Name
- Oddsson, Þordr, Priest of Völlr in south Iceland1
- Olafsdóttir, Steinunn1
- Olafsson, Steffán, Priest at Vallanes in E Iceland, d 16871
- Olavius, Erlendus1
- Onzeele, E., of Ghent; (?) Belgian socialist1
- Orkney, Family1
- Paepe, César, Belgian socialist1
- Paravicini, Tito Vespasiano, Italian architect1
- Patmore, Coventry Kersey Dighton, poet1
- Paulsen, Nicolas, Professor of Theology at Copenhagen1
- Pease, Edward Reynolds, secretary of the Fabian Society, 1857-19551
- Pennell, Joseph, artist1
- Peter, Saint, Apostle and martyr1
- Petit, of Add MS 48641
- Petursson, Hallgrimr, Priest in Saurboer, Iceland, d 16741
- Philip, Saint, Apostle1
- Pidgeon, M. Hester1
- Pihan-Delaforest, printer, of Paris1
- Pobudka, Polish Socialist monthly in Paris1
- Pougez, G., of 'La Sociale', Paris1