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Julia Davis — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Sangamon, Illinois
Our Model Tree links this Julia Davis across the 1920, 1930 and 1940 US Censuses in Sangamon, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1879), then head of a 4-person household.
Age 51
b. ~1879
Female
Spouse
Born: Indiana
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Sangamon, Illinois |
| Surname | Davis |
| Given Name | Julia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 19 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Occupation | Maid |
| Industry | Hotel |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Maid |
| Township / Ward | Springfield Twp Pt Of |
| Est. Birth Year | ~1879 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Julia | Age | Birth yr |
|---|---|---|---|---|
| Alta Davis | Daughter | — | 18 | ~1912 |
| Ira Davis | Head | — | 55 | ~1875 |
| Fred Davis | Son | — | 16 | ~1914 |
| Julia Davis | Spouse | — | 51 | ~1879 |
Census Appearances
1920
Sangamon, Illinois
Spouse, age 40
Sangamon, Illinois · implied b. ~1880 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Julia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Sangamon, Illinois
Spouse, age 51
Sangamon, Illinois · implied b. ~1879 — 4 household members
| Surname | Davis |
| Given Name | Julia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 19 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Maid |
| Industry | Hotel |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Sangamon-County, Illinois
Spouse, age 61
Sangamon-County, Illinois · implied b. ~1879 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Julie |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Springfield Twp |
| 1935 Residence (County) | Sangamon |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Julia Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Julia Davis
Spouse · 1930 · age 51 · b. ~1879 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Sangamon, Illinois
Open full size
1930 US Federal Census — Sangamon, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel560:0098)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Louis Thompson | 24 | Head | Laborer | Illinois |
| 52 | Ruth Thompson | 20 | Wife | — | Illinois |
| 53 | Harold Thompson | 4 | Son | — | Illinois |
| 54 | Margie Ruth Thompson | 3 | Daughter | — | Illinois |
| 55 | Steve Sommer | 58 | Head | Retired | Austria |
| 56 | Frank Sommer | 40 | Brother | Laborer | South Dakota |
| 57 | James Landow | 62 | Head | Sign Painter | Missouri |
| 58 | Anna Landow | 62 | Wife | — | Illinois |
| 59 | James Edgecomb | 13 | Grandson | — | Iowa |
| 60 | Fred C. Baucom | 44 | Head | General Typer | Illinois |
| 61 | Malu Baucom | 41 | Wife | — | Illinois |
| 62 | Fred Baucom | 12 | Son | — | Illinois |
| 63 | Tom Baucom | 9 | Son | — | Illinois |
| 64 | Rachael Baucom | 84 | Mother | — | Illinois |
| 65 | William Mefford | 45 | Head | Laborer | Illinois |
| 66 | Francis Mefford | 34 | Wife | — | Illinois |
| 67 | Gilbert Mefford | 17 | Son | — | Illinois |
| 68 | Nellie Mefford | 16 | Daughter | — | Illinois |
| 69 | Elizabeth Mefford | 11 | Daughter | — | Illinois |
| 70 | Lawrence Mefford | 9 | Son | — | Illinois |
| 71 | Billie Mefford | 8 | Son | — | Illinois |
| 72 | Velma Mefford | 7 | Daughter | — | Illinois |
| 73 | Francis Mefford | 3 | Daughter | — | Illinois |
| 74 | George Petachauer | 54 | Head | Miner | Germany |
| 75 | Augusta Petachauer | 46 | Wife | — | Germany |
| 76 | Frank Petachauer | 24 | Son | Miner | Illinois |
| 77 | Louis Petachauer | 16 | Son | — | Illinois |
| 78 | Ira Davis | 55 | Head | Laborer | Illinois |
| 79 | Julia Davis THIS PERSON | 51 | Wife | Maid | Indiana |
| 80 | Alta Florence Davis | 18 | Daughter | Dresser | Illinois |
| 81 | Fred Davis | 16 | Son | — | Illinois |
| 82 | Carl Cormeny | 32 | Head | Laborer | Illinois |
| 83 | Ella Cormeny | 30 | Wife | — | Illinois |
| 84 | Dorothy Cormeny | 11 | Daughter | — | Illinois |
| 85 | Wayne Cormeny | 9 | Son | — | Illinois |
| 86 | Charlene Cormeny | 8 | Daughter | — | Illinois |
| 87 | James Benton Cormeny | 3 | Son | — | Illinois |
| 88 | Marion Cormeny | 1 | Daughter | — | Illinois |
| 89 | Ernest Davidson | 49 | Boarder | Miner | Illinois |
| 90 | Thomas Davidson | 11 | Boarder | — | Illinois |
| 91 | Ernest Barrow | 59 | Head | Miner | Illinois |
| 92 | Mamie Barrow | 31 | Wife | — | Missouri |
| 93 | Thornton Barrow | 0 | Son | — | Illinois |
| 94 | Arthur Mitchell | 52 | Head | Chauffeur | Illinois |
| 95 | Faye Mitchell | 21 | Wife | — | Missouri |
| 96 | William Mitchell | 1 | Son | — | Illinois |
| 97 | True Morris | 17 | Head | Miner | Missouri |
| 98 | Hazel Morris | 18 | Wife | — | Illinois |
| 99 | A. H. Fisher | 65 | Head | Retired | Virginia |
| 100 | Emma Fisher | 60 | Wife | — | Missouri |
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)