It derives from the pet name Atkin, which is a diminutive of Adam. In Scotland the name is more usually rendered as Acheson, while it is more usually found rendered as Atkinson in England, where it is particularly common in the north.
By the time babies are between 9 and 12 months old, they're often ready to make the switch from bottle to cup. At this age, they're more interested in what's going on around them than they are in sucking on a breast or bottle. But phasing out the bottle this early means planning ahead. Here are some tips:
Drinking from a cup is also an important skill for your baby to learn. Once you are starting to give your baby solid foods by around 6 months of age, you can give your baby some tap water to drink from a cup. When you change your baby from formula on to regular cow's milk at 12 months of age, use a cup.