Y gwahaniaeth rhwng diwygiadau o "Canol Caerdydd (etholaeth seneddol)"

== Aelodau Senedol ==
 
* 1918 – 1924: [[James Gould]] ([[Y Blaid Geidwadol (DU)|Ceidwadol]])
* 1924 – 1929: [[Lewis Lougher]] ([[Y Blaid Geidwadol (DU)|Ceidwadol]])
* 1929 – 1945: [[Ernest Bennett]] ([[Y Blaid Lafur (DU)|Llafur]], ''1929-1931'' / [[Y Blaid Lafur (DU)|Llafur Cenedlaethol]], ''1931-1945'')
* 1945 – 1950: [[George Thomas]] ([[Y Blaid Lafur (DU)|Llafur]])
* dilewyd yr etholaeth yn 1950
* etholaeth ail-greu
* 1983 – 1992: [[Ian Grist]] ([[Y Blaid Geidwadol (DU)|Ceidwadol]])
* 1992 – 2005: [[Jon Owen Jones]] ([[Y Blaid Lafur (DU)|Llafur]] / Co-op)