations, property records, and other government filings where date of birth is collected.

To find a date of birth on ActualPeopleSearch:

1. Search by name using the name search tool.
2. If multiple results appear, use location and age filters to identify the right person.
3. Click through to the full profile to see available date of birth information.

Method 2: Social Media

Social media platforms collect date of birth during registration, and many users share it publicly.

Facebook Birthday Search

Facebook is the single best social media source for birthdays:

• Check the person's About section under "Basic Info" — many users leave their birthday visible.
• Even if the full birthday is hidden, Facebook's birthday notification feature will alert you when a friend's birthday is approaching.
• Search Facebook for birthday wishes on the person's timeline around a suspected date. Friends often post "Happy Birthday" messages, which pinpoint the exact date.

Other Platforms

• LinkedIn does not display birthdays publicly but collects them — connections may receive birthday notifications.
• Instagram does not show birthdays, but birthday-related posts from friends can reveal the date.
• X — some users tweet about their own birthday, making a search like from:username birthday or from:username born potentially useful.

Method 3: Public Records

Several types of public records contain dates of birth.

Vital Records

Birth certificates are the definitive source, but they are typically only accessible to the person named on the certificate, their parents, or legal representatives. However, some states make birth indexes — which list names, dates, and places of birth without the full certificate — publicly accessible.

Voter Registration

In many states, voter registration records include date of birth and are considered public records. Depending on the state, you can:

• Search online through the state's voter lookup portal
• Request records from the county elections office
• Access them through people search engines like ActualPeopleSearch that incorporate voter data

Court Records

Court documents frequently include dates of birth, especially in:

• Criminal case records
• Civil lawsuit filings
• Divorce decrees
• Probate records

Many state court systems offer free online case searches that display this information.

Property Records

Some property records and mortgage documents include the owner's date of birth, though this is less common than in other record types.

Method 4: Obituaries and Genealogy Sites

Obituaries almost always include the deceased person's date of birth and date of death. If you are looking for the birthday of a living person's relative, finding a family member's obituary can provide family birth dates mentioned in the text.

Genealogy Resources

• FamilySearch.org — a free genealogy platform with billions of records including birth dates
• FindAGrave.com — grave marker photos often display birth and death dates
• Ancestry.com — requires a subscription for full access but some records are free
• State archives — many states have digitized historical vital records

Method 5: Professional and Business Records

Certain professional contexts require date of birth disclosure:

• Business registration filings — some states require officer dates of birth in corporate filings
• Professional license applications — certain licensing boards include DOB in public records
• SEC filings — corporate officers' ages (and sometimes birth dates) appear in proxy statements and annual reports

Method 6: Ask Directly or Through Contacts

The simplest approach is often the best:

• Ask the person directly. If your reason is straightforward (planning a birthday surprise, verifying identity for a legitimate purpose), most people will share this information willingly.
• Ask mutual friends or family. Someone in your shared network likely knows the birthday.
• Check old documents. If you have had a previous relationship with this person, their date of birth might appear in old emails, contracts, or shared documents.

Verifying a Date of Birth

If you have found a date of birth and want to confirm its accuracy, cross-reference it across multiple sources:

1. Check ActualPeopleSearch — does the age in the search results align with the DOB you found?
2. Look at social media — do birthday posts match the date?
3. Review public records — does the voter registration or court record DOB match?

Consistency across multiple independent sources is strong evidence that the information is correct.

Privacy Considerations

Date of birth is considered personally identifiable information (PII) and is a component used in identity verification by banks, healthcare providers, and government agencies. Because of this:

• Never use someone's date of birth for fraudulent purposes such as identity theft.
• Be mindful of sharing someone else's DOB without their consent.
• If you are collecting DOB for a legitimate business purpose, handle it with appropriate data security.

While dates of birth appear in many public records, using that information responsibly is both an ethical and legal obligation.