| Name | # Entries |
|---|---|
| Athanasopoulos | 85 |
| Atfield | 83 |
| Annabel | 82 |
| Altschwager | 81 |
| Aumann | 80 |
| Arthurson | 80 |
| Athanasiadis | 80 |
| Altus | 78 |
| Aggarwall | 77 |
| Andrew | 77 |
| Antonello | 77 |
| Arentz | 76 |
| Agostino | 75 |
| A'costa | 74 |
| Agland | 74 |
| Apthorpe | 72 |
| Axisa | 72 |
| Ackerly | 71 |
| Auton | 71 |
| Agars | 71 |
| Allouche | 70 |
| Alqahtani | 69 |
| Ata | 69 |
| Amiet | 69 |
| Attwater | 68 |
| Alberti | 68 |
| Agha | 67 |
| Arias Arias | 67 |
| Arrow Smith | 67 |
| Aulakh | 67 |
| Addul | 67 |
| Atley | 66 |
| Audsley | 66 |
| Aleksic | 66 |
| Addamo | 66 |
| Allitt | 66 |
| Anh | 65 |
| Alomes | 65 |
| Abberton | 65 |
| Alzahrani | 65 |
| Agresta | 65 |
| Apelt | 64 |
| Adamopoulos | 64 |
| Allgood | 64 |
| Anesbury | 62 |
| Andreatta | 62 |
| Ahsan | 61 |
| Arellano | 61 |
| Ardill | 60 |
| Axton | 60 |
| Aly | 59 |
| Ault | 59 |
| Atwal | 59 |
| Aubert | 59 |
| Aisthorpe | 59 |
| Aylmer | 59 |
| Audino | 58 |
| Ahmat | 58 |
| Arcuri | 58 |
| Angelini | 57 |
| Andary | 57 |
| Anagnostopoulos | 57 |
| Argyropoulos | 57 |
| Attia | 57 |
| Aylmore | 55 |
| Afflick | 54 |
| Annells | 54 |
| Alizada | 54 |
| Audet | 54 |
| Adnum | 54 |
| Anthes | 54 |
| Ades | 53 |
| Asimus | 53 |
| Achurch | 52 |
| Addison | 52 |