What to name your child is one of the biggest life decisions you'll make—after making the decision to have a child in the first place, that is. But with literally hundreds of thousands (if not millions - but that's just me plucking figures out of thin air) of names to choose from, where do you start?One tactic is to go for one of the most popular. It's less likely to cause controversy among family members that way. But it's also nice to be ahead of the trends, so why not pick one of the following names that are set to be popular in 2018.Website Babygaga looked at baby name data from the last couple of years to analyze which ones are up-and-coming, and their inside knowledge allowed them to predict the 40 names for boys and girls that are likely to be most popular for newborns next year, ranked from 20 down to number one.Here's what you're likely to be seeing on birth certificates time and time again in 2018:Girls names:20. Stella19. Harper18. Amelia17. Zoe16. Nora15. Scarlett14. Aurora13. Rylie12. Luna11. Natalie10. Hazel9. Ellie8. Victoria7. Penelope6. Savannah5. Kennedy4. Violet3. Sadie2. Charlotte1. EmmaBoys names:20. Isaac19. Jasper18. Kai17. Lucas16. Hunter15. Joseph14. Logan13. Brandon12. Christopher11. Daniel10. Alexander9. Adam8. Corin7. Dylan6. Reuban5. Theodore4. Oliver3. Atticus2. Jack1. Finn