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:
1 Starting at 6 months, let kids occasionally drink from a sippy cup, so when you eventually do get rid of the bottle, your child will already be acquainted with the cup, suggests Corrigan.  Let babies get used to a cup while they're in the tub. They can pour water out of it, drink from it, or even make a mess with it.