- Haack
- Haag
- Haarup
- Haas
- Haban
- Haberman
- Hackett
- Hackman
- Hackworth
- Haddock
- Haden
- Hadler
- Haerr
- Haeussler
- Hagan
- Hagans
- Hagelin
- Hagely
- Hageman
- Hagemann
- Hagensick
- Hager
- Hagerman
- Hagerty
- Haggard
- Haggins
- Hagler
- Hagman
- Hagwood
- Hagy
- Hahn
- Hahnel
- Haile
- Haimerl
- Hain
- Hainen
- Haines
- Hairston
- Haislet
- Hajek
- Haker
- Hale
- Haley
- Half
- Hall
- Hallam
- Hallas
- Haller
- Halliburton
- Halloran
- Halman
- Halsey
- Halterman
- Ham
- Hambrick
- Hamill
- Hamilton
- Hamler
- Hamm
- Hammack
- Hammer
- Hammock
- Hammond
- Hamon
- Hamor
- Hampson
- Hampston
- Hampton
- Hamrick
- Hanawalt
- Hance
- Hancock
- Hand
- Handelman
- Handlan
- Handler
- Handley
- Hanes
- Haney
- Hang
- Haninger
- Hankins
- Hanley
- Hann
- Hanna
- Hannah
- Hannan
- Hannaway
- Hanners
- Hannon
- Hannum
- Hanold
- Hanover
- Hansen
- Hanson
- Hapner
- Harbage
- Harbin
- Hardbarger
- Harden
- Harder
- Hardesty
- Hardiman
- Harding
- Hardy
- Harger
- Hariston
- Harkless
- Harless
- Harmer
- Harmon
- Harmony
- Harned
- Harnish
- Harp
- Harper
- Harpster
- Harr
- Harriett
- Harrington
- Harris
- Harrison
- Harrow
- Harsh
- Harshaw
- Hart
- Hartford
- Hartigan
- Harting
- Hartle
- Hartley
- Hartman
- Hartmann
- Hartney
- Hartong
- Hartranft
- Hartshorn
- Hartstein
- Hartwell
- Hartzler
- Harvey
- Harzoff
- Hashmi
- Haske
- Haskins
- Haslett
- Haslup
- Hassell
- Hasson
- Hast
- Hastedt
- Hatcher
- Hatem
- Hatfield
- Hatfiled
- Hathaway
- Hatta
- Hatten
- Hattenfield
- Hattery
- Haubiel
- Haubrich
- Hauck
- Hauff
- Haughn
- Haulund
- Hauser
- Havaner
- Havenar
- Havens
- Haverfield
- Haw
- Hawk
- Hawkins
- Hawks
- Hawksworth
- Hawley
- Hay
- Hayden
- Haydock
- Hayes
- Hayhurst
- Hayman
- Haynes
- Haynie
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- Hayward
- Hazard
- Hazday
- Hazel
- Hazell
- Hazlett
- Hazucha
- He
- Head
- Headapohl
- Headlee
- Heagren
- Healey
- Healy
- Heard
- Heath
- Hecht
- Heckendorn
- Hecker
- Heckman
- Heddleson
- Hedenskoog
- Hedge
- Hedges
- Hedrick
- Heffernan
- Heffner
- Hefner
- Heft
- Heger
- Hegley
- Heiberger
- Heiby
- Heideman
- Heider
- Heidkamp
- Heidtman
- Heilman
- Heilmann
- Heim
- Heimaster
- Heinbach
- Heine
- Heinlein
- Heintz
- Heintzelman
- Heise
- Heisler
- Heiss
- Heitzman
- Helber
- Heldenbrand
- Helfrich
- Helland
- Heller
- Hellstrom
- Helm
- Helman
- Helmick
- Helmig
- Helms
- Helsel
- Helton
- Hembree
- Hemming
- Hemstreet
- Hency
- Henderson
- Hendren
- Hendricks
- Hendrickson
- Hendrix
- Henize
- Henley
- Henneke
- Hennessey
- Hennessy
- Henricks
- Henry
- Hensel
- Hensell
- Hensler
- Hensley
- Henson
- Hentosh
- Henze
- Hepler
- Herb
- Herbein
- Herbert
- Herbes
- Herbst
- Hercenberg
- Heretta
- Herfel
- Hering
- Herl
- Herlihy
- Herman
- Herness
- Herod
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- Herr
- Herrel
- Herrell
- Herrera
- Herridge
- Herrmann
- Herron
- Hersch
- Herschler
- Hersh
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- Hersman
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- Hervey
- Herzberg
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- Hess
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- Hessenauer
- Hesske
- Hessler
- Hester
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- Hetterscheidt
- Hetzler
- Heuerman
- Hevezi
- Hewetson
- Hewitt
- Heydinger
- Heydlauff
- Hickey
- Hickman
- Hicks
- Hidaka
- Higbee
- Higgenbotham
- Higginbotham
- Higgins
- Highfill
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- Hill
- Hillard
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- Hillery
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- Hills
- Hillyer
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- Hindall
- Hindman
- Hinduja
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- Hinrichs
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- Hinton
- Hinzman
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- Hire
- Hirsch
- Hirschfeld
- Hirvela
- Hiser
- Hitch
- Hitchcock
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- Hiteshew
- Hively
- Hix
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- Hixson
- Hlay
- Hnidka
- Ho
- Hoag
- Hoaja
- Hoar
- Hobbins
- Hobbs
- Hobson
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- Hodge
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- Hodgson
- Hoecker
- Hoehne
- Hoelyfield
- Hoey
- Hofer
- Hoffman
- Hoffmann
- Hofmeister
- Hogan
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- Hogg
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- Hoisington
- Holbrock
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- Holdcraft
- Holderle
- Holewinski
- Holland
- Hollaway
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- Holleman
- Hollern
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- Holliday
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- Hollingsworth
- Hollis
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- Holly
- Holmes
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- Holt
- Holton
- Holtz
- Holz
- Holzinger
- Homonnay
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- Hood
- Hoodlet
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- Hooks
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- Hoover
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- Hopewell
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- Hopmann
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- Horn
- Hornbeck
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- Horning
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- Horstman
- Horton
- Horvath
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- Hosey
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- Hoskins
- Hoskinson
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- Hostetler
- Hostetter
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- Hotte
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- Houfek
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- House
- Houseberg
- Householder
- Housel
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- Houston
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- Hout
- Howard
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- Howe
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- Howells
- Hower
- Howland
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- Hoy
- Hoyle
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- Hrabowy
- Hritz
- Hrysko
- Hsia
- Hsu
- Hubbard
- Huber
- Hubert
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- Hudson
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- Hufford
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- Huheey
- Hulet
- Hulett
- Hulick
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- Hummel
- Humphrey
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- Hunley
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- Hunter
- Huntley
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- Hurst
- Hurston
- Hurtt
- Huss
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- Huston
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- Hutchison
- Hutson
- Hutt
- Hwang
- Hyatt
- Hydinger
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- Hylton