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Nancy Anderson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this Nancy Anderson across the 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 6-person household.
Age 10
b. ~1930
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Anderson |
| Given Name | Nancy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Moline City |
| 1935 Residence (County) | Rock Island |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Moline City |
| Est. Birth Year | ~1930 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Nancy | Age | Birth yr |
|---|---|---|---|---|
| Nancy Anderson | Daughter | — | 10 | ~1930 |
| Marilyn Anderson | Daughter | — | 6 | ~1934 |
| Axel Anderson | Head | — | 47 | ~1893 |
| Mary Anderson | Spouse | — | 45 | ~1895 |
| Margaret Anderson | Daughter | — | 19 | ~1921 |
| Gladys Anderson | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Rock Island, …
Daughter, age
Rock Island, Illinois · implied b. ~1930 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Nancy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Rock-Island-County, Illinois
Daughter, age 10
Rock-Island-County, Illinois · implied b. ~1930 — 6 household members
| Surname | Anderson |
| Given Name | Nancy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Moline City |
| 1935 Residence (County) | Rock Island |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Nancy Anderson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Nancy Anderson
Daughter · 1940 · age 10 · b. ~1930 · Illinois
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Sibling
Marilyn Anderson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Anderson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Anderson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Rock-Island-County, Illinois
Open full size
1940 US Federal Census — Rock-Island-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00875-00979)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kathryn Buehler | 29 | Maid | Maid | Iowa |
| 2 | Axel Anderson | 47 | Head | Carpenter | Sweden |
| 3 | Mary Anderson | 45 | Wife | — | Sweden |
| 4 | Margaret Anderson | 19 | Daughter | Maid | Illinois |
| 5 | Gladys Anderson | 12 | Daughter | — | Illinois |
| 6 | Nancy Anderson THIS PERSON | 10 | Daughter | — | Illinois |
| 7 | Marilyn Anderson | 6 | Daughter | — | Illinois |
| 8 | Fred Palmer | 50 | Head | — | Illinois |
| 9 | Blanche Palmer | 47 | Wife | — | Illinois |
| 10 | Nelson D. Palmer | 82 | Father | — | Pennsylvania |
| 11 | Thorsten Becker | 49 | Head | — | Illinois |
| 12 | Ruth Becker | 46 | Wife | — | Illinois |
| 13 | Barbara Becker | 9 | Daughter | — | Illinois |
| 14 | Claude P. Carlson | 46 | Head | — | Illinois |
| 15 | Julia E. Carlson | 44 | Wife | — | Illinois |
| 16 | Joyce M. Carlson | 10 | Daughter | — | Illinois |
| 17 | James A. Lardner | 46 | Head | — | Iowa |
| 18 | Catherine Lardner | 37 | Wife | — | Iowa |
| 19 | James A. Jr. Lardner | 15 | Son | — | Iowa |
| 20 | Edward D. Lardner | 12 | Son | — | Iowa |
| 21 | Henry P. Lardner | 7 | Son | — | Iowa |
| 22 | Darlene Yohnke | 32 | Maid | Maid | Illinois |
| 23 | Ezra H. Sonner | 61 | Head | — | Ohio |
| 24 | Lucille Sonner | 60 | Wife | — | Canada |
| 25 | Irene Applequist | 47 | Maid | Maid | Illinois |
| 26 | Emma P. Almlof | 65 | Head | — | Illinois |
| 27 | Ben A. Almlof | 22 | Son | — | Illinois |
| 28 | Faye Hoskins | 27 | Maid | Maid | Iowa |
| 29 | August Sundine | 58 | Head | — | Illinois |
| 30 | Florence Sundine | 49 | Wife | — | Illinois |
| 31 | Joanne Sundine | 22 | Daughter | — | Illinois |
| 32 | Jack Sundine | 20 | Son | — | Illinois |
| 33 | Josephine Sundine | 11 | Daughter | — | Illinois |
| 34 | William F. Peters | 57 | Head | — | Illinois |
| 35 | Linda Peters | 54 | Wife | — | Illinois |
| 36 | William Jr. Peters | 22 | Son | — | Illinois |
| 37 | Benjamin Butterworth | 36 | Head | — | Connecticut |
| 38 | Kathleen Butterworth | 34 | Wife | — | New York |
| 39 | Kathleen Butterworth | 9 | Daughter | — | New York |
| 40 | William Butterworth | 7 | Son | — | New York |
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)