Cognomen Biggerstaff-Mott (Biggerstaff-Mott 
) , worldwide, is an extremely rare surname. The last name Biggerstaff-Mott is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Biggerstaff, and a last name Mott.
| VARIANT | COUNTRY |
|---|---|
| Biggerstaff-Mott | United States |