The English ‘Armstrong‘ is a Middle English nickname for someone who was strong in the arm.
The Irish adaptation means ’strong’ and ’son of the strong man.’

The surname is very popular in the countries of the England that border Scotland; Northumberland and Cumberland.

In United States, the surname is mostly in the northeast states of New York, Pennsylvania to Michigan and Illinois, along with Texas and California.

In the 1880s most Armstrong families were farmers.

Famous: Lance Armstrong (road racing cyclist), Neil Armstrong (American aviator and a former astronaut), Samaire Armstrong (actress), Edwin H. Armstrong (inventor of the radio), Curtis Armstrong (actor), Kerry Armstrong (actress in Australia), Henry Armstrong (feather and lightweight boxing champion), Craig Armstrong (Scottish music composer), Louis Armstrong (Jazz musician) and Alexander Armstrong (British comedian).