NJ
Nellie James — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Linn-County, Iowa
Our Model Tree links this Nellie James across the 1930 and 1940 US Censuses in Linn-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 4-person household.
Age 42
b. ~1898
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Linn-County, Iowa |
| Surname | James |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Marion |
| 1935 Residence (County) | Linn |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Marion |
| Est. Birth Year | ~1898 |
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 1940 census.
| Name | Relation to head | Relative to Nellie | Age | Birth yr |
|---|---|---|---|---|
| Olive James | Daughter | — | 11 | ~1929 |
| Allen James | Son | — | 6 | ~1934 |
| Nellie James | Spouse | — | 42 | ~1898 |
| Allen James | Head | — | 46 | ~1894 |
Census Appearances
1930
Linn, Iowa
Spouse, age 32
Linn, Iowa · implied b. ~1898 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | James |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 25 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Linn-County, Iowa
Spouse, age 42
Linn-County, Iowa · implied b. ~1898 — 4 household members
| Surname | James |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Marion |
| 1935 Residence (County) | Linn |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 Nellie James across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Nellie James
Spouse · 1940 · age 42 · b. ~1898 · 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 — Linn-County, Iowa
Open full size
1940 US Federal Census — Linn-County, Iowa
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01175-00521)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George Burns | 74 | Lodger | Janitor | Iowa |
| 42 | Earl R. Waffle | 49 | Head | Chemist | Iowa |
| 43 | O. G. Waffle | 85 | Father | Retired | Ohio |
| 44 | Allen L. James | 46 | Head | Railway Mail Clerk | Iowa |
| 45 | Nellie James THIS PERSON | 42 | Wife | — | Iowa |
| 46 | Olive Ellen James | 11 | Daughter | — | Iowa |
| 47 | Allen L. Jr. James | 6 | Son | — | Iowa |
| 48 | Robert F. Oxley | 33 | Head | — | Iowa |
| 49 | Elizabeth Ellen Oxley | 33 | Wife | — | Iowa |
| 50 | Ida Bowman | 70 | Head | — | Iowa |
| 51 | Margaret E. De Wees | 27 | Lodger | Teacher | Iowa |
| 52 | Charles R. Briddock | 64 | Head | Manager Of House | Wisconsin |
| 53 | Nettie Briddock | 61 | Wife | — | Wisconsin |
| 55 | Lawrence B. De Vore | 44 | Head | Bus Driver | Iowa |
| 56 | Helen De Vore | 45 | Wife | — | Iowa |
| 57 | Neal De Vore | 18 | Son | Helper | Iowa |
| 58 | June De Vore | 15 | Daughter | — | Iowa |
| 59 | Phillip De Vore | 5 | Son | — | Iowa |
| 60 | Clifford V. Aubrey | 40 | Head | Sheet Metal Work | Illinois |
| 61 | Caroline E. Aubrey | 40 | Wife | — | Iowa |
| 62 | Richard E. Aubrey | 13 | Son | — | Iowa |
| 63 | John C. Aubrey | 12 | Son | — | Iowa |
| 65 | Louie Vahl | 49 | Head | Farm Labor | Iowa |
| 66 | Eva Vahl | 48 | Wife | — | Iowa |
| 67 | Ruby Vahl | 19 | Daughter | Operator | Wisconsin |
| 68 | Raymond Vahl | 16 | Son | — | Iowa |
| 69 | Marion Oxley | 76 | Head | — | Iowa |
| 70 | Rose Keenan | 74 | Housekeeper | Housekeeper | Iowa |
| 71 | Owen S. Ferris | 75 | Head | — | Iowa |
| 72 | Maxine Ferris | 23 | Niece | Clerk | Iowa |
| 73 | Martha Gillespie | 79 | Head | — | Illinois |
| 74 | Rosalie Saunders | 17 | Granddaughter | — | Iowa |
| 75 | M. S. Linkletter | 32 | Head | Insurance Salesman | Canada |
| 76 | Edith Linkletter | 28 | Wife | Office Attendant | Illinois |
| 77 | Merle Linkletter | 2 | Son | — | Iowa |
| 78 | J. H. Mack | 36 | Head | Millwright | Iowa |
| 79 | Ella Mack | 37 | Wife | — | Iowa |
| 80 | Dorothy Mack | 14 | Daughter | — | 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)