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Melvin Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this Melvin Anderson across the 1920, 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed), with identified parents Ernest & Ernest — first a head (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Anderson |
| Given Name | Melvin P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Moline |
| 1935 Residence (County) | Rock Island |
| Additional Details | |
| Occupation | Asst. Foreman |
| Industry | Foundry |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1860 |
| Highest Grade | H-4 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Asst. Foreman |
| Township / Ward | Rock Island City |
| Est. Birth Year | ~1910 |
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 Melvin | Age | Birth yr |
|---|---|---|---|---|
| Sharon Anderson | Daughter | — | 4 | ~1936 |
| Melvin Anderson | Head | — | 30 | ~1910 |
| Dorothy Anderson | Spouse | — | 31 | ~1909 |
Census Appearances
1920
Rock Island, …
Son, age 10
Rock Island, Illinois · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Melvin |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Rock Island, …
Son, age 20
Rock Island, Illinois · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Melvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Clerk |
| Industry | Imp factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Rock-Island-County, Illinois
Head, age 30
Rock-Island-County, Illinois · implied b. ~1910 — 3 household members
| Surname | Anderson |
| Given Name | Melvin P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Moline |
| 1935 Residence (County) | Rock Island |
| Occupation | Asst. Foreman |
| Industry | Foundry |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1860 |
| Highest Grade | H-4 |
| 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 Melvin Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ernest Anderson (~0.92 confidence) and father Ernest Anderson (~0.92 confidence) and mother Tekla Anderson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ernest Anderson
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Ernest Anderson
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Tekla Anderson
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Melvin Anderson
Head · 1940 · age 30 · b. ~1910 · 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-t0627-00877-00402)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Agnes Holland | 47 | Head | — | Minnesota |
| 2 | Donald Holland | 25 | Son | Asst. Eng. | Michigan |
| 3 | Paul Holland | 23 | Son | Usher | Michigan |
| 4 | Patricia Holland | 16 | Daughter | — | Michigan |
| 5 | Laura Holland | 11 | Daughter | — | Michigan |
| 6 | William Holland | 11 | Son | — | Michigan |
| 7 | Rudolph Schultz | 60 | Head | Supt. Gas Dept | Germany |
| 8 | Esther A. Schultz | 57 | Wife | — | Illinois |
| 9 | Agnes A. Illing | 67 | Head | — | Germany |
| 10 | Robert Illing | 42 | Son | New Worker | Illinois |
| 11 | Vern Hughes | 42 | Head | Machine Oper. | Iowa |
| 12 | Helen D. Hughes | 39 | Wife | — | Iowa |
| 13 | Madine Hughes | 20 | Daughter | Clerk | Iowa |
| 14 | Mahlon Hughes | 14 | Son | — | Iowa |
| 15 | Donna Hughes | 7 | Daughter | — | Iowa |
| 16 | Elias C. Jefferis | 46 | Head | Truck Mechanic | Iowa |
| 17 | Frances B. Jefferis | 28 | Wife | — | Iowa |
| 18 | Joan Jefferis | 3 | Daughter | — | Iowa |
| 19 | Alfred D. Hickey | 47 | Head | Mech. Helper | Iowa |
| 20 | Alpha M. Hickey | 43 | Wife | — | Iowa |
| 21 | Thomas Hickey | 22 | Son | Fountain Clerk | Iowa |
| 22 | Mary Patricia Hickey | 19 | Daughter | Salesgirl | Iowa |
| 23 | John Hickey | 12 | Son | — | Iowa |
| 24 | Herbert Gray | 69 | Head | — | Illinois |
| 25 | Velma G. Baker | 40 | Head | Shear Operator | Iowa |
| 26 | Dorothy Baker | 25 | Wife | — | Iowa |
| 27 | John Klettenhoff | 48 | Head | Cut-Downer | Illinois |
| 28 | Alice Klettenhoff | 48 | Wife | — | Illinois |
| 29 | Fred Karlson | 80 | Head | — | Sweden |
| 30 | Anna Karlson | 87 | Wife | — | Sweden |
| 31 | Esther Johnson | 30 | Daughter | Bindery Helper | Illinois |
| 32 | Elmer W. Johnson | 45 | Son-in-law | Machine Operator | Illinois |
| 33 | Dean Conner | 14 | Grandson | — | Illinois |
| 34 | Patricia A. Conner | 12 | Granddaughter | — | Illinois |
| 35 | Carl Johnson | 59 | Head | Moulder | Sweden |
| 36 | Ida Johnson | 59 | Wife | — | Sweden |
| 37 | Gunnar Johnson | 26 | Son | Mach. Operator | Illinois |
| 38 | Melvin P. Anderson THIS PERSON | 30 | Head | Asst. Foreman | Illinois |
| 39 | Dorothy V. Anderson | 31 | Wife | — | Illinois |
| 40 | Sharon Anderson | 4 | Daughter | — | Illinois |
Pedigree Summary
Melvin
Gen 1 · 3 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)