Family name Mcgrade (Mcgrade 
) , in the world, is a rare cognomen. The surname Mcgrade is characteristic of Ireland, where it is a rare surname, Australia, and New Zealand. Measured by absolute frequency, it is commonest in the United States, the United Kingdom, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Mcgrade | United Kingdom, Australia, Ireland, United States, Canada |
| arthur stephen mcgrade (b. 1934) |
|