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Edward Mason — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Edward Mason across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents William & William — first a head (b.~1904), then head of a 4-person household.
Age 36
b. ~1904
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Mason |
| Given Name | Edward |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | feeder |
| Industry | Print shop |
| Class of Worker | PW |
| Hours Worked | 28 |
| Income (1939) | 1400 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Feeder |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1904 |
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 Edward | Age | Birth yr |
|---|---|---|---|---|
| Edmund Mason | Son | — | 12 | ~1928 |
| Donald Mason | Son | — | 11 | ~1929 |
| Frances Mason | Spouse | — | 34 | ~1906 |
| Edward Mason | Head | — | 36 | ~1904 |
Census Appearances
1920
Cook, Illinois
Son, age 14
Cook, Illinois · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Edward |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 24
Cook, Illinois · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Edward H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Indiana |
| Occupation | Asst. Supt. |
| Industry | State Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 36
Cook-County, Illinois · implied b. ~1904 — 4 household members
| Surname | Mason |
| Given Name | Edward |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | feeder |
| Industry | Print shop |
| Class of Worker | PW |
| Hours Worked | 28 |
| Income (1939) | 1400 |
| Highest Grade | No 8 |
| 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 Edward Mason across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Mason (~0.92 confidence) and father William Mason (~0.92 confidence) and mother Elizabeth Mason (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Mason
b. ~1869
Source father
● Household
· direct · ~0.92
Father
William Mason
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Mason
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Edward Mason
Head · 1940 · age 36 · b. ~1904 · 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
37 people indexed on this census page (nara:1940:m-t0627-00986-00017)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Al R Blaskin | 51 | Head | Sheet Metal | Illinois |
| 42 | Bessie Blaskin | 46 | Wife | Cutter | Illinois |
| 43 | Al B Blaskin | 19 | Son | Sheet Metal | Illinois |
| 44 | Lena Ratkowski | 60 | Head | — | Poland |
| 45 | Antoinette Tokarz | 32 | Son-in-law | Sweatshop | Illinois |
| 46 | Estelle Tokarz | 32 | Daughter | Machine Opr | Illinois |
| 47 | Robert Tokarz | 11 | Grand-son | — | Illinois |
| 48 | Stanley Kowalski | 24 | Son-in-law | Helper | Illinois |
| 49 | Adeline Kowalski | 21 | Daughter | Insulter | Illinois |
| 50 | Walter Szczesny | 37 | Head | Press Man | Poland |
| 51 | Amanda Szczesny | 37 | Wife | — | Illinois |
| 52 | Nancy Lee Szczesny | 4 | Daughter | — | Illinois |
| 53 | Carol Ann Szczesny | 2 | Daughter | — | Illinois |
| 54 | Onufry Telek | 54 | Head | Moulder | Russia |
| 55 | Johanna Telek | 25 | Daughter | Dressmaker | Illinois |
| 56 | Olga Telek | 23 | Daughter | Stenographer | Illinois |
| 57 | Simon Dynek | 67 | Head | — | Poland |
| 58 | Regina Dynek | 63 | Wife | — | Poland |
| 59 | Helen Dynek | 20 | Daughter | Power Machine Opr | Illinois |
| 60 | Antony Pylko | 42 | Head | Laborer | Poland |
| 61 | Edward Mason THIS PERSON | 36 | Head | Feeder | Illinois |
| 62 | Frances Mason | 34 | Wife | Server-Lunch | Illinois |
| 63 | Edmund Mason | 12 | Son | — | Illinois |
| 64 | Donald Mason | 11 | Son | — | Illinois |
| 68 | Peter Larkowski | 28 | Head | Buffer | Illinois |
| 69 | Mary Larkowski | 22 | Wife | — | Illinois |
| 70 | Robert Larkowski | 2 | Son | — | Illinois |
| 71 | Thomas Larkowski | 0 | Son | — | Illinois |
| 72 | Walter Winiecki | 47 | Head | Florist Proprietor | Illinois |
| 73 | Lillian Winiecki | 46 | Wife | — | Illinois |
| 74 | Loretta Winiecki | 14 | Daughter | — | Illinois |
| 75 | Joseph Pitter | 33 | Head | Moulder | Illinois |
| 76 | Sophie Pitter | 34 | Wife | Machine Opr | Illinois |
| 77 | Herbert Malewski | 15 | Step-son | — | Illinois |
| 78 | Lorraine Malewski | 12 | Step-daughter | — | Illinois |
| 79 | Verna Lackowski | 67 | Head | Janitress | Germany |
| 80 | Richard Brown | 49 | Son | Night-Watch | Illinois |
Pedigree Summary
Edward
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)