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William Ward — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this William Ward across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Ward |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Berwyn City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Clerk Office |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1440 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Clerk Office |
| Township / Ward | Berwyn City |
| Est. Birth Year | ~1919 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Anne Ward | Daughter | — | 15 | ~1925 |
| Eleanor Ward | Daughter | — | 24 | ~1916 |
| William Ward | Head | — | 54 | ~1886 |
| William Ward | Son | — | 21 | ~1919 |
| Jack Ward | Son | — | 19 | ~1921 |
| Ellen Ward | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Cook, Illinois
Son, age 1
Cook, Illinois · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ward |
| Given Name | William J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 11
Cook, Illinois · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ward |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 21
Cook-County, Illinois · implied b. ~1919 — 6 household members
| Surname | Ward |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Berwyn City |
| 1935 Residence (County) | Cook |
| Occupation | Clerk Office |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1440 |
| Highest Grade | H 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 William Ward across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Ward (~0.92 confidence) and father William Ward (~0.92 confidence) and father William Ward (~0.92 confidence) and mother Ellen Ward (~0.92 confidence) and mother Alice Ward (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Ward
b. ~1887
Source father
● Household
· direct · ~0.92
Father
William Ward
b. ~1886
Source father
● Household
· direct · ~0.92
Father
William Ward
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Ellen Ward
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Alice Ward
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Ward
Son · 1940 · age 21 · b. ~1919 · Illinois
★ You are viewing this record
Sibling
Jack Ward
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Ward
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Ward
Sibling · 1940 · age 15
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-t0627-00772-00189)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Russell Rogers | 39 | Head | Asst. Assistant Farm Implements | Illinois |
| 2 | Marjorie Rogers | 38 | Wife | — | Minnesota |
| 3 | Robert Rogers | 10 | Son | — | Illinois |
| 4 | Richard Rogers | 6 | Son | — | Illinois |
| 5 | Roberta Rogers | 2 | Daughter | — | Illinois |
| 6 | John Denvir | 28 | Head | Chauffeur | Illinois |
| 7 | Florence Denvir | 27 | Wife | — | Illinois |
| 8 | John Jr. Denvir | 9 | Son | — | Illinois |
| 9 | Joyce Denvir | 5 | Daughter | — | Illinois |
| 10 | Herman Rohwedder | 67 | Head | Doctor | Iowa |
| 11 | Clara Rohwedder | 67 | Wife | — | Iowa |
| 12 | Carma Rohwedder | 30 | Daughter | Saleslady | Illinois |
| 13 | Victor Rohwedder | 27 | Son | Salesman | Illinois |
| 14 | Charles Sindelar | 47 | Head | Freight Rate Clerk | Illinois |
| 15 | Lauretta Sindelar | 48 | Wife | — | Illinois |
| 16 | Charles Sindelar | 22 | Son | Elevator Operator | Illinois |
| 17 | Helen Sindelar | 21 | Daughter | Helper | Illinois |
| 18 | Lauretta Sindelar | 17 | Daughter | — | Illinois |
| 19 | Katherine Sindelar | 9 | Daughter | — | Illinois |
| 20 | William Ward | 54 | Head | Clerk Office | Illinois |
| 21 | Ellen Ward | 55 | Wife | — | Illinois |
| 22 | Eleanor Ward | 24 | Daughter | Stenographer | Illinois |
| 23 | William Jr. Ward THIS PERSON | 21 | Son | Clerk Office | Illinois |
| 24 | Jack Ward | 19 | Son | Clerk Office | Illinois |
| 25 | Anne Ward | 15 | Daughter | — | Illinois |
| 26 | Fred Merkel | 47 | Head | Crane Operator | Ohio |
| 27 | Myrtle Merkel | 42 | Wife | — | Ohio |
| 28 | Donald Merkel | 23 | Son | Machine Repairman | Ohio |
| 29 | Elaine Merkel | 19 | Daughter | Beautician | Ohio |
| 30 | Wayne Merkel | 16 | Son | — | Ohio |
| 31 | Stanley Rynkus | 30 | Head | Correspondent Clerk | Illinois |
| 32 | Olga Rynkus | 29 | Wife | — | Illinois |
| 33 | Andrew Boehm | 30 | Head | Accountant | Illinois |
| 34 | Bernice Boehm | 31 | Wife | — | Illinois |
| 35 | Warren Boehm | 7 | Son | — | Illinois |
| 36 | Arlene Boehm | 5 | Daughter | — | Illinois |
| 37 | James Hrdlo | 62 | Head | Salesman | Illinois |
| 38 | Mary Hrdlo | 58 | Wife | — | Czechoslovakia |
| 39 | George Hrdlo | 29 | Son | Stock Room Keeper | Illinois |
| 40 | John Burian | 41 | Head | Section Chief | Illinois |
Related Census Records
Pedigree Summary
William + 3 siblings
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)