Every name given to a US baby since 1880, ranked year by year — straight from Social Security Administration birth records. 105,966 names · 375,362,447 births · public domain.

Lennart

#7,982 most common boys' name of all time · #20,097 across all names · 100% male / 0% female · used 1911–2021

Rank among boys
#7,982
Rank overall
#20,097 of 105,966
First appeared
1911
Years on the list
50 of 146
All-time
426
Since 2016
5
Peak year
1916 #1,761
Best rank
#1,761 1916
Girls Boys peak 18/yr
192019401960198020002020

Lennart first appears in 1911. That's the first year it was given to at least 5 US babies, which is the threshold below which the SSA withholds a name.

Year by year

YearGirlsBoysTotalRank
2021 — 5 5 #12,266
2012 — 8 8 #8,924
2010 — 5 5 #12,340
2006 — 5 5 #12,171
1977 — 5 5 #5,987
1964 — 6 6 #3,730
1963 — 8 8 #3,149
1962 — 5 5 #4,191
1959 — 8 8 #3,127
1958 — 6 6 #3,684
1957 — 6 6 #3,713
1956 — 7 7 #3,337
1952 — 7 7 #3,193
1951 — 7 7 #3,182
1950 — 5 5 #3,833
1948 — 7 7 #3,144
1947 — 7 7 #3,206
1946 — 7 7 #3,034
1944 — 8 8 #2,736
1943 — 13 13 #2,135
1942 — 9 9 #2,623
1940 — 7 7 #2,976
1939 — 5 5 #3,654
1938 — 8 8 #2,750
1937 — 9 9 #2,598
1936 — 8 8 #2,744
1935 — 15 15 #1,902
1934 — 7 7 #3,097
1933 — 9 9 #2,648
1932 — 12 12 #2,270
1931 — 13 13 #2,178
1930 — 16 16 #1,940
1929 — 11 11 #2,530
1928 — 13 13 #2,345
1927 — 8 8 #3,258
1926 — 10 10 #2,812
1925 — 17 17 #1,996
1924 — 11 11 #2,720
1923 — 6 6 #3,950
1922 — 10 10 #2,900
1921 — 8 8 #3,302
1920 — 7 7 #3,595
1919 — 5 5 #4,309
1918 — 7 7 #3,477
1917 — 8 8 #3,060
1916 — 18 18 #1,761
1915 — 12 12 #2,259
1914 — 10 10 #2,221
1913 — 7 7 #2,411
1911 — 5 5 #1,971