JL
John Lewis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Madison, Illinois
Our Model Tree links this John Lewis across the 1920, 1930 and 1940 US Censuses in Madison, Illinois (XGBoost, ~Confirmed), with identified parents William & Laura — first a head (b.~1880), then head of a 7-person household.
Age 50
b. ~1880
Male
Head
Born: Illinois
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Madison, Illinois |
| Surname | Lewis |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 22 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Edwardsville Township Part |
| Est. Birth Year | ~1880 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Lela Lewis | Daughter | — | 3 | ~1927 |
| John Lewis | Head | — | 50 | ~1880 |
| Hattie Williams | Other | — | 77 | ~1853 |
| Mary Lewis | Other | — | 73 | ~1857 |
| Lillian Lewis | Other | — | 47 | ~1883 |
| Laura Lewis | Other | — | 70 | ~1860 |
| Charles Lewis | Son | — | 13 | ~1917 |
Census Appearances
1920
Madison, Illinois
Head, age 38
Madison, Illinois · implied b. ~1882
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Lewis |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Ohio |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Madison, Illinois
Head, age 50
Madison, Illinois · implied b. ~1880 — 7 household members
| Surname | Lewis |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 22 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Ohio |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Madison-County, Illinois
Son, age 60
Madison-County, Illinois · implied b. ~1880 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Edwardsville Twp |
| 1935 Residence (County) | Madison |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 58 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 John Lewis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Lewis (~0.92 confidence) and mother Laura Lewis (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Lewis
b. ~1853
Source father
● Household
· direct · ~0.92
Mother
Laura Lewis
b. ~1859
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Lewis
Head · 1930 · age 50 · b. ~1880 · 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 — Madison, Illinois
Open full size
1930 US Federal Census — Madison, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel541:0782)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Fred Schlemer | 30 | Head | Farmer | Illinois |
| 52 | Emma Schlemer | 21 | Wife-H | — | Illinois |
| 53 | Lee Schlemer | 5 | Son | — | Illinois |
| 54 | John Lewis THIS PERSON | 50 | Head | Farmer | Illinois |
| 55 | Lillian M Lewis | 47 | Wife-H | — | Illinois |
| 56 | Charles J Lewis | 13 | Son | — | Illinois |
| 57 | Lela Lewis | 3 | Daughter | — | Illinois |
| 58 | Hattie Williams | 77 | Father | — | Illinois |
| 59 | Laura Lewis | 70 | Mother | — | Ohio |
| 60 | Mary S Lewis | 73 | Aunt | — | Illinois |
| 61 | Conrad Dapping | 45 | Head | Laborer | Germany |
| 62 | Minnie Dapping | 33 | Wife-H | — | Illinois |
| 63 | Norba Dapping | 9 | Son | — | Illinois |
| 64 | Duma Dapping | 7 | Daughter | — | Illinois |
| 65 | Charlotte Dapping | 4 | Daughter | — | Illinois |
| 66 | Ruby M Dapping | 2 | Daughter | — | Illinois |
| 67 | Rudolph Dabling | 24 | Boarder | Laborer | Illinois |
| 68 | Joseph Jr Triska | 43 | Head | Farmer | Czechoslovakia |
| 69 | Joseph Sr Triska | 80 | Father | — | Czechoslovakia |
| 70 | Barbara Triska | 72 | Mother-H | — | Czechoslovakia |
| 71 | John Mcmahon | 53 | Head | Farmer | Illinois |
| 72 | Lydia S Mcmahon | 56 | Wife-H | — | Illinois |
| 73 | Theodore G Dinwiddie | 48 | Head | Blacksmith | United States |
| 74 | Lula Dinwiddie | 23 | Wife-H | — | Illinois |
| 75 | Max Dinwiddie | 22 | Son | Laborer | Illinois |
| 76 | Claude Dinwiddie | 16 | Son | Laborer | Illinois |
| 77 | Joseph Gydron | 35 | Head | Carpenter | Illinois |
| 78 | Clara Gydron | 28 | Wife-H | — | Illinois |
| 79 | Delphine Gydron | 3 | Daughter | — | Illinois |
| 80 | Lester Gydron | 22 | Nephew | Laborer | Illinois |
| 81 | Catherine Gydron | 76 | Mother | — | Illinois |
| 82 | Henry Hulsker | 73 | Head | Watchman | Missouri |
| 83 | Lloyd Hulsker | 32 | Son | Motorman | Nebraska |
| 84 | Paum Martin Sohi | 60 | Head | Farmer | Missouri |
| 85 | Rose L Sohi | 54 | Wife-H | — | Illinois |
| 86 | Elizabeth Sohi | 7 | Daughter | — | Illinois |
| 87 | Walter Theuer | 35 | Head | Carpenter | Illinois |
| 88 | Helen Theuer | 34 | Wife-H | — | Illinois |
| 89 | Howard Theuer | 12 | Son | — | Illinois |
| 90 | Robert Theuer | 5 | Son | — | Illinois |
| 91 | Alfred Theuer | 40 | Head | Carpenter | Illinois |
| 92 | Marie Theuer | 28 | Wife-H | — | Illinois |
| 93 | Rae Theuer | 7 | Son | — | Missouri |
| 94 | Lonnie Schade | 41 | Head | Salesman | Missouri |
| 95 | Isabelle M Schade | 41 | Wife-H | — | Missouri |
| 96 | Norbert A Schade | 14 | Son | — | Missouri |
| 97 | Lelia C Schade | 11 | Daughter | — | Missouri |
| 98 | Victor S Miller | 28 | Head | Bookkeeper | Missouri |
| 99 | Esther Miller | 29 | Wife-H | — | Illinois |
| 100 | Betty Miller | 2 | Daughter | — | Illinois |
Pedigree Summary
John
Gen 1 · 2 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)