Siobhan: It's a girl!
Since 1880, we have no record of any boys being named Siobhan while 2,037 girls were named Siobhan.
The number of U.S. boys and girls named Siobhan each year
| | Siobhan, girls | | | 1979 | | U.S. Babies Given This Name | 278 |
| | Siobhan, girls | | | 1980 | | U.S. Babies Given This Name | 282 |
| | Siobhan, girls | | | 1981 | | U.S. Babies Given This Name | 213 |
| | Siobhan, girls | | | 1982 | | U.S. Babies Given This Name | 228 |
| | Siobhan, girls | | | 1983 | | U.S. Babies Given This Name | 203 |
| | Siobhan, girls | | | 1984 | | U.S. Babies Given This Name | 226 |
| | Siobhan, girls | | | 1985 | | U.S. Babies Given This Name | 234 |
| | Siobhan, girls | | | 1986 | | U.S. Babies Given This Name | 191 |
| | Siobhan, girls | | | 1987 | | U.S. Babies Given This Name | 182 |
What if I can't see data for boys or girls in the chart above?
These charts show the number of boy and girl births each year where a person is given that name. The scale on the chart changes to accommodate the more popular gender. That means if you compare a really popular name for girls with a not-so-popular name for boys, the not-so-popular name registers such a small amount on the chart that you almost can't see it.
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