How to Find Out Someone’s Birthday: Quick and Easy Tips

Birthdays might seem like simple details, but they’re not always easy to track down, especially if someone keeps their information private online. Whether you’re trying to send a gift, plan a surprise, verify identity, or reconnect with someone from your past, there are legal and ethical ways to find this information.

The key is knowing where to look and how to cross-check sources to ensure accuracy. This guide walks through the most reliable methods for how to find out someone’s birthday, from social media searches to public records and specialized tools.

How to Find Out Someone’s Birthday: 6 Methods

Check Social Media First

Social platforms are often the quickest way to discover a birthday, if the person hasn’t hidden it.

• Facebook is the most common source. If their birthdate is public, it’ll show up under their profile’s “About” section. If not, try scrolling through past posts around the time you suspect their birthday might fall. Birthday wishes from friends often give it away.
• Instagram may not show the exact date, but story highlights and tagged posts around birthdays usually reveal when they celebrated.
• X (formerly Twitter) sometimes surfaces birthday-related tweets or auto-generated “Happy Birthday” responses from followers.
• LinkedIn is less helpful for specific dates, but coworkers or connections may comment when someone updates their age or work anniversary.

Additionally, try searching their username + “birthday” in Google to uncover cached social posts even if they’re hidden now.

Ask Mutual Contacts or Use Casual Conversation

If you know someone close to them, that’s an easy and respectful option.

• Ask a mutual friend or family member, especially if you’re planning something thoughtful like a card or surprise.
• In casual conversation, people sometimes reveal their sign, age, or even mention what they did on their last birthday.
• If you share an office or team, check if there’s a birthday calendar or announcement system in place.

This is usually the most accurate route. Just make sure you’re not being invasive or overly persistent.

Use a People Search Tool

When personal connections and public posts don’t help, it’s time to try a professional people search tool. These databases compile public and semi-public records to return personal details like:

• Full name and aliases.
• Current and past addresses.
• Known relatives.
• Date of birth or age.
• Phone numbers and emails.

While not all platforms guarantee a full birthdate, many will list at least the month and year, and some include the exact day. Choose a reputable people lookup tool that explains where the data comes from and stays compliant with privacy laws.

Search Public Records

Depending on where the person lives, you might find birthdate info in:

• Voter registration databases.
• County court records (especially civil filings or probate documents).
• Property ownership databases.
• Professional license directories.

Some states offer birth indexes online, especially for older records. You’ll usually need at least their full name and an approximate city or county to narrow your results.

That said, please be aware that access varies by jurisdiction. Some records are open to the public, while others may be limited to relatives or require a formal request.

Check Alumni or Business Networks

If you know where they went to school or work, try:

• Alumni directories (some include age or birthday information).
• Business profile pages (bios occasionally list birth years or milestones).
• Company newsletters or press releases.
• HR birthday announcements (if internal and appropriate).

This method is slower but often accurate, especially for people with a public-facing role or professional reputation.

Tap Into Other Digital Clues

Don’t overlook indirect breadcrumbs:

• Some forums or subscription sites display birthday badges or pop-ups.
• Birthday discount programs (e.g., Sephora, Starbucks).
• Online resumes, bios, or reviews can contain birth month or age details.

If they’ve ever shared a birthdate to register or celebrate, that trail might still be online somewhere.

How to Find Out Someone’s Birthday: Respect Privacy

Finding a birthday might feel harmless, but it still involves sensitive information. If you’re learning how to find out someone’s birthday, make sure you’re doing it for the right reasons, like reconnecting, planning something thoughtful, or simply verifying information.

Most importantly, use only legal methods, public records, or mutual contacts, and never attempt to impersonate, scam, or misuse someone’s data. When in doubt, just ask. If the relationship matters, the answer usually comes in time.