Sibling names for Casper
Names that sound like they belong in the same family as Casper usually share its era. These sister and brother names rose and fell on a similar curve to Casper, whose busiest decade was the 2020s, and are about as common, so neither child's name will feel dated or unusual next to the other.
Sister names for Casper
| Name | Meaning | Rank 2025 | Babies, last 5 years | Peak decade |
|---|---|---|---|---|
| Zora | dawn (Slavic) | #969 | 1,537 | 2020s |
| Mazie | pet form of Margaret ('pearl') | #966 | 1,232 | 1920s |
| Lavinia | #2,290 | 405 | 1920s | |
| Lena | short form of Helena, Magdalena and similar names | #279 | 5,792 | 1910s |
| Adelia | #2,117 | 415 | 2010s | |
| Vida | #1,218 | 1,202 | 1920s | |
| Winnie | pet form of Winifred (and others) | #475 | 2,613 | 1920s |
| Leonie | #2,291 | 317 | 2010s | |
| Matilda | might + battle | #365 | 3,750 | 1910s |
| Wilhelmina | #1,517 | 655 | 1910s | |
| Emeline | from Ameline (Germanic amal-) | #2,759 | 336 | 2010s |
| Estella | star | #509 | 2,764 | 1920s |
Brother names for Casper
| Name | Meaning | Rank 2025 | Babies, last 5 years | Peak decade |
|---|---|---|---|---|
| Ambrose | immortal, divine (Greek) | #735 | 1,794 | 2020s |
| Ransom | #1,695 | 517 | 2010s | |
| Smith | #1,483 | 596 | 2010s | |
| Enoch | #746 | 1,707 | 2010s | |
| Price | #2,347 | 264 | 2010s | |
| Levy | #1,705 | 448 | 2020s | |
| Amos | carried, borne (by God) (biblical) | #730 | 2,097 | 1920s |
| Augustus | venerable, majestic | #407 | 3,509 | 2010s |
| Lucius | #1,129 | 773 | 2010s | |
| West | #1,255 | 611 | 2010s | |
| Emmet | little Emma (probably) | #1,555 | 591 | 2010s |
Casper's era
Casper ranked #924 for boys in 2025, against #1,755 in 2015. Its best year was 1889, at #332. Names that rose and fell with it share its period feel, which keeps the set consistent.
Timeless names that go with any sibling
These names have been used steadily for a hundred years, so they sit comfortably next to a name from any era, Casper included.
Girls: Elizabeth, Maria, Lydia, Julia, Miriam, Nina. Boys: Samuel, Anthony, Wesley, Vincent, Victor, Oscar.
Same era, but close to Casper
These names follow Casper's curve too, but we left them out above because they share a first letter or an ending with Casper. Some parents like that echo; if you do, start here.
- Abner same ending as Casper
How these were chosen
Each suggestion's share of US babies has followed a curve close to Casper's since 1880, and its recent number of babies is within about twelve times Casper's, so the names are in the same league. Names starting with the same letter as Casper or with the same ending are left out, so the names go together without matching. Spellings of Casper itself are excluded.