Sibling Names Starting With S

46 US sibling names beginning with S, each linking to scored sibling name pairings. Sorted A–Z; switch to popularity below.

S names at a glance

Roughly 1 in 21 US boys and 1 in 13 US girls born in 2025 have a name starting with S — 4.76% and 7.61% of recorded births, against 5.22% and 9.33% in 1990.

Most popular S names on this page
NameForRank in 2015Rank in 2025
Sebastianboys#35#16
Samuelboys#23#18
Santiagoboys#127#26
Sophiagirls#3#5
Sofiagirls#14#9
Scarlettgirls#22#32

Of these names, Scottie has moved up the most in ten years — #3,586 for girls in 2015, #126 in 2025.

On the sibling pages, a brother or sister name that also starts with S scores lower, because two S names are easy to mix up when you call them together.

Sibling Names starting with S

This page lists 46 sibling names beginning with the letter S that are in real current use in the United States — including popular picks like Sophia, Sofia, Sebastian. The count comes from US Social Security Administration public records: every name shown was given to at least a handful of US babies in the latest year, so this is not a list of invented or one-off spellings.

Open any name to see its pairing page — brother and sister names that go with it, each scored for how well it fits. Use the sort control above to switch between A–Z and 2025 popularity. To browse a different letter, go back to all sibling names.