Lily Allen has named her baby daughter Ethel Mary, it has been reported.

The British singer gave birth to her first child with husband Sam Cooper in November. However, Lily has kept a low-profile since becoming a mother and hasn't released any details about the new arrival.

Her daughter's name has been a heavily guarded secret, but NME is reporting that Lily's mother Alison Owen inadvertently revealed her grandchild is called Ethel Mary while posting a message to a pal on Facebook.

Last month Lily took to her Twitter account to thank fans for their support following the birth of her baby.

"Thank you for all the flowers and lovely messages everybody. Very touching indeed. nuff luv x x (sic)," she wrote.

Shortly after Lily welcomed the new arrival into the world in late November, she revealed it was "totes amaze" to be a mother.

Her pregnancy was announced during her wedding to Sam in June last year.

Lily's bundle of joy arrived a year after she suffered a tragic miscarriage after battling a viral infection.

The 26-year-old star is currently taking a break from singing and is running a vintage clothing store in London.

She is also busily working on songs for a new UK theatre production of Bridget Jones' Diary and has launched her own record label.

Although she claimed to be retiring in December 2009, Lily has admitted she misses playing live and has hinted she may return to the charts as a country artist.