Isaac = One who brings laughter (male)
Isai = God delivers (male)
Isaiah = God delivers (male)
Isair = God delivers (male)
Ishmael = God hears (male)
Ismo = God hears (male)
Israel = A person who struggles with God (male)
Ivan = God is merciful (male)
Ivana = God is merciful (female)
Iwan = God is merciful (male)
Izsak = One who brings laughter (male)
Jaakko = Following after (male)
Jabez = Grief (male)
Jac = God is merciful (male)
Jack = God is merciful (male)
Jackie = one who supplants (male, female)
Jaco = following after (male)
Jacob = Following after (male)
Jacoba = Following after (female)
Jacobina = Following after (female)
Jacobo = Following after (male)
Jacobus = following after (male)
Jacomina = following after (female)
Jacqueline = One who supplants (female)
Jacques = Following after (male)
Jael = Wild as a mountain goat (female)
Jaheem = dignified (male)
Jaime = Following after (male)
Jairo = A person who enlightens (male)
Jajuan = God is merciful (male)
Isai = God delivers (male)
Isaiah = God delivers (male)
Isair = God delivers (male)
Ishmael = God hears (male)
Ismo = God hears (male)
Israel = A person who struggles with God (male)
Ivan = God is merciful (male)
Ivana = God is merciful (female)
Iwan = God is merciful (male)
Izsak = One who brings laughter (male)
Jaakko = Following after (male)
Jabez = Grief (male)
Jac = God is merciful (male)
Jack = God is merciful (male)
Jackie = one who supplants (male, female)
Jaco = following after (male)
Jacob = Following after (male)
Jacoba = Following after (female)
Jacobina = Following after (female)
Jacobo = Following after (male)
Jacobus = following after (male)
Jacomina = following after (female)
Jacqueline = One who supplants (female)
Jacques = Following after (male)
Jael = Wild as a mountain goat (female)
Jaheem = dignified (male)
Jaime = Following after (male)
Jairo = A person who enlightens (male)
Jajuan = God is merciful (male)