- Keyes
- Keyser
- Kidd
- Susan R (abt Sep 1844 - 7 Nov 1902)
- Kinard
- Kincaid
- King
- ? (abt 1940 - )
- Gladys (abt 1940 - )
- Kiser
- Kisling
- Kleinfelder
- Kleinfelter
- Klindinst
- Kline
- Klinedinst
- Klinefelter
- Kling
- Klunk
- Kolb
- Koller
- Koontz
- Kopp
- Krach
- Krattinger
- Krauss
- Krebs
- Kreeger
- Kroller
- Krout
- Krug
- Kruse
- Krysiak
- Kunkel
- Kuntz
- Lake
- Lamiller
- Lanagan
- Landis
- Laskowski
- Latschaa
- Latshaw
- Lau
- Lauchman
- Laumaster
- Lea
- Leacock
- Lee
- Leese
- LeFever
- Lehman
- Leman
- Lentz
- Leppo
- Lerminiau
- Mary E (3 Oct 1920 - 12 Oct 1984)
- Lesh
- Lesner
- Lessner
- Lewis
- Lightbody
- Lillich
- Lilly
- Lippy
- List
- Litchfield
- Little