Name
- Hutchinson-Cockburn, J., Reverend1
- Hérédia, John Ferdinand, Grand Master of the Hospitallers 1376-13961
- Iago, William, Reverend1
- Ibelin, Jean, Count of Jaffa and Ascalon, d 12661
- Inchaffray Abbey, Perthshire1
- Ingrams, S, of Croydon1
- Innocent III, Pope, 1160/61-1216, http://isni.org/isni/000000... http://viaf.org/viaf/160177871
- Irforth, Peter, Perpetual Vicar of St. Mary's, Beverley1
- Isaac Comnenus, Emperor of Eastern Empire1
- Isabella of Hainault, Queen Consort of Philip II Augustus of France, 1170-11901
- Ivo 'filius Laman'1
- Jacob, the Jew1
- James II, Duke of Brunswick-Lüneburg1
- James, Abbat of Grandmont1
- James, Catharine A-, Mrs; of Macclesfield1
- Jeayes, Isaac Herbert, of Seal CXLV1
- Jeayes, Isaac Herbert, of the British Museum1
- Jebb, Heneage Horsley, Reverend; rector of Pottesgrove1
- Jenner, Henry, of the British Museum1
- John XXI, Pope, or XXII1