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Harry Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Harry Anderson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Son
Born: Alaska
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Anderson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Alaska |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Watchman |
| Industry | Park System W.P.A. |
| Class of Worker | GW |
| Hours Worked | 13 |
| Income (1939) | 602 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Alaska |
| Birth Country | United States |
| Birthplace (normalized) | alaska |
| Occupation | Watchman |
| Township / Ward | Chicago 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| William Anderson | Head | — | 64 | ~1876 |
| Herbert Anderson | Son | — | 20 | ~1920 |
| Harry Anderson | Son | — | 30 | ~1910 |
| Thelma Anderson | Spouse | — | 59 | ~1881 |
Census Appearances
1920
King, Washington
Son, age 10
King, Washington · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Harry R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Alaska |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Oregon |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Alaska |
| Birth Country | United States |
| Birthplace (normalized) | alaska |
1930
Cook, Illinois
Son, age 20
Cook, Illinois · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Alaska |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Oregon |
| Occupation | Helper |
| Industry | Truck Dept. Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Alaska |
| Birth Country | United States |
| Birthplace (normalized) | alaska |
1940
Cook-County, Illinois
Son, age 30
Cook-County, Illinois · implied b. ~1910 — 4 household members
| Surname | Anderson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Alaska |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Watchman |
| Industry | Park System W.P.A. |
| Class of Worker | GW |
| Hours Worked | 13 |
| Income (1939) | 602 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Alaska |
| Birth Country | United States |
| Birthplace (normalized) | alaska |
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 Harry Anderson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father William Anderson (~0.92 confidence) and father William Anderson (~0.92 confidence) and father William Anderson (~0.92 confidence) and mother Thelma Anderson (~0.92 confidence) and mother Thelma Anderson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Anderson
b. ~1876
Source father
● Household
· direct · ~0.92
Father
William Anderson
b. ~1877
Source father
● Household
· direct · ~0.92
Father
William Anderson
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Thelma Anderson
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Thelma Anderson
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Anderson
Son · 1940 · age 30 · b. ~1910 · Illinois
★ You are viewing this record
Sibling
Herbert Anderson
Sibling · 1940 · age 20
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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00990-00222)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Andrew Ostrem | 54 | Head | Deck Hand | Norway |
| 2 | Bertha G Ostrem | 54 | Wife | — | Norway |
| 3 | Christ Storm | 42 | Head | Auto Mechanic | Denmark |
| 4 | Julia Storm | 43 | Wife | — | Denmark |
| 5 | Bert Storm | 22 | Son | Stock Clerk | Denmark |
| 6 | Ester Storm | 11 | Daughter | — | Illinois |
| 7 | Benjamin Gates | 50 | Head | Machinist | Illinois |
| 8 | Anna Gates | 38 | Wife | — | Illinois |
| 9 | Ruth Gates | 17 | Daughter | — | Illinois |
| 10 | Alice Gates | 16 | Daughter | — | Illinois |
| 11 | Irene Gates | 9 | Daughter | — | Illinois |
| 12 | William Kedrowski | 40 | Head | Steam Locomotive Engineer | Illinois |
| 13 | Martina Kedrowski | 39 | Wife | — | Illinois |
| 14 | Wilbert Kedrowski | 13 | Son | — | Illinois |
| 15 | Joan Kedrowski | 4 | Daughter | — | Illinois |
| 16 | Andrew Paul | 31 | Head | Traffic Mgr. | New York |
| 17 | Jessie Paul | 27 | Wife | — | Wisconsin |
| 18 | Christian Neilsen | 40 | Head | Carpenter | Denmark |
| 19 | Ellen Neilsen | 20 | Wife | — | Canada |
| 20 | Christian Jr. Neilsen | 2 | Son | — | Illinois |
| 21 | George W. Neilsen | 0 | Son | — | Illinois |
| 22 | Richard Seike | 44 | Head | Watch Maker | Latvia |
| 23 | Ellene Seike | 40 | Wife | — | Illinois |
| 24 | Virginia Seike | 15 | Daughter | — | Illinois |
| 25 | Rosa Sedlarik | 56 | Head | — | Hungary |
| 26 | Louise Sedlarik | 29 | Daughter | Order Taker | Illinois |
| 27 | Helen Sedlarik | 16 | Daughter | — | Illinois |
| 28 | Marie Hoyne | 36 | Roomer | Nurses Aid | Illinois |
| 29 | William Anderson | 64 | Head | — | Michigan |
| 30 | Thelma Anderson | 59 | Wife | — | Oregon |
| 31 | Harry Anderson THIS PERSON | 30 | Son | Watchman | Alaska |
| 32 | Herbert Anderson | 20 | Son | Laborer | Wash |
| 33 | Ragnar Lundquist | 26 | Head | Laborer | Wisconsin |
| 34 | Luella Lundquist | 25 | Wife | — | Michigan |
| 35 | Ivar Lundquist | 28 | Brother | Laborer | Wisconsin |
| 36 | Tillie Hanson | 81 | Head | — | Norway |
| 37 | Susan Pierce | 68 | Head | — | Florida |
| 38 | Edward Nichols | 50 | Head | Engraver | Illinois |
| 39 | Carrie Nichols | 44 | Wife | — | Iowa |
| 40 | Jeanette Nichols | 20 | Daughter | Secretary | Illinois |
Pedigree Summary
Harry + 1 sibling
Gen 1 · 5 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)