- Stacey Karsten to Michael Kartman
- Paul Kartman to Helen Karwowski
- Henry Karwowski to Mary Kasberg
- Michael Kasberg to Keith Kase
- Kenneth Kase to Mark Kaser
- Martha Kaser to Ronald Kash
- Rose Kash to Vikas Kashyap
- Vikram Kashyap to Stanley Kaskie
- Joseph Kaskiewicz to Mary Kasowski
- Michael Kasowski to Samuel Kasparian
- Thomas Kasparian to Jacquelyn Kasper
- Jake Kasper to Ryan Kasper
- Sally Kasper to Gary Kasprzak
- Grace Kasprzak to Dorothy Kass
- Doug Kass to Amsale Kassa
- Aster Kassa to Carol Kassas
- George Kassas to Mike Kassem
- Mohamad Kassem to Souad Kassis
- William Kassis to Glenda Kast
- Gregory Kast to Allen Kasten
- Alvin Kasten to Myron Kasten
- Nancy Kasten to Melanie Kaster
- Melissa Kaster to Eleanor Kastner
- Elise Kastner to John Kastor
- Joseph Kastor to Kitty Kat
- Andrew Kata to John Katchur
- Mary Katchur to Gerald Kates
- Gina Kates to James Kath
- Jason Kath to John Kathy
- Johnson Kathy to Elizabeth Kato
- Ellen Kato to Noboru Kato
- Nobuko Kato to Janice Katona
- Jason Katona to Tatyana Kats
- Timothy Kats to Michelle Katt
- Nancy Katt to Alyssa Katz
- Amanda Katz to Edna Katz
- Edward Katz to Jamie Katz
- Jan Katz to Mark Katz
- Marla Katz to Sandi Katz
- Sandor Katz to Daniel Katzenberg
- John Katzenberg to Donna Katzman
- Douglas Katzman to Mary Kauble
- Michael Kauble to Benjamin Kauffman
- Benuel Kauffman to George Kauffman
- Georgia Kauffman to Lillian Kauffman
- Linda Kauffman to Spencer Kauffman
- Stacey Kauffman to Aimee Kaufman
- Al Kaufman to Dale Kaufman
- Damon Kaufman to Hope Kaufman
- Howard Kaufman to Leonard Kaufman
- Leonid Kaufman to Peggy Kaufman
- Penny Kaufman to Wanda Kaufman
- Warren Kaufman to Joel Kaufmann
- John Kaufmann to Henry Kaufusi
- Tevita Kaufusi to Tina Kaul
- Todd Kaul to Brian Kauppila
- David Kauppila to Harinder Kaur
- Harinderpal Kaur to Manveen Kaur
- Manveer Kaur to Satwant Kaur
- Satwinder Kaur to Samina Kausar
- Shabana Kausar to Bradley Kautz
- Brandon Kautz to Sara Kautz
- Sarah Kautz to John Kavan
- Joseph Kavan to Meghan Kavanagh
- Melanie Kavanagh to Grace Kavanaugh
- Gregory Kavanaugh to Walter Kavanaugh
- Wanda Kavanaugh to Zbigniew Kawa
- Peter Kawaa to Tomoko Kawakami
- Wayne Kawakami to Wayne Kawamura
- William Kawamura to David Kawecki
- Edward Kawecki to Cecilia Kay
- Celia Kay to Grant Kay
- Greg Kay to Lindsey Kay
- Lisa Kay to Ronald Kay
- Ronda Kay to Michael Kaya
- Michelle Kaya to Emanuel Kaye
- Emily Kaye to Miriam Kaye
- Mitchell Kaye to Kenneth Kayga
- Mitra Kayghobadi to Judith Kaylor
- Judy Kaylor to Anna Kays
- Anthony Kays to Albert Kayser
- Alexander Kayser to Ruth Kayser
- Ryan Kayser to Thomas Kazanjian
- Tracy Kazanjian to Babak Kazemi
- Bijan Kazemi to Elizabeth Kazmark
- Michael Kazmark to Michael Kazmierowski
- Amy Kazmierski to Ronald Kea
- Ronnie Kea to Adam Keagy
- Barbara Keagy to John Kealoha
- Jonathan Kealoha to Josephine Kean
- Joshua Kean to Cheryl Keane
- Chris Keane to Margaret Keane
- Margie Keane to John Keany
- Joseph Keany to George Kearley
- Harry Kearley to Christine Kearney
- Christo Kearney to Jeanette Kearney
- Jeanne Kearney to Miriam Kearney
- Mitchell Kearney to Willie Kearney
- Willis Kearney to Frank Kearns
- Fred Kearns to Martha Kearns
- Martin Kearns to John Kearny
- Joseph Kearny to Eric Keary
- George Keary to Wayne Keast
- William Keast to Sara Keathley
- Sarah Keathley to Edwin Keating
- Eileen Keating to Margaret Keating
