| Cosmo | Dimitrios | |
|---|---|---|
| Meaning | Order, universe | Follower of Demeter |
| Origin | Greek | greek |
| Gender | Boy | Boy |
| Pronunciation | KOZ-moh | dee-MEE-tree-os |
| Syllables | 2 | 4 |
| First appeared | 1910 | 0 |
| Peak year | 2022 (99) | 1976 (76) |
| In 2025 | 80 | 0 |
| Trend | Rising | Vintage |
Source: US Social Security Administration.
| Decade | Cosmo | Dimitrios |
|---|---|---|
| 2020s | 510 | 180 |
| 2010s | 282 | 374 |
| 2000s | 254 | 442 |
| 1990s | 172 | 446 |
| 1980s | 108 | 535 |
| 1970s | 128 | 557 |
| 1960s | 121 | 130 |
| 1950s | 191 | 13 |
| 1940s | 191 | 5 |
| 1930s | 286 | 0 |
| 1920s | 452 | 0 |
| 1910s | 254 | 0 |
Cosmo comes from the Greek kosmos, “order,” “harmony” or “universe.”
Greek Demetrios, meaning 'follower/devotee of Demeter', the goddess of grain, agriculture and the earth (her name combining a word for 'earth/mother' with 'meter', mother).
Cosmo is more popular than Dimitrios today: about 80 US babies were given the name Cosmo in 2025, compared with 0 named Dimitrios.
Cosmo means Order, universe (Greek origin), while Dimitrios means Follower of Demeter (greek origin).
In US records, Cosmo first appears in 1910 and Dimitrios in 0, so Dimitrios has the longer recorded history.