| Name | Meaning | Gender | Origin |
|---|
| Hera | Queen of the Gods | Female | Greek |
| Ian | Form of John | Male | Scottish |
| Imogen | beloved child | Female | Celtic |
| Isabella | pledged to God | Female | Spanish |
| Isabelle | pledged to God | Female | |
| Isadora | gift of the moon | Female | Greek |
| Ivory | The hard, smooth, yellowish-white of an elephant's tusk. | Male | Word |
| Ivy | ivy plant, a wine | Female | Plant |
| Jacinda | Beautiful
| Female | English |
| Jacqueline | Feminine form of Jacques
| Female | |
| Jade | Jewel. Courageous and adoring.
| Female | Spanish |
| Jane | gracious, merciful, God is gracious | Female | English |
| Jasmine | Flower
| Female | Persian |
| Jean | God is gracious | Male | |
| Jewel | Jewel
| Female | Word |
| Jonathan | God gives | Male | Hebrew |
| Josephine | God will increase | Female | |
| Jules | youthful; soft, downy | Male | |
| Julian | Jove's child. Form of Julius and family clan name of several powerful Roman emperors. Biblical Roman centurion Julius saved Paul's life during a hazardous voyage
| Male | English |
| Juliet | youthful | Female | English |
| Juliette | youthful | Female | |
| Katherine | Pure. Used since third century A.D. Early Latin forms Katerina and Caterina became Katharine and Catherine. French Cateline and English Catlyn came into wider use during medieval period when variants multiplied.
| Female | Greek |
| Kingsley | Residence Name | Male | English |
| Kingston | From the king's village or estate King's field. King is one of several titles occasionally used as given names.
| Male | English |
| Lady | A female title of nobility. | Female | |