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William Sparks — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Iberville-County, Louisiana
Our Model Tree links this William Sparks across the 1930 and 1940 US Censuses in Iberville-County, Louisiana (XGBoost, ~Confirmed) — first a son (b.~1912), then head of a 5-person household.
Age 28
b. ~1912
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Iberville-County, Louisiana |
| Surname | Sparks |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Plaquemine Town |
| 1935 Residence (County) | Iberville |
| Additional Details | |
| Occupation | labourer |
| Industry | oil mill |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 454 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Labourer |
| Township / Ward | Plaquemine Town |
| Est. Birth Year | ~1912 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Theresa Sparks | Head | — | 60 | ~1880 |
| Steve Sparks | Son | — | 38 | ~1902 |
| Delbert Sparks | Son | — | 31 | ~1909 |
| Mattie Sparks | Daughter | — | 23 | ~1917 |
| William Sparks | Son | — | 28 | ~1912 |
Census Appearances
1930
Iberville, Louisiana
Son, age 20
Iberville, Louisiana · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sparks |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Age at First Marriage | 20 |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Laborer |
| Industry | Lumber mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Iberville-County, Louisiana
Son, age 28
Iberville-County, Louisiana · implied b. ~1912 — 5 household members
| Surname | Sparks |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Plaquemine Town |
| 1935 Residence (County) | Iberville |
| Occupation | labourer |
| Industry | oil mill |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 454 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links William Sparks across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Sparks
Son · 1940 · age 28 · b. ~1912 · Louisiana
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Sibling
Steve Sparks
Sibling · 1940 · age 38
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mattie Sparks
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delbert Sparks
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Iberville-County, Louisiana
Open full size
1940 US Federal Census — Iberville-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01404-00271)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Henry J. Daigle | 27 | Son-in-law | Laborer | Louisiana |
| 42 | Marie Julia Daigle | 21 | daughter | — | Louisiana |
| 43 | Mary Delois Daigle | 4 | daughter | — | Louisiana |
| 44 | Marion Lois Daigle | 1 | daughter | — | Louisiana |
| 45 | Joe (Col) Bargum | 56 | Head | Labour | Louisiana |
| 46 | Amanda E. Bargum | 49 | wife | — | Louisiana |
| 47 | E. G. Bargum | 17 | son | New Worker | Louisiana |
| 48 | Ethel Hildago | 16 | Lodger | — | Louisiana |
| 49 | Ernest Bargum | 26 | son | Labour | Louisiana |
| 50 | Louise Bargum | 21 | daughter-in-law | — | Louisiana |
| 51 | Ernest, Jr. Bargum | 2 | grandson | — | Louisiana |
| 52 | Mary Ann Bargum | 0 | granddaughter | — | Louisiana |
| 53 | Alley Scimmons | 38 | Lodger | Labour | Louisiana |
| 54 | Theresa Sparks | 60 | Head | — | Louisiana |
| 55 | Steve Sparks | 38 | son | Pilot | Louisiana |
| 56 | Delbert A. Sparks | 31 | son | Laborer | Louisiana |
| 57 | William Sparks THIS PERSON | 28 | son | Labourer | Louisiana |
| 58 | Mattie May Sparks | 23 | daughter | Sales Clerk | Louisiana |
| 59 | J. Th. Watkins | 66 | Head | Medical Doctor | Mississippi |
| 60 | Gertrude Watkins | 46 | wife | — | Louisiana |
| 61 | Leon Mouillé | 54 | Head | Truck Driver | Louisiana |
| 62 | Mable Mouillé | 23 | wife | — | Louisiana |
| 63 | Leon, Jr. Mouillé | 2 | son | — | Louisiana |
| 64 | John Ressau | 76 | Head | — | Italy |
| 65 | Josephine Reas | 36 | daughter | — | Louisiana |
| 66 | Arthur Guillory | 56 | Head | Contract Truck Driver | Louisiana |
| 67 | Lattie Guillory | 48 | wife | — | Louisiana |
| 68 | Eva Washington | 28 | Head | Cook | Louisiana |
| 69 | Alvin Washington | 20 | son | Laborer | Louisiana |
| 70 | Marjorie Mcpherson | 11 | daughter | — | Louisiana |
| 71 | Delores Mcpherson | 8 | daughter | — | Louisiana |
| 72 | Mary V. Adams | 18 | daughter | Servant | Louisiana |
| 73 | Emmett A. Hughes | 64 | Head | Labour | Louisiana |
| 74 | Delia Hughes | 58 | wife | — | Louisiana |
| 75 | Lillian E. Kirby | 15 | granddaughter | — | Louisiana |
| 76 | Johnny Williams | 31 | Head | Labour | Louisiana |
| 77 | Nellie Mae Williams | 32 | wife | Servant | Louisiana |
| 78 | Lillie Mae Williams | 13 | daughter | — | Louisiana |
| 79 | Dorothy Mae Williams | 11 | daughter | — | Louisiana |
| 80 | Esther Mae Williams | 10 | daughter | — | Louisiana |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)