New Westminster (electoral districts)

• New Westminster District, 1871–1872
• New Westminster (electoral district), 1872–1976
• Westminster District, 1914–1919
  • Fraser Valley, 1919–1966
• Fraser Valley East, 1966–1996
• Fraser Valley, 1996–2003
• Surrey (later Surrey—White Rock), 1966–1976
• Surrey—White Rock—North Delta, 1976–1987
• Abbotsford, 2003–present
• Chilliwack—Fraser Canyon, 2004–2015
• Fraser Valley West, 1966–1996
• Langley—Matsqui, 1996, 1997 (never used; named changed to:)
• Langley—Abbotsford, 1997–2003
• Abbotsford, 2003–present
• Langley, 2004–2015
• New Westminster—Coquitlam, 1976–1987
• Burnaby, 1976–1987
• Burnaby—Kingsway, 1987–1996
• Burnaby—Douglas, 1996–2013
• New Westminster—Coquitlam—Burnaby, 1996–2003
• Burnaby—New Westminster, 2003–2013
• New Westminster—Coquitlam, 2003–2013

• New Westminster—Burnaby, 1987–1996, 2015–present

• New Westminster, 1871–present
• New Westminster City, 1871–1912

The New Westminster riding originally included all of the Lower Mainland outside of the City of New Westminster, such that all Fraser Valley and Vancouver ridings are derivatives of the New Westminster riding, which became a three-member renamed Westminster for the 1890 election before being partitioned into four ridings. The following table attempts to trace the lineage of the Lower Mainland ridings (other than those in Vancouver or the North Shore, which can be found on Vancouver (electoral districts):

• Westminster 1890 only
  • Westminster-Chilliwhack 1894–1900
    • Chilliwhack
      • Chilliwack
  • Westminster-Delta 1894–1900
    • Langley 1966–1986
      • Central Fraser Valley (1979–1986)
        • Fort Langley-Aldergrove
        • Abbotsford-Clayburn
        • Abbotsford-Mount Lehman
    • Delta 1903–1986
    • Surrey (1966–1983)
      • Surrey-Newton (1986–present)
      • Surrey-Guildford-Whalley (1986 only)
      • Surrey-White Rock-Cloverdale (1986 only)
  • Westminster-Dewdney1894–1900
    • Dewdney 1903–1986
      • Maple Ridge-Mission (1991–present)
    • Coquitlam (1966–1975)
      • Coquitlam-Moody (1979–1986)
      • Maillardville-Coquitlam (1979–1986)
        • Coquitlam-Maillardville (1991–present)
    • Burnaby (provincial electoral district) (1924–1963)
      • Burnaby-Willingdon (1966–present)
      • Burnaby-Edmonds (1966–present)
      • Burnaby North (1966–present)
  • Westminster-Richmond 1894–1900
    • Richmond 1903–1920, 1966–1986
      • Richmond-Point Grey 1924–1928

And all Vancouver, North Vancouver and West Vancouver ridings are "descendants" of the original New Westminster riding.

• New Westminster, 1871–present