Here's the top 60 as of the end of 2005: CHICAGO CUBS SEASON HOMERUNS YEAR HR 1 Sammy Sosa 1998 66 2 Sammy Sosa 2001 64 3 Sammy Sosa 1999 63 4 Hack Wilson 1930 56 5 Sammy Sosa 2000 50 T6 Andre Dawson 1987 49 T6 Sammy Sosa 2002 49 8 Dave Kingman 1979 48 9 Ernie Banks 1958 47 10 Derrek Lee 2005 46 11 Ernie Banks 1959 45 12 Ernie Banks 1955 44 13 Ernie Banks 1957 43 14 Billy Williams 1970 42 T15 Ernie Banks 1960 41 T15 Hank Sauer 1954 41 T17 Ryne Sandberg 1990 40 T17 Sammy Sosa 1996 40 T17 Sammy Sosa 2003 40 T20 Hack Wilson 1929 39 T20 Moises Alou 2004 39 T20 Rogers Hornsby 1929 39 T23 Hank Sauer 1952 37 T23 Ernie Banks 1962 37 T23 Gabby Hartnett 1930 37 T23 Billy Williams 1972 37 T27 Sammy Sosa 1997 36 T27 Sammy Sosa 1995 36 T27 Andy Pafko 1950 36 T27 Aramis Ramirez 2004 36 31 Sammy Sosa 2004 35 32 Billy Williams 1965 34 T33 Billy Williams 1964 33 T33 Sammy Sosa 1993 33 T33 Ron Santo 1965 33 T33 Bill Nicholson 1944 33 T37 Rick Monday 1976 32 T37 Ernie Banks 1968 32 T37 Derrek Lee 2004 32 T37 Hank Sauer 1950 32 T37 Jim Hickman 1970 32 T42 Andre Dawson 1991 31 T42 Aramis Ramirez 2005 31 T42 Hack Wilson 1928 31 T42 Ron Santo 1967 31 T42 Henry Rodriguez 1998 31 T47 Fred McGriff 2002 30 T47 Rick Wilkins 1993 30 T47 Ryne Sandberg 1989 30 T47 Hank Sauer 1951 30 T47 Ron Santo 1964 30 T47 Hack Wilson 1927 30 T47 Billy Williams 1968 30 T47 Ron Santo 1966 30 T55 Billy Williams 1966 29 T55 Ernie Banks 1961 29 T55 Bill Nicholson 1943 29 T55 Ron Santo 1969 29 T59 Ernie Banks 1965 28 T59 Ralph Kiner 1953 28 T59 Billy Williams 1967 28 T59 Billy Williams 1971 28 T59 Ernie Banks 1956 28 T59 Dave Kingman 1978 28