| Name | # Entries |
|---|---|
| Anderson | 2250 |
| Adams | 1317 |
| Allen | 1208 |
| Andrews | 900 |
| Armstrong | 890 |
| Allan | 761 |
| Alexander | 667 |
| Atkinson | 546 |
| A | 526 |
| Aitken | 476 |
| Austin | 451 |
| Arnold | 366 |
| Andrew | 364 |
| Archer | 291 |
| Ali | 284 |
| Arthur | 282 |
| Allison | 281 |
| Auckland | 268 |
| Ashby | 267 |
| Adamson | 261 |
| Abbott | 256 |
| Atkins | 252 |
| Adam | 211 |
| Andersen | 207 |
| Aldridge | 195 |
| Agnew | 191 |
| Avery | 181 |
| Angus | 141 |
| All | 138 |
| Abraham | 136 |
| Abernethy | 131 |
| Ashley | 127 |
| Abel | 123 |
| Aitchison | 120 |
| Anglican | 116 |
| Alpine | 115 |
| Archibald | 111 |
| Alpha | 104 |
| Auto | 102 |
| Adlam | 99 |
| Ami | 97 |
| Appleton | 97 |
| Air | 96 |
| Amos | 92 |
| Amp | 91 |
| Armitage | 91 |
| Ash | 89 |
| Askew | 85 |
| Aston | 85 |
| Anthony | 80 |
| Ayers | 79 |
| Ansell | 79 |
| Ashford | 79 |
| Anderton | 78 |
| Appleby | 78 |
| About | 77 |
| Albert | 77 |
| A1 | 72 |
| Addison | 67 |
| Alderton | 67 |
| Allied | 66 |
| Arnott | 65 |
| Aa | 64 |
| Annan | 64 |
| Alcock | 62 |
| Ardern | 62 |
| Ashcroft | 60 |
| Ahmed | 58 |
| Ainsworth | 58 |
| Adcock | 57 |
| Abc | 55 |
| Ace | 55 |
| Asb | 55 |
| Akaroa | 53 |
| Alexandra | 53 |