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Frank Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this Frank Anderson across the 1920, 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed), with identified parents Florence & Walter — first a head (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Anderson |
| Given Name | Frank E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Moline |
| 1935 Residence (County) | Rock Island |
| Additional Details | |
| Occupation | Classifier |
| Industry | government arsenal |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | Hs 3 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Classifier |
| Township / Ward | East Moline City |
| Est. Birth Year | ~1915 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| Frank Anderson | Head | — | 25 | ~1915 |
| Gerald Anderson | Son | — | 1 | ~1939 |
| Claire Anderson | Spouse | — | 23 | ~1917 |
Census Appearances
1920
Rock Island, …
Son, age 4
Rock Island, Illinois · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Rock Island, …
Son, age 15
Rock Island, Illinois · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Rock-Island-County, Illinois
Head, age 25
Rock-Island-County, Illinois · implied b. ~1915 — 3 household members
| Surname | Anderson |
| Given Name | Frank E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Moline |
| 1935 Residence (County) | Rock Island |
| Occupation | Classifier |
| Industry | government arsenal |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | Hs 3 |
| 1935 Residence | Illinois |
| 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 Frank Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Florence Anderson (~0.92 confidence) and father Walter Anderson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Florence Anderson
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
Walter Anderson
b. ~1888
Source father
● Household
· direct · ~0.92
This person
Anchor record
Frank Anderson
Head · 1940 · age 25 · b. ~1915 · Illinois
★ You are viewing this record
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-t0627-00874-00470)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna E Seifkin | 77 | Head | — | Illinois |
| 2 | Helene M Seifkin | 47 | Daughter | — | Illinois |
| 3 | Anna E Seifkin | 41 | Daughter | Grade School Teacher | Illinois |
| 4 | Mamie T Seifkin | 39 | Daughter | Clerical Worker | Illinois |
| 5 | Maurice Vanderbeke | 51 | Head | Dry Cleaning Proprietor | Belgium |
| 6 | Clara Vanderbeke | 44 | Wife | Dry Cleaning Assistant | Belgium |
| 7 | Lester Vanderbeke | 20 | Son | Clothes Presser | Illinois |
| 8 | Lester Laird | 27 | Son-in-law | Dry Cleaning Supervisor | Illinois |
| 9 | Margaret Laird | 23 | Daughter | — | Illinois |
| 10 | Frank E Anderson THIS PERSON | 25 | Head | Classifier | Illinois |
| 11 | Claire L Anderson | 23 | Wife | — | Illinois |
| 12 | Gerald L Anderson | 1 | Son | — | Illinois |
| 13 | Leo Vanderbussche | 40 | Head | Printer | Wisconsin |
| 14 | Selma Vanderbussche | 32 | Wife | Grocery Store Operator | Illinois |
| 15 | David J Vanderbussche | 5 | Daughter | — | Illinois |
| 16 | Darlene J Vanderbussche | 2 | Daughter | — | Illinois |
| 17 | Marie L Prisman | 34 | Head | Tavern Manager | Belgium |
| 18 | Frances J Prisman | 14 | Son | — | Illinois |
| 19 | Alfred J Prisman | 13 | Son | — | Illinois |
| 20 | Robert J Prisman | 10 | Son | — | Illinois |
| 21 | Paul K Schold | 31 | Head | Machine Set Up Man | Illinois |
| 22 | Angela M Schold | 30 | Wife | — | Illinois |
| 23 | Euphrasia V Van De Wielle | 69 | Boarder | — | Belgium |
| 24 | Alphonse B Desmyter | 27 | Head | Car Loader | Illinois |
| 25 | Susan L Desmyter | 26 | Wife | Canning Factory Worker | Illinois |
| 26 | Achiel Van Thour | 50 | Head | Hardware Store Operator | Belgium |
| 27 | Sadie Van Thour | 44 | Wife | — | Illinois |
| 28 | Robert Van Thour | 17 | Son | — | Illinois |
| 29 | James L Van Thour | 9 | Son | — | Illinois |
| 30 | Valere Salomon | 50 | Head | Tavern Operator | Belgium |
| 31 | Herman Peter Vass | 57 | Lodger | Molder | Hungary |
| 32 | Victor Vito Jernov | 24 | Lodger | Cupola Tender | Illinois |
| 33 | Arthur Van Rentinghen | 48 | Lodger | Molder | Belgium |
| 34 | Stanley Rangel | 51 | Lodger | Carpenter | Hungary |
| 35 | Samuel Willard | 69 | Lodger | — | Texas |
| 36 | Frank Jaraich | 54 | Lodger | Molder | Poland |
| 37 | Carl Johnson | 45 | Lodger | Foundry Worker | Sweden |
| 38 | Senna Johansen | 34 | Lodger | Molder | Sweden |
| 39 | Camiel F Loetens | 58 | Head | Dry Goods Store Operator | Belgium |
| 40 | Bertha Loetens | 52 | Wife | Dry Goods Store Operator | Belgium |
Pedigree Summary
Frank
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)