Namesakes
Cyril of Caesarea
(m) ?-250 
Saints
Cyril
(m) ?-257
Saints
Cyril
(m) 315-386
Saints
Cyril I
(m) c. 376-444
Coptic Popes and Patriarchs of Alexandria 412-444
Saints
Cyril the Philosopher
(m) 827-869
Saints
Cyril II
(m) 10xx-1092
Coptic Popes and Patriarchs of Alexandria 1078-1092
Cyril III
(m) 11xx-1243
Coptic Popes and Patriarchs of Alexandria 1235-1243
Cyril IV
(m) c. 1816-1861
Coptic Popes and Patriarchs of Alexandria 1853-1861
Cyril V
(m) c. 1831-1927
Coptic Popes and Patriarchs of Alexandria 1874-1927
Cyril Porter
(m) 1890-1964
Olympic Medalists 1912 3000 m team (bronze)
Cy Denneny
(m) 1891-1970
Hall-of-Famers 1959 (ice hockey)
Notable Athletes (ice hockey)
Cyril Seedhouse
(m) 1892-1966
Olympic Medalists 1912 4x400 m relay (bronze)
Cyril Norman Hinshelwood
(m) 1897-1967
Nobel Prize Winners 1956 (chemistry)
Cyril Gill
(m) 1902-1989
Olympic Medalists 1928 4x100 m relay (bronze)
Cyril VI
(m) 1902-1971
Coptic Popes and Patriarchs of Alexandria 1959-1971
Cyril Cusack
(m) 1910-1993
Notable Actors and Entertainers (actor)
Cyril Ramaphosa
(m) 1952-
Other Leaders 2018- South Africa (president)
Cyril Julian
(m) 1974-
Olympic Medalists 2000 basketball (silver)