JD
James Davidson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Vigo, Indiana
Our Model Tree links this James Davidson across the 1920 and 1930 US Censuses in Vigo, Indiana (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 8-person household.
Age 50
b. ~1880
Male
Head
Born: Missouri
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Vigo, Indiana |
| Surname | Davidson |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 21 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Laborer |
| Industry | Any Where |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | un |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Laborer |
| Township / Ward | Terre Haute City |
| Est. Birth Year | ~1880 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Jenny Davidson | Daughter | — | 11 | ~1919 |
| Helen Davidson | Daughter | — | 9 | ~1921 |
| James Davidson | Head | — | 50 | ~1880 |
| Rosemary Davidson | Son | — | 7 | ~1923 |
| Lloyd Davidson | Son | — | 1 | ~1929 |
| Luther Davidson | Son | — | 14 | ~1916 |
| Robert Davidson | Son | — | 3 | ~1927 |
| Opal Davidson | Spouse | — | 40 | ~1890 |
Census Appearances
1920
Vigo, Indiana
Head, age 41
Vigo, Indiana · implied b. ~1879 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davidson |
| Given Name | James R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Occupation | Laborer |
| Industry | Commercial House |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Vigo, Indiana
Head, age 50
Vigo, Indiana · implied b. ~1880 — 8 household members
| Surname | Davidson |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 21 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Any Where |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | un |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 James Davidson across 2 US Census years (1920 and 1930) in Vigo, Indiana, using XGBoost record linkage.
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This person
Anchor record
James Davidson
Head · 1930 · age 50 · b. ~1880 · Indiana
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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 — Vigo, Indiana
Open full size
1930 US Federal Census — Vigo, Indiana
Page Contents
50 people indexed on this census page (ia:1930:indianacensus00reel635:0480)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Roberts | 35 | Head | Laborer | Indiana |
| 2 | Katie Roberts | 33 | Wife | — | Indiana |
| 3 | George Roberts | 15 | Son | — | Indiana |
| 4 | Joe Roberts | 13 | Son | — | Indiana |
| 5 | William Roberts | 10 | Son | — | Indiana |
| 6 | Lloyd Jr. Roberts | 8 | Son | — | Indiana |
| 7 | Lewis Jackson | 19 | Boarder | Laborer | Indiana |
| 8 | Donald Asher | 6 | Boarder | — | Indiana |
| 9 | Fred Smith | 67 | Head | — | Ohio |
| 10 | Lena Smith | 43 | Wife | — | Illinois |
| 11 | Charles Fox | 62 | Head | — | Indiana |
| 12 | Laura Fox | 58 | Wife | — | Indiana |
| 13 | Maurice Gibson | 24 | Adopted Son | — | Indiana |
| 14 | Dorothy Gibson | 18 | Daughter | — | Indiana |
| 15 | Lee Smith | 22 | Head | — | Indiana |
| 16 | Helen Smith | 23 | Wife | — | Indiana |
| 17 | Samuel Lawrence | 70 | Boarder | Laborer | Russia |
| 18 | Mary Lawrence | 65 | Boarder | — | Russia |
| 19 | John Mccallister | 51 | Head | Laborer | Illinois |
| 20 | Sarah Ann Mccallister | 38 | Wife | — | Illinois |
| 21 | Betty Ellen Mccallister | 3 | Daughter | — | Indiana |
| 22 | John H. Mccallister | 1 | Son | — | Indiana |
| 23 | Byron Mccallister | 8 | Son | — | Indiana |
| 24 | Ernest Mccallister | 16 | Son | — | Indiana |
| 25 | Inez Black | 11 | Daughter | — | Indiana |
| 26 | Ralph Black | 8 | Son | — | Indiana |
| 27 | James Davidson THIS PERSON | 50 | Head | Laborer | Missouri |
| 28 | Opal Davidson | 40 | Wife | — | Missouri |
| 29 | Luther Davidson | 14 | Son | — | Missouri |
| 30 | Jenny Lee Davidson | 11 | Daughter | — | Indiana |
| 31 | Helen Jean Davidson | 9 | Daughter | — | Indiana |
| 32 | Rosemary Davidson | 7 | Son | — | Indiana |
| 33 | Robert Davidson | 3 | Son | — | Indiana |
| 34 | Lloyd Davidson | 1 | Son | — | Indiana |
| 35 | Robert Parady | 45 | Head | Laborer | Kentucky |
| 36 | Elsie Parady | 46 | Wife | — | Missouri |
| 37 | Annie Cason | 16 | Daughter | — | Indiana |
| 38 | Mennis Liggett | 36 | Head | — | Indiana |
| 39 | Clifford Liggett | 21 | Son | — | Indiana |
| 40 | Joe Liggett | 16 | Son | — | Indiana |
| 41 | Tillis Wolfe | 40 | Head | — | Poland |
| 42 | Frank Wolfe | 25 | Son | — | Indiana |
| 43 | James Wolfe | 20 | Son | Laborer | Indiana |
| 44 | Lilly Wolfe | 17 | Daughter | — | Indiana |
| 45 | Mike Wolfe | 12 | Son | — | Indiana |
| 46 | Madeline Wolfe | 10 | Daughter | — | Indiana |
| 47 | Earl Curran | 42 | Head | Truck Driver | Indiana |
| 48 | Abbie Curran | 45 | Wife | — | Indiana |
| 49 | James Curran | 16 | Son | — | Indiana |
| 50 | Mildred Curran | 9 | Daughter | — | Indiana |
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)