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John Perkins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this John Perkins across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 14-person household.
Age 11
b. ~1929
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Perkins |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | G 5 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1929 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Betty Perkins | Daughter | — | 15 | ~1925 |
| Dorothy Perkins | Daughter | — | 7 | ~1933 |
| Patricia Perkins | Daughter | — | 9 | ~1931 |
| Fay Bishop | Daughter | — | 21 | ~1919 |
| Margaret Perkins | Daughter | — | 4 | ~1936 |
| Shirley Perkins | Daughter | — | 13 | ~1927 |
| Vernon Perkins | Head | — | 46 | ~1894 |
| John Bishop | Other | — | 21 | ~1919 |
| Dean Bishop | Other | — | 1 | ~1939 |
| Robert Perkins | Son | — | 18 | ~1922 |
| Ralph Perkins | Son | — | 8 | ~1932 |
| Charles Perkins | Son | — | 14 | ~1926 |
| John Perkins | Son | — | 11 | ~1929 |
| Rose Perkins | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Cook, Illinois
Other, age 1
Cook, Illinois · implied b. ~1929 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Perkins |
| Given Name | John H. |
| Relationship to Head | Grandson |
| 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 |
1940
Cook-County, Illinois
Son, age 11
Cook-County, Illinois · implied b. ~1929 — 14 household members
| Surname | Perkins |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Highest Grade | G 5 |
| 1935 Residence | Illinois |
| 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 Perkins across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Perkins
Son · 1940 · age 11 · b. ~1929 · Illinois
★ You are viewing this record
Sibling
Fay Bishop
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Perkins
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Perkins
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Perkins
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Perkins
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Perkins
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Perkins
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Perkins
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Perkins
Sibling · 1940 · age 9
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-t0627-01000-00341)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles L Baumgart | 56 | Lodger | — | Illinois |
| 42 | Vernon C Perkins | 46 | Head | Sales Engineer | Wisconsin |
| 43 | Rose G Perkins | 44 | Wife | — | Illinois |
| 44 | Robert D Perkins | 18 | Son | — | Illinois |
| 45 | Betty J Perkins | 15 | Daughter | — | Illinois |
| 46 | Charles V Perkins | 14 | Son | — | Illinois |
| 47 | Shirley R Perkins | 13 | Daughter | — | Illinois |
| 48 | John W Perkins THIS PERSON | 11 | Son | — | Illinois |
| 49 | Patricia A Perkins | 9 | Daughter | — | Michigan |
| 50 | Ralph G Perkins | 8 | Son | — | Michigan |
| 51 | Dorothy M Perkins | 7 | Daughter | — | Michigan |
| 52 | Margaret M Perkins | 4 | Daughter | — | Illinois |
| 53 | John T Bishop | 21 | Son-in-law | Bread Wrapper | Illinois |
| 54 | Fay M Bishop | 21 | Daughter | — | Illinois |
| 55 | Dean R Bishop | 1 | Grandchild | — | Illinois |
| 56 | Henry G Olson | 54 | Head | Janitor Recorder | Sweden |
| 57 | Sigrid A Olson | 54 | Wife | — | Illinois |
| 58 | Vernon A Olson | 24 | Son | Machine Hand | Illinois |
| 59 | Ruth A Olson | 11 | Daughter | — | Illinois |
| 60 | George S Conrad | 39 | Boarder | — | Ohio |
| 61 | Ruth G Conrad | 24 | Sister-in-law | Junior Clerk | Illinois |
| 62 | — | None | — | — | — |
| 63 | Jay C Browne | 55 | Head | Purchasing Agent | Ohio |
| 64 | Mildred A Browne | 39 | Wife | Superintendent | Illinois |
| 65 | Mary Baltas | 15 | Inmate | — | Greece |
| 66 | Dorothy Green | 15 | Inmate | — | Illinois |
| 67 | Robert Arnold | 12 | Inmate | — | Illinois |
| 68 | — | 11 | Inmate | — | Illinois |
| 69 | — | 11 | Inmate | — | Illinois |
| 70 | — | 11 | Inmate | — | Illinois |
| 71 | — | 10 | Inmate | — | Illinois |
| 72 | — | 10 | Inmate | — | Missouri |
| 73 | — | 10 | Inmate | — | Wisconsin |
| 74 | — | 10 | Inmate | — | Guatemala |
| 75 | — | 10 | Inmate | — | Illinois |
| 76 | — | 9 | Inmate | — | Nebraska |
| 77 | — | 9 | Inmate | — | Illinois |
| 78 | — | 9 | Inmate | — | Illinois |
| 79 | — | 9 | Inmate | — | Indiana |
| 80 | — | 9 | Inmate | — | Indiana |
Related Census Records
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)