JW
James William — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Louisa-County, Iowa
Our Model Tree links this James William across the 1930 and 1940 US Censuses in Louisa-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 5-person household.
Age 58
b. ~1882
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Louisa-County, Iowa |
| Surname | William |
| Given Name | James W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Eliot Township |
| 1935 Residence (County) | Louisa |
| Additional Details | |
| Occupation | Laborer |
| Industry | Common Labor |
| Class of Worker | OA |
| Hours Worked | 4 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Eliot Township |
| Est. Birth Year | ~1882 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| James William | Head | — | 58 | ~1882 |
| Harold William | Son | — | 1 | ~1939 |
| Wilbur William | Son | — | 25 | ~1915 |
| Mary William | Spouse | — | 21 | ~1919 |
| Nella William | Spouse | — | 56 | ~1884 |
Census Appearances
1930
Louisa, Iowa
Head, age 48
Louisa, Iowa · implied b. ~1882 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | James W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 20 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Salesman |
| Industry | Commercial Trav |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 900 |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Louisa-County, Iowa
Head, age 58
Louisa-County, Iowa · implied b. ~1882 — 5 household members
| Surname | William |
| Given Name | James W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Eliot Township |
| 1935 Residence (County) | Louisa |
| Occupation | Laborer |
| Industry | Common Labor |
| Class of Worker | OA |
| Hours Worked | 4 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 William across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James William
Head · 1940 · age 58 · b. ~1882 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Louisa-County, Iowa
Open full size
1940 US Federal Census — Louisa-County, Iowa
Page Contents
21 people indexed on this census page (nara:1940:m-t0627-01178-00123)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James W. Mcintyre | 71 | Head | — | Illinois |
| 42 | Winifred M. Mcintyre | 60 | Wife | — | Illinois |
| 43 | Albert A. Kramer | 46 | Head | Farmer | Wisconsin |
| 44 | Mary V. Kramer | 35 | Wife | — | Illinois |
| 45 | Curtis L. Kramer | 17 | Son | — | Iowa |
| 46 | Arline J. Kramer | 6 | Daughter | — | Iowa |
| 47 | Janet M. Kramer | 4 | Daughter | — | Iowa |
| 48 | Neal A. Kramer | 1 | Son | — | Iowa |
| 49 | Frank J. Mellinger | 75 | Head | Retired | Iowa |
| 50 | Mary H. Mellinger | 77 | Wife | — | Iowa |
| 51 | Emery Crickbaum | 48 | Head | Wax Presser | Iowa |
| 52 | Leona M. A. Crickbaum | 32 | Wife | — | Kansas |
| 53 | Dorothy L. Kohens | 8 | Niece | — | Kansas |
| 54 | Emma Miller | 61 | Head | — | Iowa |
| 55 | Julius W. Miller | 86 | Uncle | — | Germany |
| 56 | Thomas Keefer | 82 | Head | — | Iowa |
| 57 | James W. William THIS PERSON | 58 | Head | Laborer | Iowa |
| 58 | Nella D. William | 56 | Wife | — | Iowa |
| 59 | Wilbur L. William | 25 | Son | Deck Hand | Iowa |
| 60 | Mary E. William | 21 | Wife | — | Illinois |
| 61 | Harold A. William | 1 | Son | — | Iowa |
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)