A member of the Gauts tribe
Joslyn is a feminine variant of Jocelyn, which originated as a Germanic masculine name. It was introduced to England by the Normans and eventually transitioned to a female name in the 20th century. The name refers to the Gauts, a North Germanic tribe.
Less common today
Joslyn isn't in the latest US Top 1000. It last peaked at #636 in 2011.
US births per 5-year period, 1990βpresent (SSA data).
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British Olympic bronze medalist sprinter