Post Nominal Lettering

Pontifical Order of Pius IX

  • Knight or Dame Grand Cross – GCPO
  • Knight or Dame Commander KCPO / DCPO (with or without star)
  • Knight or Dame – KPO / DPO

Pontifical Order of Saint Gregory the Great

  • Knight of Dame Grand Cross – GCSG
  • Knight or Dame Commander KCSG / DCSG (with or without star)
  • Knight or Dame – KSG / DSG

Pontifical Order of Pope Saint Sylvester

  • Knight of Dame Grand Cross – GCSS
  • Knight or Dame Commander KCSS / DCSS (with or without star)
  • Knight or Dame – KSS / DSS