Nope.
The tribe known to the Romans as the Iceni.
Boudicca was queen of the tribe known as the British Iceni. This was a Celtic tribe. They led the uprising against forces who occupied the Roman Empire.
Boudica led a rebellion against the Romans.
As you just have, your spelling is correct- although she was known as 'Boadicea' by the Romans.
It is not known for sure if Boudicca drank poison but in some stories it has been said she and her daughters drank hemlock. Some say she died of an unknown illness.
Boudicca had a great victory over thr Romans, but was eventually beaten by the Romans, and committed suicide, along with her young daughters, who had been violated.
Boudicca was a Celt.
Boudicca was not Scottish. She was English.
She was said to have been fierce, proud, and rather scary.
Boudicca got the poison from a friend
boudicca was married to Prasutagus, and Icenian king