WG
William Gardner — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this William Gardner across the 1910, 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents William & Tillie — first a head (b.~1901), then head of a 5-person household.
Age 39
b. ~1901
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Gardner |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Evanston City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Truck driver |
| Industry | Retail Dept Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1560 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Truck Driver |
| Township / Ward | Evanston City |
| Est. Birth Year | ~1901 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Gardner | Daughter | — | 4 | ~1936 |
| William Gardner | Head | — | 39 | ~1901 |
| Raymond Gardner | Son | — | 15 | ~1925 |
| Robert Gardner | Son | — | 16 | ~1924 |
| Ann Gardner | Spouse | — | 28 | ~1912 |
Census Appearances
1910
Cook, Illinois
Son, age 9
Cook, Illinois · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Son, age 19
Cook, Illinois · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | chauffeur |
| Industry | Brokers |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Head, age 29
Cook, Illinois · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 23 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Chauffeur |
| Industry | Oil Truck |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30 |
| Radio Set | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 39
Cook-County, Illinois · implied b. ~1901 — 5 household members
| Surname | Gardner |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Evanston City |
| 1935 Residence (County) | Cook |
| Occupation | Truck driver |
| Industry | Retail Dept Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1560 |
| Highest Grade | No 7 |
| 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 William Gardner across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Gardner (~0.92 confidence) and mother Tillie Gardner (~0.92 confidence) and father William Gardner (~0.92 confidence) and mother Lillie Gardner (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Gardner
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Tillie Gardner
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
William Gardner
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Lillie Gardner
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Gardner
Head · 1940 · age 39 · b. ~1901 · 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-t0627-00779-00217)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Szymczak | 61 | Head | Gardener | Poland |
| 42 | Victoria Szymczak | 53 | Wife | — | Poland |
| 43 | John P Szymczak | 30 | Son | Postal Clerk | Illinois |
| 44 | Victor Szymczak | 29 | Son | Elevator Oper. | Illinois |
| 45 | Stephanie Szymczak | 27 | Daughter | Domestic | Illinois |
| 46 | Stephen Szymczak | 19 | Son | New Worker | Illinois |
| 47 | Victoria Szymczak | 17 | Daughter | — | Illinois |
| 48 | Bruno Mierszen | 31 | Head | Machinist | Poland |
| 49 | Helen Mierszen | 29 | Wife | — | Illinois |
| 50 | Scholastica Bociam | 56 | Head | — | Poland |
| 51 | Chester Bociam | 23 | Son | Doorman | Illinois |
| 52 | Sylvia Bociam | 19 | Daughter | Domestic | Illinois |
| 53 | Walter Bociam | 27 | Son | Salesman | Illinois |
| 54 | Stella Bociam | 23 | Daughter-in-law | Saleswoman | Pennsylvania |
| 55 | Agnes Lawcel | 16 | Lodger | New Worker | Pennsylvania |
| 56 | Steve Brzecki | 42 | Head | Sealer | Poland |
| 57 | Jane Brzecki | 34 | Wife | Office Work | New York |
| 58 | Gloria Brzecki | 10 | Daughter | — | Illinois |
| 59 | Patsy Ann Brzecki | 8 | Daughter | — | Illinois |
| 60 | Helen Brand | 31 | Head | General Clerk | Illinois |
| 61 | Nigel Suquette | 39 | Lodger | Dressmaker | Missouri |
| 62 | William Gardner THIS PERSON | 39 | Head | Truck Driver | Illinois |
| 63 | Ann Gardner | 28 | Wife | — | Illinois |
| 64 | Robert Gardner | 16 | Son | — | Illinois |
| 65 | Raymond Gardner | 15 | Son | — | Illinois |
| 66 | Dorothy Gardner | 4 | Daughter | — | Illinois |
| 67 | Walter Grazik | 40 | Head | Machine Operator | Poland |
| 68 | Stella Grazik | 33 | Wife | Telephone Operator | Poland |
| 69 | Frances Grazik | 14 | Daughter | — | Illinois |
| 70 | Richard Grazik | 12 | Son | — | Illinois |
| 71 | Victor Majewski | 28 | Head | Time Keeper | Illinois |
| 72 | Stella Majewski | 30 | Wife | — | Illinois |
| 73 | Mary Ann Majewski | 2 | Daughter | — | Illinois |
| 74 | Andrew Majewski | 63 | Son | — | Poland |
| 75 | Albert Hojnacki | 68 | Head | Janitor | Poland |
| 76 | Ann Hojnacki | 63 | Wife | — | Poland |
| 77 | John Hojnacki | 30 | Son | Machine Operator | Illinois |
| 78 | Joseph Lumbregan | 29 | Head | Stock Man | Massachusetts |
| 79 | Shirley Lumbregan | 26 | Wife | — | New York |
| 80 | Thomas Lumbregan | 6 | Son | — | Illinois |
Pedigree Summary
William
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)