MS
Mary Sparks — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Williamson, Illinois
Our Model Tree links this Mary Sparks across the 1920 and 1930 US Censuses in Williamson, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1909), then head of a 8-person household.
Age 21
b. ~1909
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Williamson, Illinois |
| Surname | Sparks |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Teacher |
| Township / Ward | West Marion Twp |
| Est. Birth Year | ~1909 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Sparks | Daughter | — | 21 | ~1909 |
| Elsie Sparks | Spouse | — | 46 | ~1884 |
| Bettie Sparks | Daughter | — | 4 | ~1926 |
| Lois Sparks | Daughter | — | 9 | ~1921 |
| Frances Sparks | Daughter | — | 14 | ~1916 |
| Maurice Sparks | Son | — | 16 | ~1914 |
| Robert Sparks | Head | — | 53 | ~1877 |
| Floyd Sparks | Son | — | 19 | ~1911 |
Census Appearances
1920
Williamson, Illinois
Daughter, age 11
Williamson, Illinois · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sparks |
| Given Name | Mary L |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Williamson, Illinois
Daughter, age 21
Williamson, Illinois · implied b. ~1909 — 8 household members
| Surname | Sparks |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 (1920 and 1930) in Williamson, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Sparks
Daughter · 1930 · age 21 · b. ~1909 · Illinois
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Sibling
Frances Sparks
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bettie Sparks
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Floyd Sparks
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maurice Sparks
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Sparks
Sibling · 1930 · age 9
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
1930 US Federal Census — Williamson, Illinois
Open full size
1930 US Federal Census — Williamson, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel570:1097)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Thomas Ice | 19 | Head | Farmer | Illinois |
| 52 | Reba Ice | 18 | Wife | None | Illinois |
| 53 | E. N. Ice | 50 | Father | None | Illinois |
| 54 | Ella Ice | 43 | Mother | None | Illinois |
| 55 | Lee Brack | 71 | Head | Farmer | Tennessee |
| 56 | Angeline Brack | 68 | Wife | None | Illinois |
| 57 | George Camden | 32 | Head | Laborer | Illinois |
| 58 | Lois Camden | 31 | Wife | — | Illinois |
| 59 | Helen Camden | 11 | Daughter | None | Illinois |
| 60 | Neal Camden | 9 | Son | None | Illinois |
| 61 | Eldus Camden | 3 | Daughter | None | Illinois |
| 62 | Ruth Camden | 1 | Daughter | None | Illinois |
| 63 | Ernest Fosse | 36 | Head | Farmer | Illinois |
| 64 | Bessie Fosse | 32 | Wife | None | Illinois |
| 65 | Ray Fosse | 11 | Son | None | Illinois |
| 66 | Wayne Fosse | 10 | Son | None | Illinois |
| 67 | Elaine Fosse | 8 | Daughter | None | Illinois |
| 68 | Laverne Fosse | 6 | Son | None | Illinois |
| 69 | Lawrence Fosse | 4 | Son | None | Illinois |
| 70 | Robert Sparks | 53 | Head | Contractor | Illinois |
| 71 | Elsie Sparks | 46 | Wife | None | Illinois |
| 72 | Mary L. Sparks THIS PERSON | 21 | Daughter | Teacher | Illinois |
| 73 | Floyd B. Sparks | 19 | Son | None | Illinois |
| 74 | Maurice S. Sparks | 16 | Son | None | Illinois |
| 75 | Frances L. Sparks | 14 | Daughter | None | Illinois |
| 76 | Lois E. Sparks | 9 | Daughter | None | Illinois |
| 77 | Bettie R. Sparks | 4 | Daughter | None | Illinois |
| 78 | Will Davis | 64 | Head | Farmer | Indiana |
| 79 | Cynthia Davis | 24 | Daughter | None | Indiana |
| 80 | Paul Davis | 20 | Son | Laborer | Indiana |
| 81 | Imogene Davis | 3 | Granddau. | None | Illinois |
| 82 | Claude Hollis | 40 | Head | Farmer | Indiana |
| 83 | Bess Hollis | 32 | Wife | None | Illinois |
| 84 | Ruth Hollis | 4 | Daughter | None | Illinois |
| 85 | Reba Hollis | 2 | Daughter | None | Illinois |
| 86 | Isaac W. Broadway | 50 | Head | Farmer | Illinois |
| 87 | Anna N. Broadway | 44 | Wife | None | Illinois |
| 88 | Mary A. Broadway | 15 | Daughter | None | Illinois |
| 89 | Asa Tower | 38 | Head | Farmer | Illinois |
| 90 | Pearl Tower | 26 | Wife | None | Illinois |
| 91 | Dorothy Tower | 8 | Daughter | None | Illinois |
| 92 | Virgil Tower | 6 | Son | None | Illinois |
| 93 | Arid Tower | 5 | Son | None | Illinois |
| 94 | Paul Tower | 3 | Son | None | Illinois |
| 95 | Oral Tower | 1 | Son | None | Illinois |
| 96 | Ava A. Kennedy | 39 | Head | Farmer | Illinois |
| 97 | Leslie Kennedy | 15 | Son | None | Illinois |
| 98 | Will J. Ables | 77 | Head | Farmer | Illinois |
| 99 | Cora A. Ables | 24 | Daughter | None | Illinois |
| 100 | Lula M. Ables | 22 | Daughter | None | Illinois |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)