| Name | Meaning | Gender | Origin |
|---|
| Ivy | A Plant name | Girl | |
| Izzie | God is my oath | Girl | |
| Izzy | Gift of Isis, God is my oath | Unisex | |
| Jaanai | Whom Jehovah answers | Boy | Hebrew |
| Jaasau | They will do, Jehovah made | Boy | Hebrew |
| Jabez | Pain, Sorrow | Boy | Hebrew |
| Jabin | Whom God observes | Boy | Hebrew |
| Jacaline | Supplanter | Girl | |
| Jachin | He Establishes, Whom God Strengthens | Boy | Hebrew |
| Jacinda | Hyacinth flower | Girl | |
| Jacinth | Hyacinth flower | Girl | French |
| Jack | Supplanter, God is gracious | Boy | |
| Jackaline | Supplanter | Girl | French |
| Jackalyn | Supplanter | Girl | |
| Jacki | Supplanter | Girl | |
| Jackie | God is Gracious, Supplanter | Unisex | |
| Jacklyn | Supplanter | Girl | |
| Jackson | Son of Jack | Boy | |
| Jaclyn | Supplanter | Girl | |
| Jacob | Supplanter | Boy | Greek |
| Jacobina | Supplanter | Girl | |
| Jacqueline | Supplanter | Girl | French |
| Jacquelyn | Supplanter | Girl | French |
| Jada | He Knows, Wise | Boy | Hebrew |
| Jade | Jade | Unisex | |
| Jaden | Jade | Unisex | |
| Jadon | Judge, Thankful | Boy | Hebrew |
| Jadyn | Jade | Unisex | |
| Jae | Victory | Boy | |
| Jael | Chamois, Ibex, , Mountain Goat | Girl | Hebrew |
| Jafet | Opened, Abundant, Spacious | Boy | |
| Jahleel | God Waits, Whom God has made sick | Boy | Hebrew |
| Jahzeel | Whom God allots | Boy | Hebrew |
| Jai | Victory | Boy | |
| Jaida | Jade | Unisex | |
| Jaiden | Jade | Unisex | |
| Jaime | Supplanter | Girl | |
| Jaimee | Supplanter | Girl | |
| Jaimie | Supplanter | Girl | |
| Jair | Whom God enlightens | Boy | Hebrew |
| Jairus | Whom God enlightens | Boy | Greek |
| Jake | God is gracious | Boy | |
| Jaki | Supplanter | Girl | |
| Jakki | Supplanter | Girl | |
| Jalen | Murmuring, Tarrying | Boy | |
| Jalon | God Lodges, Passing the night, Tarrying | Boy | Hebrew |
| Jamaar | Happy and healthy | Boy | |
| Jamar | Happy and healthy | Boy | Hebrew |
| James | Supplanter | Boy | French |
| Jamesina | Supplanter | Girl | Scottish |
| Jamey | Supplanter | Boy | |
| Jami | Supplanter | Girl | |
| Jamie | Supplanter | Girl | |
| Jamieson | Son of Jamie | Boy | |
| Jamin | The right hand, The right side | Boy | Hebrew |
| Jamison | Son of Jamie, Son of James | Boy | |
| Jan | God is gracious | Girl | |
| Jana | God is gracious | Girl | |
| Janae | God is gracious | Girl | |
| Jancis | God is gracious | Girl | |
| Jane | God is gracious | Girl | French |
| Janeka | God is gracious | Girl | |