- Margo Keating to Ashley Keatley
- Barbara Keatley to Elbert Keaton
- Eleanor Keaton to Morris Keaton
- Myrtle Keaton to Helen Keats
- Howard Keats to Peter Keay
- Richard Keay to Allan Keck
- Allen Keck to Herman Keck
- Holly Keck to Regina Keck
- Renee Keck to Timothy Keckler
- William Keckler to Richard Kedzior
- Robert Kedzior to Franklin Kee
- Fred Kee to Nicholas Kee
- Nicole Kee to Linda Keeble
- Lisa Keeble to Jenny Keech
- Jesse Keech to Alvin Keefe
- Alyssa Keefe to Jeremy Keefe
- Jerome Keefe to Sherri Keefe
- Sherry Keefe to Ernest Keefer
- Esther Keefer to Mike Keefer
- Mildred Keefer to Julie Keefover
- Michael Keefover to Jody Keegan
- Joe Keegan to Wayne Keegan
- Wendy Keegan to William Keehn
- James Keehne to Garry Keel
- Gary Keel to Patrick Keel
- Patsy Keel to Bryan Keele
- Carl Keele to Tom Keele
- Tracey Keele to Ernest Keeler
- Esther Keeler to Maureen Keeler
- Maurice Keeler to Carolyn Keeley
- Carrie Keeley to Roberta Keeley
- Robin Keeley to Deanna Keeling
- Debbie Keeling to Matthew Keeling
- Maurice Keeling to Cynthia Keels
- Dale Keels to John Keely
- Joseph Keely to Chester Keen
- Chris Keen to Jared Keen
- Jason Keen to Nicole Keen
- Nigel Keen to Zachary Keen
- Zelma Keen to Dave Keenan
- David Keenan to Kelli Keenan
- Kellie Keenan to Shelley Keenan
- Shelly Keenan to Charlene Keene
- Charles Keene to Jamie Keene
- Jan Keene to Mickey Keene
- Mike Keene to Wesley Keene
- Whitney Keene to Dwight Keener
- Earl Keener to Logan Keener
- Lois Keener to Velma Keener
- Vera Keener to Gayle Keeney
- Gene Keeney to Phillip Keeney
- Phyllis Keeney to Tina Keenum
- William Keenum to Amanda Keers
- David Keers to Jennifer Keese
- Jenny Keese to Kenneth Keesee
- Kevin Keesee to Janet Keesler
- Janice Keesler to Amber Keeter
- Amy Keeter to Jason Keeth
- Jennifer Keeth to Erin Keeton
- Ernest Keeton to Nancy Keeton
- Naomi Keeton to Arthur Keever
- Ashley Keever to Tony Keever
- Tracy Keever to Dustin Keffer
- Earl Keffer to Carol Kegel
- Charles Kegel to Victor Kegler
- Victoria Kegler to Stephen Kegley
- Steven Kegley to Paula Kehl
- Philip Kehl to William Kehm
- Ashley Kehn to Greg Kehoe
- Gregory Kehoe to Todd Kehoe
- Tom Kehoe to Marion Kehrer
- Mary Kehrer to Chad Keierleber
- David Keierleber to Carol Keiffer
- Carolyn Keiffer to Alyssa Keil
- Amanda Keil to Laura Keil
- Lauren Keil to Barbara Keillor
- Betty Keillor to Connie Keim
- Courtney Keim to Martha Keim
- Martin Keim to Lisa Keiner
- Louis Keiner to Duncan Keir
- Elizabeth Keir to Bradley Keiser
- Brandon Keiser to Leroy Keiser
- Leslie Keiser to Jesse Keisler
- John Keisler to Jeanne Keister
- Jeffrey Keister to Mory Keita
- Moussa Keita to Avis Keith
- Bailey Keith to Daphne Keith
- Dara Keith to Gerard Keith
- Gertrude Keith to Karin Keith
- Karl Keith to Martha Keith
- Martin Keith to Rosalind Keith
- Rosalyn Keith to Williams Keith
- Willie Keith to William Keithly
- Andre Keiton to Hany Kelada
- Mervat Kelada to Melvin Kelch
- Michael Kelch to George Keleher
- Helen Keleher to Robert Kelii
- William Kelii to Janet Kell
- Janice Kell to Amy Kellam
- Andre Kellam to Otis Kellam
- Pamela Kellam to Crystal Kellar
- Curtis Kellar to Ryan Kellar
- Samantha Kellar to Derek Kelleher
- Diana Kelleher to Patrick Kelleher
- Paul Kelleher to Jerome Kellen
- Joan Kellen to Ami Keller
- Amie Keller to Cathy Keller
- Cecelia Keller to Don Keller
- Dona Keller to Gregg Keller
- Gregory Keller to Juan Keller