Leading sire in North America
Appearance
The list below shows the leading sire of Thoroughbred racehorses in North America for each year since 1830. This is determined by the amount of prizemoney won by the sire's progeny during the year. It is restricted to stallions which are based in North America, but currently includes earnings from overseas races in Great Britain, Ireland, France, Italy, Germany and the United Arab Emirates as well as domestic earnings.
- 1830 - Sir Charles
- 1831 - Sir Charles
- 1832 - Sir Charles
- 1833 - Sir Charles
- 1834 - Monsieur Tonson
- 1835 - Bertrand
- 1836 - Sir Charles
- 1837 - Leviathan
- 1838 - Leviathan
- 1839 - Leviathan
- 1840 - Medoc
- 1841 - Medoc
- 1842 - Priam
- 1843 - Leviathan
- 1844 - Priam
- 1845 - Priam
- 1846 - Priam
- 1847 - Glencoe
- 1848 - Leviathan / Trustee
- 1849 - Glencoe
- 1850 - Glencoe
- 1851 - Boston
- 1852 - Boston
- 1853 - Boston
- 1854 - Glencoe
- 1855 - Glencoe
- 1856 - Glencoe
- 1857 - Glencoe
- 1858 - Glencoe
- 1859 - Albion
- 1860 - Revenue
- 1861 - Lexington
- 1862 - Lexington
- 1863 - Lexington
- 1864 - Lexington
- 1865 - Lexington
- 1866 - Lexington
- 1867 - Lexington
- 1868 - Lexington
- 1869 - Lexington
- 1870 - Lexington
- 1871 - Lexington
- 1872 - Lexington
- 1873 - Lexington
- 1874 - Lexington
- 1875 - Leamington
- 1876 - Lexington
- 1877 - Leamington
- 1878 - Lexington
- 1879 - Leamington
- 1880 - Bonnie Scotland
- 1881 - Leamington
- 1882 - Bonnie Scotland
- 1883 - Billet
- 1884 - Glenelg
- 1885 - Virgil
- 1886 - Glenelg
- 1887 - Glenelg
- 1888 - Glenelg
- 1889 - Rayon d'Or
- 1890 - St. Blaise
- 1891 - Longfellow
- 1892 - Iroquois
- 1893 - Himyar
- 1894 - Sir Mordred
- 1895 - Hanover
- 1896 - Hanover
- 1897 - Hanover
- 1898 - Hanover
- 1899 - Albert
- 1900 - Kingston
- 1901 - Sir Dixon
- 1902 - Hastings
- 1903 - Ben Strome
- 1904 - Meddler
- 1905 - Hamburg
- 1906 - Meddler
- 1907 - Commando
- 1908 - Hastings
- 1909 - Ben Brush
- 1910 - Kingston
- 1911 - Star Shoot
- 1912 - Star Shoot
- 1913 - Broomstick
- 1914 - Broomstick
- 1915 - Broomstick
- 1916 - Star Shoot
- 1917 - Star Shoot
- 1918 - Sweep
- 1919 - Star Shoot
- 1920 - Fair Play
- 1921 - Celt
- 1922 - McGee
- 1923 - The Finn
- 1924 - Fair Play
- 1925 - Sweep
- 1926 - Man o' War
- 1927 - Fair Play
- 1928 - High Time
- 1929 - Chicle
- 1930 - Sir Gallahad III
- 1931 - St Germans
- 1932 - Chatterton
- 1933 - Sir Gallahad III
- 1934 - Sir Gallahad III
- 1935 - Chance Play
- 1936 - Sickle
- 1937 - The Porter
- 1938 - Sickle
- 1939 - Challenger II
- 1940 - Sir Gallahad III
- 1941 - Blenheim II
- 1942 - Equipoise
- 1943 - Bull Dog
- 1944 - Chance Play
- 1945 - War Admiral
- 1946 - Mahmoud
- 1947 - Bull Lea
- 1948 - Bull Lea
- 1949 - Bull Lea
- 1950 - Heliopolis
- 1951 - Count Fleet
- 1952 - Bull Lea
- 1953 - Bull Lea
- 1954 - Heliopolis
- 1955 - Nasrullah
- 1956 - Nasrullah
- 1957 - Princequillo
- 1958 - Princequillo
- 1959 - Nasrullah
- 1960 - Nasrullah
- 1961 - Ambiorix
- 1962 - Nasrullah
- 1963 - Bold Ruler
- 1964 - Bold Ruler
- 1965 - Bold Ruler
- 1966 - Bold Ruler
- 1967 - Bold Ruler
- 1968 - Bold Ruler
- 1969 - Bold Ruler
- 1970 - Hail to Reason
- 1971 - Northern Dancer
- 1972 - Round Table
- 1973 - Bold Ruler
- 1974 - T.V. Lark
- 1975 - What a Pleasure
- 1976 - What a Pleasure
- 1977 - Dr. Fager
- 1978 - Exclusive Native
- 1979 - Exclusive Native
- 1980 - Raja Baba
- 1981 - Nodouble
- 1982 - His Majesty
- 1983 - Halo
- 1984 - Seattle Slew
- 1985 - Buckaroo
- 1986 - Lyphard
- 1987 - Mr. Prospector
- 1988 - Mr. Prospector
- 1989 - Halo
- 1990 - Alydar
- 1991 - Danzig
- 1992 - Danzig
- 1993 - Danzig
- 1994 - Broad Brush
- 1995 - Palace Music
- 1996 - Cozzene
- 1997 - Deputy Minister
- 1998 - Deputy Minister
- 1999 - Storm Cat
- 2000 - Storm Cat
- 2001 - Thunder Gulch
- 2002 - El Prado
- 2003 - A.P. Indy
- 2004 - Elusive Quality
- 2005 - Saint Ballado
- 2006 - A.P. Indy
- 2007 - Smart Strike
- 2008 - Smart Strike
- 2009 - Giant's Causeway
- 2010 - Giant's Causeway
- 2011 - Distorted Humor