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William Lester — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this William Lester across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1909), then head of a 6-person household.
Age 21
b. ~1909
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Lester |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | England |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Occupation | Apprentice |
| Industry | Salesman |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Apprentice |
| Township / Ward | Evanston City |
| Est. Birth Year | ~1909 |
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 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Lester | Son | — | 21 | ~1909 |
| Nellie Lester | Spouse | — | 50 | ~1880 |
| William Lester | Head | — | 53 | ~1877 |
| Madeline Lester | Daughter | — | 28 | ~1902 |
| Charlotte Lester | Daughter | — | 13 | ~1917 |
| Mary Lester | Daughter | — | 7 | ~1923 |
Census Appearances
1930
Cook, Illinois
Son, age 21
Cook, Illinois · implied b. ~1909 — 6 household members
| Surname | Lester |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | England |
| Mother's Birthplace | Scotland |
| Occupation | Apprentice |
| Industry | Salesman |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 33
Cook-County, Illinois · implied b. ~1907 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lister |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Harvey City |
| 1935 Residence (County) | Cook |
| Occupation | Laborer |
| Industry | Automobile |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | H-2 |
| 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 Lester across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Lester
Son · 1930 · age 21 · b. ~1909 · Illinois
★ You are viewing this record
Sibling
Charlotte Lester
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Madeline Lester
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Lester
Sibling · 1930 · age 7
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
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel499:0311)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles E. Vaughn | 56 | Head | Manager | Illinois |
| 2 | Emma H. Vaughn | 56 | Wife | — | Sweden |
| 3 | Julia Sullivan | 37 | Roomer | Saleswoman | Illinois |
| 4 | Bernard Heaney | 35 | Roomer | Laborer | Ireland Free State |
| 5 | Thomas Kelley | 52 | Roomer | Ironworker | England |
| 6 | Birger Pierson | 28 | Head | Laborer | Sweden |
| 7 | Martha Pierson | 23 | Wife | — | Michigan |
| 8 | Clayton Pierson | 2 | Son | — | Illinois |
| 9 | Dorothy Pierson | 0 | Daughter | — | Michigan |
| 10 | Carl Hendrickson | 46 | Roomer | Laborer | Sweden |
| 11 | Magnus Nelson | 25 | Roomer | Laborer | Norway |
| 12 | Thorleif Nelson | 20 | Roomer | Waiter | Norway |
| 13 | Edward Donner | 55 | Roomer | Engineer | Ohio |
| 14 | Frederick W. Castle | 53 | Head | Painter | England |
| 15 | Nellie Castle | 50 | Wife | — | England |
| 16 | Paul Madison | 23 | Roomer | Carpenter | Denmark |
| 17 | Americo Fassiotti | 22 | Roomer | Mechanic | Italy |
| 18 | George Heule | 34 | Roomer | Chef | Germany |
| 19 | Eveline Heule | 26 | Roomer | — | Wisconsin |
| 20 | John Purseglove | 38 | Head | Proprietor | Syria |
| 21 | Alice Purseglove | 24 | Wife | — | Syria |
| 22 | Fred Purseglove | 4 | Son | — | Illinois |
| 23 | Robert Purseglove | 2 | Son | — | Illinois |
| 24 | Ray S. Wessman | 24 | Head | Proprietor | Poland |
| 25 | Dora Wessman | 22 | Wife | — | Poland |
| 26 | Victor Wessman | 0 | Son | — | Poland |
| 27 | Edward Stephens | 30 | Head | Driver | Illinois |
| 28 | Irene T. Stephens | 30 | Wife | Nurse | Indiana |
| 29 | Frank Cameron | 33 | Head | Electrician | Sweden |
| 30 | Julia S. Cameron | 26 | Wife | Clerk | Illinois |
| 31 | George H. Van Eps | 46 | Head | Chauffeur | Michigan |
| 32 | Alice Van Eps | 43 | Wife | — | Missouri |
| 33 | William Lester | 53 | Head | Janitor | England |
| 34 | Nellie Lester | 50 | Wife | — | Scotland |
| 35 | Madeline Lester | 28 | Daughter | Clerk | Illinois |
| 36 | William Lester THIS PERSON | 21 | Son | Apprentice | Illinois |
| 37 | Charlotte Lester | 13 | Daughter | — | Illinois |
| 38 | Mary Lester | 7 | Daughter | — | Illinois |
| 39 | Carl Olson | 47 | Head | Owner | Sweden |
| 40 | Wilfred Olson | 15 | Son | — | Iowa |
| 41 | Marshall Olson | 12 | Son | — | Iowa |
| 42 | Herbert Nelson | 27 | Roomer | Mechanic | Sweden |
| 43 | Gustaf Fagerstrom | 25 | Roomer | Laborer | Sweden |
| 44 | Martin Hultberg | 22 | Roomer | Painter | Sweden |
| 45 | Arthur Samson | 21 | Roomer | Laborer | Sweden |
| 46 | Malcolm Mcneil | 45 | Head | Chauffeur | Scotland |
| 47 | Jane Mcneil | 41 | Wife | — | Scotland |
| 48 | Jane Mcneil | 18 | Daughter | — | Canada English |
| 49 | James Mcneil | 16 | Son | — | Canada English |
| 50 | Marion Mcneil | 14 | Daughter | — | Scotland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)