Clementine Vulgate 1598
Sancta ergo et salubris est cogitatio pro defunctis exorare, ut a peccatis solvantur.
2 Maccabees 12:46
2 translations of 23 that include the deuterocanon
Douay-Rheims 1899
It is therefore a holy and wholesome thought to pray for the dead, that they may be loosed from sins.