| Name | # Entries |
|---|---|
| Jia | 358 |
| Jacobson | 354 |
| Jeon | 346 |
| Jessup | 346 |
| Jeffery | 337 |
| Job | 329 |
| J | 311 |
| Julian | 307 |
| Jurd | 300 |
| Jaeger | 285 |
| Jacka | 268 |
| Janes | 265 |
| James' | 262 |
| Jager | 261 |
| Jun | 260 |
| Jong | 260 |
| Julie | 258 |
| Joshua | 250 |
| Justin | 249 |
| Jennifer | 246 |
| Jolliffe | 241 |
| Jupp | 234 |
| Jowett | 232 |
| Jafari | 231 |
| Jan | 224 |
| Jimenez | 223 |
| Jaensch | 220 |
| Jefferie | 219 |
| Jeffreys | 216 |
| Janson | 213 |
| Jessica | 213 |
| Joubert | 210 |
| Just | 207 |
| Jacob's | 205 |
| Jo Jo | 204 |
| Jeremy | 204 |
| Jukes | 203 |
| Joel | 201 |
| Ju | 197 |
| Jansz | 192 |
| Joanne | 189 |
| Jean | 185 |
| Joe | 184 |
| Jonathan | 182 |
| Jobling | 175 |
| Joiner | 174 |
| Jayasinghe | 173 |
| Jervis | 172 |
| Jamie | 170 |
| Jarvie | 169 |
| Joyner | 167 |
| Jeanes | 164 |
| Jovanovski | 163 |
| Jepson | 163 |
| Joo | 161 |
| Jabbour | 160 |
| Jian | 160 |
| Jeffree | 159 |
| Jubb | 159 |
| Jo | 159 |
| Jeans | 158 |
| Jankovic | 157 |
| Jose' | 157 |
| Jamision | 156 |
| Jess | 155 |
| Justice | 153 |
| Jeffers | 152 |
| Jerome | 151 |
| Johnsen | 148 |
| Jurgens | 145 |
| Jing | 140 |
| Jory | 135 |
| Julius | 131 |
| Janke | 130 |
| Jamal | 130 |