Cognomen Sarah-Jayne (Sarah-Jayne 
) , in all the world, is an extremely rare family name. Much more frequently, Sarah-Jayne is the forename as well as the last name. Parts of the name also exists independently as a first name Sarah, and a first name Jayne.
| VARIANT | COUNTRY |
|---|---|
| Sarah-Jayne | United Kingdom, Australia, Ireland, United States, New Zealand |
Cook, Couhault, Cooper, Barnes, Keenan, Powell, Davies, Jordan, Taylor, Thomas, Newall, Harris, Walker, Wright, Bennett, Roberts, Russell, Johnson, Edwards, Saunders, Robinson, Thompson, Ashton, Miller, Morgan, Morris, Bell, Boyd, King, Kidd, Lamb, Todd, Hart, Hill, Ford, Owen, Harrison, Ward, Allen, Baker, Brown, Burns, Deere, Green, Jones, Evans, White, Martin, Smith, and Williams