Last name Newby (Newby 
) , all over the world, is a common cognomen. The last name Newby is characteristic of Jamaica, where it is quite a common surname, the United Kingdom, where it is quite a rare surname, and Australia. In absolute terms, it is the most numerous in the United States, the United Kingdom, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Newby | United Kingdom, Canada, Australia, Jamaica, United States |
| mark newby American politician, US (b. 1638) |
|
|
| jane newby (b. 1697) |
|
|
| peter newby Newby, Peter (1745–1827), Roman Catholic schoolmaster and author (b. 1745) |
|
|
|
dangerfield newby American abolitionist, US (b. 1825) |
|
|
james r. newby American Civil War veteran, NG (b. 1845) |
|
| thomas cautley newby British publisher (b. 1797) |
|
|
| edward w. b. newby American soldier (b. 1808) |
|
|
| emma newby English novelist, GB (b. 1826) |
|
|
| william newby British cricketer (1836-?), GB (b. 1836) |
|
|
| william newby (b. 1826) |
|
|
| isom h. newby American politician, US (b. 1853) |
|
|
| john t. newby American politician, US (b. 1854) |
|
|
| william newby cricketer (1855-1921), ZA (b. 1855) |
|
|
| arthur c. newby American businessman and auto racing pioneer (1865-1933) (b. 1865) |
|
|
| ruth warren newby American artist, US (b. 1886) |
|