- See also: Pleasantview/Onomatology
The onomatology (study of names) for Sims in Sunset Valley.
The Alto family[]

- Alto: means "high" in Italian, Spanish and Portuguese, also refers to the lower register of a woman's voice
- Nick: short for Nicholas, means "victory of the people" in Greek
- Vita: means "life" in Latin and in Italian
- Holly: derived from the tree with the same name (holly or ilex)
The Alvi family[]

- Alvi: possible reference to Alvi Dental Hospital
- Iqbal: means "fortunate" in Arabic
- VJ: most likely short for Vijay, which is derived from Vijaya, meaning "victory" in Sanskrit
- Miraj: means "place of ascent" in Arabic
The Andrews family[]

- Andrews: derived from the name Andrew, meaning "man"
- Beau: the masculine form of the word "beautiful" in French
- Victoria: means "victory" in Latin and in Spanish
The Bachelor family[]

- Bachelor: from the English word meaning an unmarried man
- Simis: a pun on "sim", as the name reads "sim is bachelor" a popular name in Sim Nation because it has the word "Sim" in it
- Jocasta: from Greek mythology, the mother of Oedipus who married her son unknowingly, and when she realized this, she killed herself
- Michael: means "Who is like God?" in Hebrew
- Bella: means "beautiful" in Italian
The Bunch family[]

- Bunch: most likely an English surname, could be referring to the fact that there are a "bunch of people" in the household, or referring to "The Brady Bunch"
- Jack: short for John, meaning "Graced by God" in Hebrew
- Judy: short for Judith, meaning "woman from Judea" in Hebrew
- Ethan: comes from the Hebrew word "Eitan", which means "solid, enduring"
- Lisa: short for Elizabeth, meaning "my God has sworn" in Hebrew
- Arlo: "barberry tree" in Spanish, or "hill" in Old English (harlow)
- Darlene: a variation of the word "darling"
The Clavell family[]

- Clavell: could be derived from Claville, which comes from the Old Scandinavian word meaning "door bolt" or "peg."
- Buster: originally a nickname for someone who breaks things, as in "to bust."
- Bessie: short for Elizabeth, meaning "my God has sworn" in Hebrew.
- Xander: short for Alexander, meaning "defender" in Greek.
- Jennie: short for Jennifer, which is derived from the name Gwenhwyfar meaning "fair, white" and "smooth" in Welsh.
- Ransom: most likely referring to a ransom, which is "the release of property or a person in return for payment of a demanded price."
The Crumplebottom family[]

- Crumplebottom: most likely a combination of the English words "crumple" and "bottom"
- Darling: an English word meaning a "special loved one"
- Agnes: means "chaste" in Greek
- Erik: variant of Eric, which means"one ruler", "eternal ruler" or "ever powerful" in Old Norse
The Frio family[]

- Frio: means "cold" in Spanish and Portuguese
- Connor: variant of Conor, meaning "wolf lover" or "dog lover" in Irish
- Jared: meaning "he who descended" or "he who shall rule" in Hebrew
The Goth family[]

- Goth: could refer to an early East Germanic Tribe, but most likely refers to the Gothic subculture that the family seems to be a part of
- Gunther: variant of Günther?, from Old High German "gund" (battle) and "heri" (army)
- Cornelia: derived from the Latin word "cornu", meaning "horn"
- Mortimer: means "still water" in Old French; "mort" is also the French word for death
The Hart family[]

- Hart: an English surname that means "a male deer."
- Gus: short for Augustus, meaning "great" or "venerable" in Latin.
- Dorie: short for Dorothy, derived from Dorothea meaning "gift of God" in Greek.
- Bebe: means "baby" in Spanish, Portuguese, and French.
The Jolina family[]

- Jolina: could be derived from the French word jolie, meaning "beautiful"
- Jamie: originally a masculine name short for James, which is derived from Jacob meaning "holder of the heel" or "supplanter", could also mean "may God protect"
The Keaton family[]

- Keaton: an Old English surname meaning "shed town"
- Marty: short for Martin, derived from the name Mars meaning "man" in Latin
- Justine: feminine form of Justin, which is derived from the name Justus, meaning "just" in Latin
The Kennedy family[]
- Kennedy: means "Helmet Head" in Irish Gaelic
- Erin: anglicized form of the Irish name Eireann, meaning "Ireland"
The Koffi family[]

