Is Seong Su a boy or girl name?
Seong Su is listed as a boy name in our name lists. It is recorded in South Korea. Seong Su is too rare in US Social Security records for us to chart.
Where Seong Su is recorded
A country here means the name is recorded there. It is not a ranking.
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Names that start like Seong Su
This page shows only what our lists record for Seong Su. We do not publish name meanings or origins. Sources and method.