| Description: | Most popular names for female newborns in England+Wales 2004, with 2004 as the year of the 2000s | 
| Source: | General Register Office (GRO) | 
| Series: | England+Wales decades | 
| Following list: | 2014 | 
| Previous list: | 1994 | 
| Highest new entries: | Mia (new at 15),  Millie (new at 22),  Isabelle (new at 30),  Ruby (new at 31),  Freya (new at 33) | 
| Largest rises: | Lily +74 (now at 16),  Caitlin +73 (now at 25),  Ella +67 (now at 14),  Ellie +66 (now at 2),  Amelia +56 (now at 19) | 
| Largest falls: | Jade -74 (now at 90),  Victoria -72 (now at 99),  Laura -69 (now at 78),  Georgina -60 (now at 95),  Katherine -55 (now at 100) |