| Surname | RootName | Variants | Notes | Author | City | |||||||
| 1851 | Nabarro | see also: Nunes | Verdooner | Amsterdam | ||||||||
| 1852 | Nabarro | Navaro Navarro | see also: Nunes | Bevis Marks Rec. | London | |||||||
| 1853 | Nabarro | Navarro | Studemund | Hamburg | ||||||||
| 1854 | Nahar | Verdooner | Amsterdam | |||||||||
| 1855 | Nahar | Naar | Studemund | Hamburg | ||||||||
| 1856 | Nahar de Castro | see also: Castro | Verdooner | Amsterdam | ||||||||
| 1857 | Nahar Granada | see also: Granada | Verdooner | Amsterdam | ||||||||
| 1858 | Nahar Torres | see also: Torres | Verdooner | Amsterdam | ||||||||
| 1859 | Nahar Torres Mende | see also: Mende | Verdooner | Amsterdam | ||||||||
| 1860 | Nahmias | Namias | Bevis Marks Rec. | London | ||||||||
| 1861 | Nahmias | Namias | Studemund | Hamburg | ||||||||
| 1862 | Nahmiash | Namias | Studemund | Hamburg | ||||||||
| 1863 | Nahon | Ben Nahon | Bevis Marks Rec. | London | ||||||||
| 1864 | Najara | Bevis Marks Rec. | London | |||||||||
| 1865 | Namias | Nehemia | Verdooner | Amsterdam | ||||||||
| 1866 | Namias | Nahmias | Bevis Marks Rec. | London | ||||||||
| 1867 | Namias | Nahmias Nehamia Nehemias Nahmiash | Studemund | Hamburg | ||||||||
| 1868 | Namias Torres | Torres | see also: Torres | Bevis Marks Rec. | London | |||||||
| 1869 | Naphtali | Bevis Marks Rec. | London | |||||||||
| 1870 | Narbonna | see: Lopes | Verdooner | Amsterdam | ||||||||
| 1871 | Nassi | see also: Cohen | Verdooner | Amsterdam | ||||||||
| 1872 | Nasso | Bevis Marks Rec. | London | |||||||||
| 1873 | Natali | Bevis Marks Rec. | London | |||||||||
| 1874 | Nathan | Ben Nathan | Bevis Marks Rec. | London | ||||||||
| 1875 | Nauri | Verdooner | Amsterdam | |||||||||
| 1876 | Navaro | Nabarro | Bevis Marks Rec. | London | ||||||||
| 1877 | Navarro | Nabarro | Bevis Marks Rec. | London | ||||||||
| 1878 | Navarro | Studemund | Hamburg | |||||||||
| 1879 | Nayali | Bevis Marks Rec. | London | |||||||||
| 1880 | Necobb | Bevis Marks Rec. | London | |||||||||
| 1881 | Nehamia | Namias | Studemund | Hamburg | ||||||||
| 1882 | Nehemia | see also: Abendana | Verdooner | Amsterdam | ||||||||
| 1883 | Nehemia Cardozo | Verdooner | Amsterdam | |||||||||
| 1884 | Nehemia Torres | Verdooner | Amsterdam | |||||||||
| 1885 | Nehemias | Namias | Studemund | Hamburg | ||||||||
| 1886 | Neira | see also: Athias | Verdooner | Amsterdam | ||||||||
| 1887 | Nello | Bevis Marks Rec. | London | |||||||||
| 1888 | Nelson | Bevis Marks Rec. | London | |||||||||
| 1889 | Netto | Nietto | "see also: Gomes, Rodrigues" | Verdooner | Amsterdam | |||||||
| 1890 | Netto | Nieto | Bevis Marks Rec. | London | ||||||||
| 1891 | Netto de Paiva | Verdooner | Amsterdam | |||||||||
| 1892 | Neuto | Nieto | Bevis Marks Rec. | London | ||||||||
| 1893 | Nieto | Netto Neuto | Bevis Marks Rec. | London | ||||||||
| 1894 | Nieto | Nietto | Studemund | Hamburg | ||||||||
| 1895 | Nietto | Netto | Verdooner | Amsterdam | ||||||||
| 1896 | Nietto | Nieto | Studemund | Hamburg | ||||||||
| 1897 | Nissim | Bevis Marks Rec. | London | |||||||||
| 1898 | Noah | Bevis Marks Rec. | London | |||||||||
| 1899 | Noah da Costa | see also: Costa | Bevis Marks Rec. | London | ||||||||
| 1900 | Nogueira | Bevis Marks Rec. | London |