The child was always there. The clinical language kept changing.
The behaviour was noticed long before the name became familiar.
Traits we now associate with ADHD were described long before ADHD became a familiar term. Over the twentieth century, the language changed through ideas such as hyperactivity, minimal brain dysfunction, hyperkinetic reaction, ADD and ADHD.
The changing names show that the children and adults were always there. The framework around them kept shifting.
When language changes, people can wrongly think the condition is new or fashionable. It is not that the minds suddenly appeared. It is that medicine, education and society changed how they described them.
This matters because many older adults grew up before ADHD was recognised properly, especially inattentive presentations and ADHD in girls and women.
Awareverse should be clear that a late name does not mean a new reality.
Some people spend decades being called lazy, careless, naughty, chaotic or difficult before anyone recognises executive functioning, attention regulation and support needs.