On record since 1921
Obrien
Just 209 people named Obrien appear in the U.S. record, all of them since 1921. That places it among the rarest names in this catalog. If you know a Obrien, you may know the only one you will ever meet.
It peaked in the 1990s.
U.S. RecordSocial Security, 1880 to 2024
All-time rank#28,995 of 104,819 names
People on record209
Peak decade1990s
First recorded1921