HH
Harold Harris — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Harold Harris across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Joseph & Joseph — first a son (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Harris |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago - City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | millinery salesman |
| Industry | millinery supply co. |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 603 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Millinery Salesman |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1916 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Joseph Harris | Head | — | 56 | ~1884 |
| Ida Harris | Spouse | — | 55 | ~1885 |
| Harold Harris | Son | — | 24 | ~1916 |
Census Appearances
1920
Cook, Illinois
Son, age 4
Cook, Illinois · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 14
Cook, Illinois · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 24
Cook-County, Illinois · implied b. ~1916 — 3 household members
| Surname | Harris |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago - City |
| 1935 Residence (County) | Cook |
| Occupation | millinery salesman |
| Industry | millinery supply co. |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 603 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 Harold Harris across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Harris (~0.92 confidence) and father Joseph Harris (~0.92 confidence) and mother Ida Harris (~0.92 confidence) and mother Sarah Harris (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Harris
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Joseph Harris
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Ida Harris
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Sarah Harris
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Harris
Son · 1940 · age 24 · b. ~1916 · 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 — 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-t0627-01001-00343)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Florence Fleischman | 20 | Wife | — | Illinois |
| 2 | Joseph S. Kartz | 47 | Head | Clothing Salesman | New York |
| 3 | Pauline P. Kartz | 42 | Wife | — | Rumania |
| 4 | Sylvan S. Kartz | 22 | Son | Physician | Illinois |
| 5 | Sanford C. Kartz | 20 | Son | Artist | Illinois |
| 6 | Louis Bolton | 52 | Head | Stocker | Germany |
| 7 | Herbert S. Bolton | 27 | Son | Salesman | Missouri |
| 8 | Joseph Abrams | 48 | Head | Ladies Coat Cutter | Poland |
| 9 | Rose Abrams | 46 | Wife | — | Russia |
| 10 | Edward Hyman | 43 | Head | Manager Men'S Furnishing | Rumania |
| 11 | Dorothy Hyman | 32 | Wife | — | Poland |
| 12 | Berle Hyman | 9 | Son | — | Illinois |
| 13 | Willie Brown | 53 | Head | — | Lithuania |
| 14 | Ethel Brown | 27 | Daughter | Stenographer | Illinois |
| 15 | Albert A. Brown | 26 | Son | Lawyer | Illinois |
| 16 | Joseph Harris | 56 | Head | Leather Goods | Russia |
| 17 | Ida Harris | 55 | Wife | — | Russia |
| 18 | Harold Harris THIS PERSON | 24 | Son | Millinery Salesman | Illinois |
| 19 | Louis Cooper | 50 | Head | Manager Grocery Store | Russia |
| 20 | Jennie Cooper | 45 | Wife | Clerk Grocery Store | Austria |
| 21 | Martin B. Holland | 25 | Head | Chemical Engineer | Illinois |
| 22 | Belle S. Holland | 24 | Wife | — | Illinois |
| 23 | Harry Mantell | 31 | Head | Jewelry Salesman | Illinois |
| 24 | Rena Mantell | 29 | Wife | — | Illinois |
| 25 | Roberta A. Mantell | 2 | Daughter | — | Illinois |
| 26 | Jack Jacobs | 18 | Brother | Stock Boy | Illinois |
| 27 | William Koch | 32 | Head | Curtain Installer | Illinois |
| 28 | Sally Koch | 31 | Wife | Switchboard Operator | Russia |
| 29 | Marshall Kohn | 32 | Head | Lithographer | Illinois |
| 30 | Bessie Kohn | 32 | Wife | — | Iowa |
| 31 | Sherly Kohn | 5 | Daughter | — | Illinois |
| 32 | Janet Peterson | 17 | Niece | Beautician | Iowa |
| 33 | Archie Brendan | 47 | Head | President | Russia |
| 34 | Sarah Brendan | 42 | Wife | — | Russia |
| 35 | Edward Brendan | 14 | Son | — | Illinois |
| 36 | Eugene Brendan | 7 | Son | — | Illinois |
| 37 | Arnold Phalen | 35 | Head | Gen. Manager Wholesale Auto Accessory | Russia |
| 38 | Josephine Phalen | 29 | Wife | — | Illinois |
| 39 | Byron Phalen | 4 | Son | — | Illinois |
| 40 | Leon Horwitz | 37 | Head | Office Clerk | Illinois |
Pedigree Summary
Harold
Gen 1 · 4 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)