Jack and Olivia have topped the list of the UK's most popular baby names.

According to data just released by the Office of National Statistics, Jack has been amongst the most popular boys names for 11 years, whilst previous number 1 for girls, Jessica, has dropped to number three.

The top 5 boys names are:

1. Jack
2. Thomas
3. Joshua
4. Oliver
5. Harry

The top 5 girls names are:

1. Olivia
2. Grace
3. Jessica
4. Ruby
5. Emily

According to the report, celebrities and the names that celebrities give their children continue to have a marked effect on the popularity of names in the UK. Theo (after footballer Theo Walcott), Shane (2005 X Factor winner), Peaches (Sir Bob Geldof's newly married daughter) have all had a boost this year.

 Link to Office of National Statistics report

Link to other interesting news items on the IdeasForTheKids.com discussion boards

And according to an article on the BBC website, many traditional names are dying out too.

Girls names out of favour include: Gertrude, Edna, Ethel, Irene, Ada, Norah and Olive.

Boys names you don't see too many of these days include: Norman, Walter, Percy, Harold, Ernest, Herbert and Clifford. (last time I heard Norman or Clifford was in Cheers!...  )