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Martin Anderson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this Martin Anderson across the 1910, 1920, 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 6-person household.
Age 51
b. ~1889
Male
Head
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Anderson |
| Given Name | Martin S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Moline City |
| 1935 Residence (County) | Rock Island |
| Naturalization Status | Alien |
| Additional Details | |
| Occupation | Janitor & Caretaker |
| Industry | Savings & Trust Bldg |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 800 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Occupation | Janitor & Caretaker |
| Township / Ward | Moline City |
| Est. Birth Year | ~1889 |
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 Martin | Age | Birth yr |
|---|---|---|---|---|
| Martin Anderson | Son | — | 9 | ~1931 |
| Ruth Anderson | Daughter | — | 17 | ~1923 |
| Ethel Anderson | Spouse | — | 45 | ~1895 |
| Esther Anderson | Daughter | — | 22 | ~1918 |
| Martin Anderson | Head | — | 51 | ~1889 |
| Nellie Anderson | Daughter | — | 12 | ~1928 |
Census Appearances
1910
Mercer, Illinois
Other, age 20
Mercer, Illinois · implied b. ~1890 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Martin |
| Relationship to Head | Servant |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Sweden |
| Year of Immigration | 1907 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farm Laborer |
| Industry | Working Out |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1920
Rock Island, …
Head, age 30
Rock Island, Illinois · implied b. ~1890 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Martin |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1911 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Machinist Helper |
| Industry | Auto Clutch Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | R |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1930
Rock Island, …
Head, age 41
Rock Island, Illinois · implied b. ~1889 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Martin |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | First papers filed |
| Year of Immigration | 1911 |
| Age at First Marriage | 25 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Laborer |
| Industry | Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Rock-Island-County, Illinois
Head, age 51
Rock-Island-County, Illinois · implied b. ~1889 — 6 household members
| Surname | Anderson |
| Given Name | Martin S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Moline City |
| 1935 Residence (County) | Rock Island |
| Naturalization Status | Alien |
| Occupation | Janitor & Caretaker |
| Industry | Savings & Trust Bldg |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 800 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 Martin Anderson across 4 US Census years (1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Martin Anderson
Head · 1940 · age 51 · b. ~1889 · Illinois
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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 — 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-t0627-00875-00253)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Geneva Brock | 31 | Daughter | Clerk & Typist | Illinois |
| 42 | Carl A. Vogt | 71 | Lodger | — | Iowa |
| 43 | Fred Olin | 45 | Lodger | Printer | Illinois |
| 44 | Martin S. Anderson THIS PERSON | 51 | Head | Janitor & Caretaker | Sweden |
| 45 | Ethel V. Anderson | 45 | Wife | — | Illinois |
| 46 | Esther S. Anderson | 22 | Daughter | Telephone Operator | Illinois |
| 47 | Ruth E. Anderson | 17 | Daughter | — | Illinois |
| 48 | Nellie A. Anderson | 12 | Daughter | — | Illinois |
| 49 | Martin C. Anderson | 9 | Son | — | Illinois |
| 50 | Lee Coats | 53 | Head | Machinist | Kentucky |
| 51 | Laura C. Coats | 57 | Wife | — | Illinois |
| 52 | Leanne Coats | 17 | Daughter | — | Illinois |
| 53 | Pauline Coats | 11 | Daughter | — | Illinois |
| 54 | Edward R. Lundberg | 80 | Head | — | Sweden |
| 55 | Henry R. Johnson | 37 | Son-in-law | Claim Adjuster | Illinois |
| 56 | Dorothy L. Johnson | 38 | Daughter | Secretary & Stenographer | Illinois |
| 57 | Paul J. Carr | 37 | Head | Salesman | California |
| 58 | Mary K. Carr | 39 | Wife | — | Kentucky |
| 59 | Jessie Cousins | 69 | Mother-in-law | — | Kentucky |
| 60 | Dick Quinn | 26 | Lodger | Punch Press Operator | Iowa |
| 61 | Dale Ward | 29 | Lodger | Salesman | Illinois |
| 62 | Richard G. Barclay | 28 | Head | Attendant | Ohio |
| 63 | Lena M. Barclay | 27 | Wife | — | Illinois |
| 64 | George Lince | 43 | Lodger | Mech. Inspector | Illinois |
| 65 | Fred G. Miller | 50 | Head | Night Fireman | Iowa |
| 66 | Bessie M. Miller | 46 | Wife | — | Iowa |
| 67 | Frederick B. Miller | 18 | Son | — | Iowa |
| 68 | Everett Sherrington | 37 | Head | Metal Polisher | Iowa |
| 69 | Beulah Sherrington | 40 | Wife | — | Iowa |
| 70 | Thomas J. Sherrington | 15 | Son | — | Iowa |
| 71 | John Kerrigan | 45 | Head | (W) | Illinois |
| 72 | Florence Kerrigan | 38 | Wife | Cook | Illinois |
| 73 | Ruby Kerrigan | 18 | Daughter | — | Illinois |
| 74 | Daniel Kerrigan | 15 | Daughter | — | Illinois |
| 75 | Virgil Starr | 34 | Son-in-law | House To House Salesman | Illinois |
| 76 | Carol Starr | 17 | Daughter | — | Illinois |
| 77 | Truman Starr | 1 | Nephew | — | Illinois |
| 78 | Charles H. Diehl | 68 | Head | Assemblyman | Illinois |
| 79 | Molly Diehl | 58 | Wife | — | Illinois |
| 80 | James Hill | 39 | Head | Machine Operator | Illinois |
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)