Family trees:
- Thurstan and (Brereton) Smethwick of Cheshire, UK (Smethwick branch)
- Richard Smithwick of Cheshire, UK (Kilkenny branch)
- Richard and Joan (Swallow) Smethwick of London, UK (Fleet Street branch)
- Richard and Susan (Sumers) Smithwick of Ditcheat, Somerset, UK (Somerset branch)
- Unknown Smithwick of Tipperary, IE (Tipperary branch)
Have renamed this as the information from Burke's is becoming harder to corroborate against deeds. - Henry Smithwick and Anne Hogan of Tipperary, IE (Hogan / Dagg families)
- John and Anna Keefe Smithwick of Kewaunee, WI
- Michael Smithwick and Alice FitzGerald of Tipperary, IE (Doyle family)
- John Smithwick and Catherine Bradshaw of Pallasgrean, IE (Connecticut branch)
- Robert Henry Smithwick and Maria Fennessy of Cottage, Tipperary, IE (California branch)
- John Smithwick and Mary Russell of Cork, IE (Chicago branch)
- William Smithwick and Margaret Hickey of Tipperary, (New York branch)
- William Smithwick and Anastasia Behan of Tipperary, (Australian branch)
Top 100 Surnames in Our Family Tree
Baird
Barry
Bennett
Bleazby
Bossé
Boyd
Boyle
Bradshaw
Brawerman
Brown
Buckley
Cantwell
Carey
Carson
Castles
Clitheroe
Clohessy
Clohesy
Connell
Cote
Craig
Crawley
Croteau
Dagg
Devine
Dionne
Dobbyn
Dunican
Faller
Fenn
Fleming
Fryday
Galvin
Getty
Goldman
Gordon
Grady
Graham
Hayes
Heffernan
Hogan
Hogart / Howard
Howard
Hurley
Johnson
Kane
Katzenellenbogen
Kelly
Kortsarz
Kurtz
Larkin
Lowenstark
Lyons
McAleese
McAllister
McCarthy
McConaghie
McConaghy
McCurdy
McIntyre
McKeeman
McLaughlin
McLean
Meredith
Monkarowicz
Morrison
Murphy
Murray
Nadeau
Nichols
O'Connell
O'Reilly
Quigg
Respler
Rosney
Roux
Ryan
Seiber (Sebor)
Shea
Shirley
Simpson
Smethwick
Smithwick
Soucy
Spiegelman
Stewart
Stuart
Sullivan
Sutker
Sutkier
Taggart
Thompson
Turgeon
Wallace
Wayland
Webb
Weinberg
Weinreb
Wisner
Wynne