- Koffi: a variation of the word coffee
- Gobias: could be a variant of Tobias, meaning "God is good" in Hebrew. The entire name is a pun, meaning "Go buy us coffee"
- Gaylord: an English surname derived from the Old French word "gaillard", meaning "high-spirited, boisterous"; nowadays is slang for "homosexual"
The Landgraab family[]

- Landgraab: most likely a combination of the English words "land" and "grab"; therefore the surname could mean to take possession of land for personal gain
- Geoffrey: comes from two Germanic elements, one which means "peace" and another which could either mean "territory", "stranger" or "hostage"
- Nancy: short for Anne, which is derived from the name Hannah which means "favor" or "grace" in Hebrew
- Malcolm: means "disciple of Saint Columba" in Scottish
The Langerak family[]

- Langerak: could be derived from the name of a town in South Holland.
- Mae: a variant of May, the name of which is derived from the month of May.
- Dustin: derived from Torsten, which means "Thor's stone" in Old Norse.
- Iliana: derived from Helen, which means "light" in Greek.
- Parker: an English occupational surname which means "keeper of the park."
- Kaylynn: a combination of the names Kay and Lynn; Kay is short for Katherine, which could mean "pure" in Greek, while Lynn comes from the Celtic word "Lenna", meaning "pool"
- Zelda: short for Griselda, which means "dark battle"
The Roomies household[]

- McGraw: could mean "son of grace"
- Donner: a French verb meaning "to give"
- Sw0rd: derived from Sword, a weapon with a long metal blade and a handle
- Hatch: "to hatch" is to emerge or break out of an egg; a hatch is also an opening on the roof or floor of a building
- Wainwright: an occupational surname for a wagon-builder
- Stiles: derived from the Old English "Stigol" - a steep ascent
- Tamara: derived from Tamar, meaning "palm tree" in Hebrew
- Cycl0n3: derived from Cyclone, a violent storm characterized by high winds moving around a calm center of low pressure
- Emma: derived from the Germanic element ermen, meaning "whole, universal"
- Blair: means "plain" and "field" in Scottish Gaelic
The Sekemoto family[]

- Sekemoto: presumably a Japanese surname, origin unknown
- Yumi: means "archery bow" in Japanese
- Leighton: variant of Layton, which means "settlement with a leek garden" in Old English
- Sam: short for Samuel, which means "name of God" or "God has heard" in Hebrew
The Single Moms household[]

- McIrish: "mc" is a variant of "mac", which when placed in front of a name means "son of"; therefore the name could mean "son of Ireland"
- French: most likely refers to the people who live in the country of France and the language they speak
- Fiona: means "fair, white" in Irish
- River: from the English word meaning "a flowing body of water"
- Molly: short for Mary, which could mean "sea of bitterness", "rebelliousness", or "wished for child"
- Sandi variant of Sandy which is usually short for Alexandra, meaning "defending men"; it could also be referring to the color
The Steel family[]
- Steel: variant of Steele, which is an occupational surname for a steelworker
- Christopher: derived from a late Greek name that means "bearing Christ"
The Ursine family[]
- Ursine: could be a variant of Orsini, which means "little bear" in Italian; "ursa" means bear in Latin
- Claire: derived from Clara, which means "clear, bright, famous" in Latin
The Wainwright family[]

- Wainwright: an occupational surname for a wagon-builder
- Boyd: means "blond" in Gaelic
- Susan: derived from Susanna, which means "lily" in Hebrew
The Wan-Goddard family[]

- Wan: derived from the Chinese surname "Wang" - which means "king."
- Goddard: meaning unknown, this is the name of several towns in the United States.
- Pauline: feminine form of Paul, which means "small, humble" in Latin.
- Hank: a form of Henry, which was derived from a Germanic name meaning "home ruler."
The Wolff family[]

- Wolff: variant of Wolf, which refers to the animal
- Thornton: derived from an English surname meaning "thorn town"
- Morgana: derived from Morgan, which most likely means "sea circle" in Welsh
The Working Friends household[]

- Kimura: means "tree village" in Japanese
- VanWatson: means "from Watson"
- Ansari: derived from Ansar, which means "supporters" in Arabic
- Morris: derived from the name Maurice, which means "dark skinned" in Latin
- Tori: short for Victoria, which means "victory"
- Madison: an English surname meaning "son of Maud"
- Ayesha: a variant of 'Aisha, which means "alive" in Arabic
- Monika: variant of Monica, a North African name, meanin unknown