Guess my group
Type the first names of your friends, family, or old classmates. We'll guess the year your group was born.
Your group sounds like they were born in
likely born
80% likely range chance by birth year
Names we found
Need a couple more names
Use first names as they'd appear on a birth certificate. Common nicknames like Jen or Mike are matched to the full name. Names with fewer than 100 U.S. births since 1925 aren't in the data.
Share it
Challenge friends: they see your group's names and guess the year.
How the guess works
Every year, the U.S. Social Security Administration counts how many babies got each first name. For every name you type, we look up its share of births in each year from 1925 to 2025. Jennifer, for example, took off in the 1960s and peaked in 1972.
Then we score every year by how common all of your names were at the same time. Years where every name was popular score highest; one name that barely existed that year pulls the score way down. The top year is our guess for when your group was born, and the range covers 80% of the likelihood.
It works best with four or more names of people born within a few years of each other. Mixing parents and kids widens the range. Common nicknames are read as the full name (Jen counts as Jennifer, Mike as Michael), and only the first word of a full name is used. Spelling counts, too: Caitlin peaked in 1988, Kaitlyn in 2000.
More from NameYear
- Today's puzzle — six names, one birth year. Five rounds a day.
- Baby names by year — the top names for each birth year.
- Name pages — when a name peaked and how it rose and fell.