Friendlies Clubs   M. W D L goals
  Away 1 0 1 0 1 : 1
  1 0 1 0 1 : 1
FA Cup   M. W D L goals
  at home 2 1 1 0 1 : 0
  Away 4 0 0 4 3 : 10
  6 1 1 4 4 : 10
League Cup   M. W D L goals
  at home 4 1 2 1 3 : 4
  Away 4 1 0 3 1 : 5
  8 2 2 4 4 : 9
League One   M. W D L goals
  at home 8 4 1 3 12 : 6
  Away 8 2 3 3 11 : 14
  16 6 4 6 23 : 20
League Two   M. W D L goals
  at home 3 1 1 1 3 : 3
  Away 3 1 1 1 2 : 2
  6 2 2 2 5 : 5
overall   M. W D L goals
  at home 17 7 5 5 19 : 13
  Away 20 4 5 11 18 : 32
  Neutral Place 0 0 0 0 0 : 0
  37 11 10 16 37 : 45
Friendlies Clubs
2019 Week Gillingham FC - Southend United 1:1 (1:1)
FA Cup
2009/2010 1. Round Gillingham FC - Southend United 3:0 (2:0)
1969/1970 1. Round Gillingham FC - Southend United 2:1
1969/1970 1. Round Southend United - Gillingham FC 0:0
1960/1961 2. Round Gillingham FC - Southend United 3:2
1927/1928 2. Round Gillingham FC - Southend United 2:0
1925/1926 2. Round Southend United - Gillingham FC 1:0
League Cup
2020/2021 1. Round Gillingham FC - Southend United 1:0 (1:0)
2016/2017 1. Round Southend United - Gillingham FC 1:3 (1:0)
1998/1999 1. Round Gillingham FC - Southend United 0:1 (0:0)
1998/1999 1. Round Southend United - Gillingham FC 1:0 (0:0)
1985/1986 1. Round Gillingham FC - Southend United 2:0
1985/1986 1. Round Southend United - Gillingham FC 1:1
1966/1967 1. Round Gillingham FC - Southend United 2:0 aet
1966/1967 1. Round Southend United - Gillingham FC 0:0
League One
2019/2020 26. Round Southend United - Gillingham FC 0:1 (0:0)
2019/2020 12. Round Gillingham FC - Southend United 3:1 (1:0)
2018/2019 26. Round Southend United - Gillingham FC 2:0 (1:0)
2018/2019 13. Round Gillingham FC - Southend United 0:2 (0:0)
2017/2018 41. Round Southend United - Gillingham FC 4:0 (4:0)
2017/2018 4. Round Gillingham FC - Southend United 3:3 (0:1)
2016/2017 34. Round Gillingham FC - Southend United 2:1 (2:0)
2016/2017 1. Round Southend United - Gillingham FC 1:3 (1:1)
2015/2016 37. Round Southend United - Gillingham FC 1:1 (1:0)
2015/2016 15. Round Gillingham FC - Southend United 1:1 (0:1)
2009/2010 40. Round Gillingham FC - Southend United 3:0 (0:0)
2009/2010 15. Round Southend United - Gillingham FC 1:0 (0:0)
2007/2008 22. Round Gillingham FC - Southend United 1:1 (0:0)
2007/2008 5. Round Southend United - Gillingham FC 3:0 (2:0)
2005/2006 42. Round Southend United - Gillingham FC 0:1 (0:0)
2005/2006 12. Round Gillingham FC - Southend United 1:2 (0:0)
League Two
2012/2013 26. Round Southend United - Gillingham FC 0:1 (0:1)
2012/2013 7. Round Gillingham FC - Southend United 1:0 (1:0)
2011/2012 31. Round Gillingham FC - Southend United 1:2 (0:2)
2011/2012 8. Round Southend United - Gillingham FC 1:0 (0:0)
2010/2011 36. Round Southend United - Gillingham FC 2:2 (1:2)
2010/2011 9. Round Gillingham FC - Southend United 0:0 (0:0)

For games that were decided on penalties the score after 120 minutes will be included in the ranking