MS
Mary Sparks — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Tuscaloosa-County, Alabama
Our Model Tree links this Mary Sparks across the 1930 and 1940 US Censuses in Tuscaloosa-County, Alabama (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 7-person household.
Age 18
b. ~1922
Female
Daughter
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Tuscaloosa-County, Alabama |
| Surname | Sparks |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Precinct 7 |
| 1935 Residence (County) | Tuscaloosa |
| Additional Details | |
| Industry | NP |
| Class of Worker | 0 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Precinct 7 |
| Est. Birth Year | ~1922 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Martha Sparks | Spouse | — | 61 | ~1879 |
| William Sparks | Head | — | 66 | ~1874 |
| Jack Sparks | Son | — | 13 | ~1927 |
| Ernest Sparks | Son | — | 5 | ~1935 |
| Mary Sparks | Daughter | — | 18 | ~1922 |
| Marcia Sparks | Daughter | — | 7 | ~1933 |
| Thelma Sparks | Daughter | — | 21 | ~1919 |
Census Appearances
1930
Tuscaloosa, Alabama
Daughter, age 8
Tuscaloosa, Alabama · implied b. ~1922 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sparks |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Tuscaloosa-County, Alabama
Daughter, age 18
Tuscaloosa-County, Alabama · implied b. ~1922 — 7 household members
| Surname | Sparks |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Precinct 7 |
| 1935 Residence (County) | Tuscaloosa |
| Industry | NP |
| Class of Worker | 0 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 Mary Sparks across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Sparks
Daughter · 1940 · age 18 · b. ~1922 · Alabama
★ You are viewing this record
Sibling
Jack Sparks
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Sparks
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Sparks
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marcia Sparks
Sibling · 1940 · age 7
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 — Tuscaloosa-County, Alabama
Open full size
1940 US Federal Census — Tuscaloosa-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00084-00201)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lattie | 52 | wife | — | Alabama |
| 2 | Joseph E. Edmonds | 84 | Head | — | Alabama |
| 3 | Parrie Edmonds | 74 | wife | — | Alabama |
| 4 | James D. Braughton | 66 | Head | Farmer | Alabama |
| 5 | Martha A. Braughton | 60 | wife | — | Alabama |
| 6 | M. Lawill | 18 | Son | Laborer | Alabama |
| 7 | James Edmonds | 51 | Hired hand | Laborer | Alabama |
| 8 | Hilliard Spence | 41 | Head | — | Alabama |
| 9 | Nora Spence | 57 | wife | — | Alabama |
| 10 | Richard Spence | 35 | Son | Farmer | Alabama |
| 11 | Hilliard D. Spence | 28 | Son | Laborer | Alabama |
| 12 | John J. Turner | 24 | Head | Farmer | Alabama |
| 13 | Marie Turner | 19 | Daughter | Np | Alabama |
| 14 | Floyd L. Weatherly | 35 | Head | Farmer | Alabama |
| 15 | May S. Weatherly | 31 | wife | — | Alabama |
| 16 | James Weatherly | 15 | Son | — | Alabama |
| 17 | Opal A. Weatherly | 13 | Daughter | — | Alabama |
| 18 | Martha A. Weatherly | 11 | Daughter | — | Alabama |
| 19 | Diana F. Weatherly | 9 | Daughter | — | Alabama |
| 20 | Sarah F. Weatherly | 5 | Daughter | — | Alabama |
| 21 | Nute W. Gay | 55 | Head | Farmer | Alabama |
| 22 | Ira Gay | 52 | wife | — | Alabama |
| 23 | William W. Sparks | 66 | Head | Farmer | Alabama |
| 24 | Martha J. Sparks | 61 | wife | — | Alabama |
| 25 | Thelma Sparks | 21 | Daughter | — | Alabama |
| 26 | Mary Sparks THIS PERSON | 18 | Daughter | — | Alabama |
| 27 | Jack Sparks | 13 | Son | — | Alabama |
| 28 | Marcia Sparks | 7 | Daughter | — | Mississippi |
| 29 | Ernest Sparks | 5 | Son | — | Mississippi |
| 30 | D. B. Griffin | 60 | Head | Farmer | Alabama |
| 31 | Lena Griffin | 47 | wife | — | Alabama |
| 32 | Louise M. Griffin | 34 | Daughter | — | Alabama |
| 33 | John F. Griffin | 29 | Son | — | Alabama |
| 34 | Norris Griffin | 26 | Son | — | Alabama |
| 35 | Walter L. Griffin | 23 | Son | — | Alabama |
| 36 | Zora E. Griffin | 19 | Daughter | — | Alabama |
| 37 | Thomas L. Griffin | 16 | Son | — | Alabama |
| 38 | Willie B. Griffin | 14 | Son | — | Alabama |
| 39 | Dorothy J. Griffin | 11 | Daughter | — | Alabama |
| 40 | Mildred D. Griffin | 8 | Daughter | — | Alabama |
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)