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Ralph Lewis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Ralph Lewis across the 1900, 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents John & Edna — first a head (b.~1886), then head of a 5-person household.
Age 44
b. ~1886
Male
Head
Born: Illinois
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Lewis |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 20 |
| Father's Birthplace | New York |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Foreman |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 45 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Foreman |
| Township / Ward | Chicago |
| Est. Birth Year | ~1886 |
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 1930 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Ralph Lewis | Head | — | 44 | ~1886 |
| Betty Lewis | Daughter | — | 9 | ~1921 |
| Alberta Lewis | Daughter | — | 17 | ~1913 |
| Minnie Lewis | Spouse | — | 40 | ~1890 |
| James Lewis | Other | — | 34 | ~1896 |
Census Appearances
1900
Cook, Illinois
Son, age 14
Cook, Illinois · implied b. ~1886 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Ralph E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Birth Month | Jan |
| Birth Year | 1886 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1910
Cook, Illinois
Son, age 24
Cook, Illinois · implied b. ~1886 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Ralph E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Machinist |
| Industry | Iron Foundry |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Head, age 34
Cook, Illinois · implied b. ~1886 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Machinist |
| Industry | Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Head, age 44
Cook, Illinois · implied b. ~1886 — 5 household members
| Surname | Lewis |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 20 |
| Father's Birthplace | New York |
| Mother's Birthplace | Illinois |
| Occupation | Foreman |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 45 |
| 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 Ralph Lewis across 4 US Census years (1900, 1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage. Identified parents: father John Lewis (~0.92 confidence) and mother Edna Lewis (~0.92 confidence) and mother Edna Lewis (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Lewis
b. ~1855
Source father
● Household
· direct · ~0.92
Mother
Edna Lewis
b. ~1856
Source mother
● Household
· direct · ~0.92
Mother
Edna Lewis
b. ~1855
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Lewis
Head · 1930 · age 44 · b. ~1886 · Illinois
★ You are viewing this record
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
45 people indexed on this census page (ia:1930:illinoiscensus00reel469:0816)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Frank Graff | 44 | Head | Carpenter | Austria/Hungary |
| 52 | Anna Graff | 41 | Wife | None | Austria/Hungary |
| 53 | Anna Graff | 19 | Daughter | Stenographer | Illinois |
| 54 | Frank Graff | 18 | Son | Inspector | Illinois |
| 55 | Gazella Graff | 16 | Daughter | None | Illinois |
| 56 | Albert Johnson | 36 | Head | Carpenter | Sweden |
| 57 | Selma Johnson | 39 | Wife | None | Sweden |
| 58 | Axel Seagren | 25 | Lodger | Mechanic Auto | Sweden |
| 59 | Albert Erikson | 25 | Lodger | Painter | Sweden |
| 60 | Edward Andel | 42 | Head | Mail Carrier | Minnesota |
| 61 | Alfreda Andel | 39 | Wife | None | Illinois |
| 62 | Eleanor Andel | 18 | Daughter | None | Illinois |
| 63 | Mina Guldbrandsen | 73 | Mother-in-law | None | Denmark |
| 64 | Louis Viegner | 47 | Head | Foreman | Illinois |
| 65 | Janet Viegner | 41 | Wife | None | Indiana |
| 66 | Robert Viegner | 17 | Son | Laborer | Illinois |
| 67 | Edwin Viegner | 12 | Son | Caddy | Illinois |
| 68 | Jessie Viegner | 10 | Son | None | Illinois |
| 69 | Louis Viegner | 10 | Son | None | Illinois |
| 70 | Edith Viegner | 6 | Daughter | None | Illinois |
| 71 | Herman Viegner | 4 | Son | None | Illinois |
| 72 | Carl Masello | 42 | Head | Stage Hand | Illinois |
| 73 | Carmela Masello | 39 | Wife | None | Italy |
| 74 | Joseph Masello | 18 | Son | Chauffeur | Illinois |
| 75 | Florence Masello | 11 | Daughter | None | Illinois |
| 76 | Alexander Burdick | 36 | Head | Physician & Surgeon | Wisconsin |
| 77 | Adelaide Burdick | 37 | Wife | None | Wisconsin |
| 78 | Allison Burdick | 5 | Son | None | Illinois |
| 79 | George Nelson | 50 | Head | Merchant | Norway |
| 80 | Martha Nelson | 45 | Wife | None | Norway |
| 81 | Carl Graham | 58 | Boarder | Clerk Mail | Norway |
| 82 | Edward Schuffing | 79 | Head | None | Germany |
| 83 | John H. Schuffing | 38 | Son | Engineer | Illinois |
| 84 | Joseph Smith | 32 | Son-in-law | Cashier | Texas |
| 85 | Elsie Smith | 31 | Daughter | None | Illinois |
| 86 | Dorothy Smith | 11 | Daughter | None | Illinois |
| 87 | Joseph Jr. Smith | 8 | Son | None | Illinois |
| 88 | Edward Jr. Schuffing | 22 | Son | None | Illinois |
| 89 | Shirley Schuffing | 21 | Daughter-in-law | None | Illinois |
| 90 | George O'Hara | 26 | Daughter-in-law | None | Illinois |
| 91 | Ralph Lewis THIS PERSON | 44 | Head | Foreman | Illinois |
| 92 | Minnie Lewis | 40 | Wife | None | Michigan |
| 93 | Alberta Lewis | 17 | Daughter | None | Illinois |
| 94 | Betty Lewis | 9 | Daughter | None | Illinois |
| 95 | James Lewis | 34 | Brother | Foreman | Michigan |
Pedigree Summary
Ralph
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 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)