| Ion | Chwef | Mawth | Ebr | Mai | Meh | Gorff | Awst | Medi | Hyd | Tach | Rhag |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 |
30 |
31 |
Ym mis Mawrth, ganwyd neu bu farw nifer o bobl bwysig i gynhyrchiad Doctor Who.
| Degawd | Blwyddyn | Person |
|---|---|---|
| 2000au | 2002 | Bu farw Thomasien Heiner. |
| 2010au | 2012 | Bu farw Marion McDougall. |
| 2016 | Bu farw Sonia Markham. | |
| 2020au | 2020 | Bu farw Tim Olroyd. |