Cy

“Variant of Cyril — lordly, masterful (from Greek kyrios, lord)” — Greek (via Cyril) origin

Boy's name · #2539 in the US (2025) · 2000s

Cy has appeared in US records since 1902 — best rank #1013 (1902) · 3,898 babies named Cy all-time · 1 in 33,000 boys born in 2025.

Appears in 2020-2025 birth records of 3 states. See the full state-by-state map on this page.

Famous Cys

Cy Twombly — American painter, sculptor and photographer (1928–2011)
Cy Young — American baseball player (1867–1955)
Cy Coleman — American composer, songwriter, and jazz pianist (1929-2004)
Cy Endfield — American screenwriter and director (1914–1995)
Cy Kendall — American actor (1898-1953)

Among 98 notable people named Cy:

Athletes appear 2.42× more often than among typical names — e.g. Cy Young, American baseball player (1867–1955).

Browse more boy names — popularity, trends and eras for 5,700+ American names, free.