Joslyn
GirlEnglish
Joslyn is a girl name of English origin meaning "God will add, God will increase".
About this name
Gender
Girl
Language
English
Religion
Christian
Popularity
4 / 100
Syllables
2
Length
6 letters
Meaning
God will add, God will increase
Etymology
Feminine variant of Joseph, from Hebrew Yosef, meaning 'he will add'.
Frequently Asked Questions About Joslyn
What does the name Joslyn mean?
Joslyn means "God will add, God will increase", and is of English origin.
What is the origin of the name Joslyn?
Joslyn originates from English, commonly used in Europe/North America.
Is Joslyn a boy or girl name?
Joslyn is typically used as a girl name.
What religion is the name Joslyn associated with?
Joslyn is associated with Christian.
Last updated: June 2026