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Nellie Wood — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Black-Hawk-County, Iowa
Our Model Tree links this Nellie Wood across the 1920, 1930 and 1940 US Censuses in Black-Hawk-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1864), then head of a 3-person household.
Age 76
b. ~1864
Female
Head
Born: New York
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Black-Hawk-County, Iowa |
| Surname | Wood |
| Given Name | Nellie |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 76 |
| Marital Status | Widowed |
| Birthplace | New York |
| 1935 Residence (City) | Cedar Falls |
| 1935 Residence (County) | Black Hawk |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Cedar Falls |
| Est. Birth Year | ~1864 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Nellie | Age | Birth yr |
|---|---|---|---|---|
| Nellie Wood | Head | — | 76 | ~1864 |
| Lillie Harnessing | Daughter | — | 15 | ~1925 |
| Kittie Harnessing | Daughter | — | 44 | ~1896 |
Census Appearances
1920
Black Hawk, …
Spouse, age 54
Black Hawk, Iowa · implied b. ~1866 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wood |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Black Hawk, …
Other, age 64
Black Hawk, Iowa · implied b. ~1866 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wood |
| Given Name | Nellie |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | New York |
| Age at First Marriage | 22 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Clerk |
| Industry | Bake shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Black-Hawk-County, Iowa
Head, age 76
Black-Hawk-County, Iowa · implied b. ~1864 — 3 household members
| Surname | Wood |
| Given Name | Nellie |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 76 |
| Marital Status | Widowed |
| Birthplace | New York |
| 1935 Residence (City) | Cedar Falls |
| 1935 Residence (County) | Black Hawk |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Wood across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Nellie Wood
Head · 1940 · age 76 · b. ~1864 · 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 — Black-Hawk-County, Iowa
Open full size
1940 US Federal Census — Black-Hawk-County, Iowa
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01139-00175)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Barbara Hall | 6 | daughter | — | Iowa |
| 42 | Billy Hall | 4 | son | — | Iowa |
| 43 | Roy Mayo | 23 | Head | Washer | Iowa |
| 44 | Marguerite Mayo | 18 | wife | — | Iowa |
| 45 | Isaac S. Garner | 85 | Head | — | Iowa |
| 46 | Lucinda Garner | 73 | wife | — | Indiana |
| 47 | Leroy Larson | 22 | Head | Shipping Clerk | Minnesota |
| 48 | Mildred Larson | 20 | wife | — | Iowa |
| 49 | Leo Madsen | 34 | Head | Laborer | Iowa |
| 50 | Carrie Madsen | 45 | wife | — | Iowa |
| 51 | Robert Lovejoy | 19 | son | Laborer | Iowa |
| 52 | Andrew Rasmussen | 77 | father | — | Denmark |
| 53 | Julia Mayland | 66 | Head | — | Iowa |
| 54 | Ruby Swanson | 33 | Head | Saleslady | Minnesota |
| 55 | Marguerite Swanson | 16 | daughter | — | Minnesota |
| 56 | Cora O'Dell | 69 | Head | — | Iowa |
| 57 | Charles Weekes | 23 | Head | Laborer | Iowa |
| 58 | Meridith Weekes | 20 | wife | — | Iowa |
| 59 | Helen Hansen | 25 | lodger | Cashier | Wisconsin |
| 60 | Fong Lee | 66 | Head | Laborer | China |
| 61 | Edward Fong | 35 | lodger | — | China |
| 62 | Mah Fook | 40 | lodger | — | China |
| 63 | Mah Lane | 10 | lodger | — | China |
| 64 | W. R. Wright | 71 | Head | Plowman | Iowa |
| 65 | Frances Wright | 65 | wife | — | Iowa |
| 66 | Clarence Lawrence | 39 | Head | Laborer | Iowa |
| 67 | Myrtle Lawrence | 36 | wife | — | Nebraska |
| 68 | Lorraine Lawrence | 13 | daughter | — | Minnesota |
| 69 | Arlene Lawrence | 7 | daughter | — | Iowa |
| 70 | Edward Pattee | 54 | Head | Salesman | Iowa |
| 71 | Rena Pattee | 53 | wife | Domestic | Iowa |
| 72 | Clara Sargent | 49 | Head | Bookkeeper | Iowa |
| 73 | Nellie Wood THIS PERSON | 76 | Head | — | New York |
| 74 | Kittie Harnessing | 44 | daughter | Cook | Iowa |
| 75 | Lillie Jean Harnessing | 15 | daughter | — | California |
| 76 | Josephine Porter | 53 | Head | Proprietor | Iowa |
| 77 | Ruth Rusch | 21 | lodger | Waitress | Iowa |
| 78 | Berdine Severine | 56 | Head | — | Iowa |
| 79 | Anne L. Severine | 45 | sister | — | 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)