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John Richards — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this John Richards across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 10-person household.
Age 9
b. ~1921
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Richards |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1921 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Richards | Daughter | — | 1 | ~1929 |
| Alice Richards | Daughter | — | ~1930 | |
| Helen Richards | Daughter | — | ~1930 | |
| John Richards | Head | — | 40 | ~1890 |
| Edward Richards | Son | — | ~1930 | |
| William Richards | Son | — | 4 | ~1926 |
| Robert Richards | Son | — | 7 | ~1923 |
| John Richards | Son | — | 9 | ~1921 |
| James Richards | Son | — | 3 | ~1927 |
| Nellie Richards | Spouse | — | 35 | ~1895 |
Census Appearances
1930
Cook, Illinois
Son, age 9
Cook, Illinois · implied b. ~1921 — 10 household members
| Surname | Richards |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| 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
Other, age 19
Cook-County, Illinois · implied b. ~1921 — 40 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richardson |
| Given Name | John |
| Relationship to Head | Inmate |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | City of Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Laborer |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 902 |
| Highest Grade | No 6 |
| 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 John Richards across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Richards
Son · 1930 · age 9 · b. ~1921 · Illinois
★ You are viewing this record
Sibling
William Richards
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Richards
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Richards
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Richards
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Richards
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Richards
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Richards
Sibling · 1930 · age 3
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:illinoiscensus00reel479:0976)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Richards | 31 | Head | — | Illinois |
| 2 | Mary Richards | 62 | Mother | — | Austria |
| 3 | Joseph Richards | 23 | Brother | Laborer | Austria |
| 4 | Frank Richards | 21 | Brother | — | Austria |
| 5 | Edward Richards | 19 | Brother | — | Austria |
| 6 | Fred Richards | 16 | Brother | — | Illinois |
| 7 | William Richards | 14 | Brother | — | Illinois |
| 8 | George Richards | 12 | Brother | — | Illinois |
| 9 | Albert Richards | 10 | Brother | — | Illinois |
| 10 | Helen Richards | 8 | Sister | — | Illinois |
| 11 | Arthur Richards | 6 | Brother | — | Illinois |
| 12 | Robert Richards | 4 | Brother | — | Illinois |
| 13 | Harold Richards | 2 | Brother | — | Illinois |
| 14 | Dorothy Richards | 1 | Sister | — | Illinois |
| 15 | Ruth Richards | 0 | Sister | — | Illinois |
| 16 | John Richards | 40 | Head | Mechanic | Illinois |
| 17 | Nellie Richards | 35 | Wife | — | Illinois |
| 18 | John Richards THIS PERSON | 9 | Son | — | Illinois |
| 19 | Robert Richards | 7 | Son | — | Illinois |
| 20 | William Richards | 4 | Son | — | Illinois |
| 21 | James Richards | 3 | Son | — | Illinois |
| 22 | Mary Richards | 1 | Daughter | — | Illinois |
| 23 | Helen Richards | 0 | Daughter | — | Illinois |
| 24 | Edward Richards | 0 | Son | — | Illinois |
| 25 | Alice Richards | 0 | Daughter | — | Illinois |
| 26 | James Cinquegrani | 35 | Head | Clerk | Illinois |
| 27 | Laura Cinquegrani | 28 | Wife | — | Illinois |
| 28 | Elaine Cinquegrani | 9 | Daughter | — | Illinois |
| 29 | Evelyn Cinquegrani | 7 | Daughter | — | Illinois |
| 30 | Audrey Cinquegrani | 1 | Daughter | — | Illinois |
| 31 | James Cinquegrani | 31 | Son | Painter | Illinois |
| 32 | Mary Cinquegrani | 30 | Wife | — | Illinois |
| 33 | James Cinquegrani | 5 | Son | — | Illinois |
| 34 | Malcolm W. Knauth | 30 | Head | Printer | Illinois |
| 35 | Lillian Knauth | 28 | Wife | — | South Dakota |
| 36 | Malcolm Knauth | 6 | Son | — | Illinois |
| 37 | James Knauth | 37 | Head | Clerk | Illinois |
| 38 | Mary Knauth | 35 | Wife | — | Illinois |
| 39 | James Knauth | 9 | Son | — | Illinois |
| 40 | William Knauth | 70 | Head | Painter | Germany |
| 41 | Mary Knauth | 67 | Wife | — | Germany |
| 42 | William Knauth | 35 | Son | — | Illinois |
| 43 | George Knauth | 33 | Son | — | Illinois |
| 44 | John Knauth | 58 | Head | — | Germany |
| 45 | Mary Knauth | 56 | Wife | — | Germany |
| 46 | John Knauth | 31 | Son | Bookkeeper | Illinois |
| 47 | Mary Knauth | 27 | Daughter | — | Illinois |
| 48 | Harold Knauth | 24 | Son | — | Illinois |
| 49 | Albert Knauth | 22 | Son | — | Illinois |
| 50 | Albert O. Ullrich | 43 | Head | Salesman | Germany |
Related Census Records
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)