Sibling names for Eileen
Names that sound like they belong in the same family as Eileen usually share its era. These sister and brother names rose and fell on a similar curve to Eileen, whose busiest decade was the 1950s, and are about as common, so neither child's name will feel dated or unusual next to the other.
Sister names for Eileen
| Name | Meaning | Rank 2025 | Babies, last 5 years | Peak decade |
|---|---|---|---|---|
| Rita | short form of Margherita, 'pearl' | #1,287 | 827 | 1950s |
| Rosemary | Rose + Mary; also the herb | #251 | 4,984 | 1940s |
| Constance | constancy, steadfastness | #1,501 | 624 | 1950s |
| Nadine | from Nadia; "hope" | #1,627 | 681 | 1950s |
| Roberta | feminine of Robert, 'bright fame' | #2,809 | 300 | 1940s |
| Lorraine | from the region of Lorraine | #1,044 | 904 | 1920s |
| Juanita | pet form of Juana (Joan) | #2,794 | 341 | 1920s |
Brother names for Eileen
| Name | Meaning | Rank 2025 | Babies, last 5 years | Peak decade |
|---|---|---|---|---|
| Gerard | "spear" + "strong" | #1,713 | 589 | 1950s |
| Teddy | pet form of Edward or Theodore | #823 | 1,169 | 1950s |
| Wayne | wagon maker (English surname) | #655 | 1,824 | 1950s |
| Wendell | from the tribal name Wendel | #2,165 | 422 | 1950s |
| Jerome | sacred name | #1,257 | 859 | 1950s |
| Benny | pet form of Benjamin | #841 | 1,197 | 1940s |
| Kenneth | #294 | 6,344 | 1950s | |
| Freddie | pet form of Frederick | #1,510 | 414 | 1940s |
| Donald | world ruler (Gaelic) | #690 | 2,089 | 1930s |
| Alan | #191 | 10,204 | 1950s | |
| Marvin | #699 | 2,134 | 1930s |
Eileen's era
Eileen ranked #654 for girls in 2025, against #698 in 2015. Its best year was 1943, at #68. 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, Eileen included.
Girls: Maria, Lydia, Cecilia, Julia, Miriam, Nina. Boys: Samuel, Anthony, Wesley, Vincent, Calvin, Victor.
Same era, but close to Eileen
These names follow Eileen's curve too, but we left them out above because they share a first letter or an ending with Eileen. Some parents like that echo; if you do, start here.
- Elaine same first letter as Eileen
How these were chosen
Each suggestion's share of US babies has followed a curve close to Eileen's since 1880, and its recent number of babies is within about twelve times Eileen's, so the names are in the same league. Names starting with the same letter as Eileen or with the same ending are left out, so the names go together without matching. Spellings of Eileen itself are excluded.