Popularity in Czechia
Numbers
| Irena (feminine) | |||
| Year | Rank | Times Used | |
| 2016 | #189 | 24 | |
| 2015 | - | - | |
| 2014 | - | - | |
| 2013 | - | - | |
| 2012 | - | - | |
| 2011 | #186 | 23 | |
| 2010 | #161 | 29 | |
| 2009 | #176 | 25 | |
| 2008 | #168 | 26 | |
| 2007 | #146 | 33 | |
| 2006 | #134 | 35 | |
| 2005 | #115 | 39 | |
| 2004 | #146 | 25 | |
| 2003 | #102 | 46 | |
| 2002 | #98 | 46 | |
| 2001 | #110 | 34 | |
| 2000 | #84 | 57 | |
| 1999 | #100 | 39 | |
| 1998 | #86 | 55 | |
| 1997 | #91 | 48 | |
| 1996 | #79 | 62 | |
| 1995 | #84 | 66 | |
| 1994 | #74 | 96 | |
| 1993 | #74 | 109 | |
| 1992 | #70 | 117 | |
| 1991 | #61 | 152 | |
| 1990 | #67 | 130 | |
| 1989 | #57 | 193 | |
| 1988 | #55 | 192 | |
| 1987 | #59 | 182 | |
| 1986 | #51 | 264 | |
| 1985 | #53 | 252 | |
| 1984 | #51 | 284 | |
| 1983 | #48 | 334 | |
| 1982 | #45 | 362 | |
| 1981 | #41 | 423 | |
| 1980 | #45 | 426 | |
| 1979 | #46 | 482 | |
| 1978 | #43 | 546 | |
| 1977 | #39 | 645 | |
| 1976 | #40 | 645 | |
| 1975 | #36 | 783 | |
| 1974 | #34 | 831 | |
| 1973 | #33 | 894 | |
| 1972 | #31 | 855 | |
| 1971 | #23 | 1015 | |
| 1970 | #19 | 1100 | |
| 1969 | #25 | 883 | |
| 1968 | #26 | 771 | |
| 1967 | #28 | 725 | |
| 1966 | #24 | 812 | |
| 1965 | #21 | 926 | |
| 1964 | #17 | 1076 | |
| 1963 | #18 | 1136 | |
| 1962 | #18 | 1032 | |
| 1961 | #19 | 1039 | |
| 1960 | #18 | 991 | |
| 1959 | #18 | 1035 | |
| 1958 | #18 | 1052 | |
| 1957 | #18 | 1177 | |
| 1956 | #18 | 1168 | |
| 1955 | #18 | 1154 | |
| 1954 | #19 | 1107 | |
| 1953 | #23 | 852 | |
| 1952 | #24 | 858 | |
| 1951 | #26 | 837 | |
| 1950 | #30 | 714 | |
| 1949 | #29 | 654 | |
| 1948 | #30 | 614 | |
| 1947 | #31 | 574 | |
| 1946 | #31 | 476 | |
| 1945 | #26 | 483 | |
| 1944 | #22 | 653 | |
| 1943 | #22 | 608 | |
| 1942 | #22 | 524 | |
| 1941 | #23 | 473 | |
| 1940 | #22 | 473 | |
| 1939 | #22 | 413 | |
| 1938 | #25 | 360 | |
| 1937 | #23 | 388 | |
| 1936 | #21 | 390 | |
| 1935 | #24 | 332 | |
 |
|||