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John Sheridan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this John Sheridan across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 7-person household.
Age 23
b. ~1917
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Sheridan |
| Given Name | John R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Press Operator |
| Industry | Automobile Trailer Factory |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 1100 |
| Highest Grade | H-2 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Press Operator |
| Township / Ward | Chicago |
| Est. Birth Year | ~1917 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Phillip Sheridan | Son | — | 19 | ~1921 |
| Irene Sheridan | Head | — | 48 | ~1892 |
| John Sheridan | Son | — | 23 | ~1917 |
| Margaret Sheridan | Daughter | — | 21 | ~1919 |
| Francis Sheridan | Son | — | 16 | ~1924 |
| William Sheridan | Son | — | 24 | ~1916 |
| James Sheridan | Son | — | 26 | ~1914 |
Census Appearances
1930
Cook, Illinois
Son, age 13
Cook, Illinois · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sheridan |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| 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
Son, age 23
Cook-County, Illinois · implied b. ~1917 — 7 household members
| Surname | Sheridan |
| Given Name | John R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Press Operator |
| Industry | Automobile Trailer Factory |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 1100 |
| 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 John Sheridan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Sheridan
Son · 1940 · age 23 · b. ~1917 · Illinois
★ You are viewing this record
Sibling
William Sheridan
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phillip Sheridan
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Sheridan
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Sheridan
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Sheridan
Sibling · 1940 · age 16
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
39 people indexed on this census page (nara:1940:m-t0627-00954-00870)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ruth Murrell | 35 | Lodger | Telephone Operator | Illinois |
| 42 | Diana Murrell | 2 | Lodger | — | Illinois |
| 43 | John Apple | 46 | Head | Conductor | Illinois |
| 44 | Mary Apple | 42 | Wife | — | Illinois |
| 45 | Jack Apple | 15 | Son | — | Illinois |
| 46 | Mary Jo Apple | 6 | Daughter | — | Illinois |
| 47 | Button Apple | 1 | Son | — | Illinois |
| 48 | Edward Vicha | 48 | Head | Freight Clerk | Illinois |
| 49 | Emily Vicha | 45 | Wife | — | Illinois |
| 50 | Frank Vicha | 18 | Son | — | Illinois |
| 51 | Charles P. Byrns | 71 | Head | — | Illinois |
| 52 | Clarence Ecklund | 41 | Son-in-law | Fireman | Michigan |
| 53 | Helen M. Ecklund | 40 | Daughter | — | Illinois |
| 54 | Charles E. Ecklund | 12 | Son | — | Illinois |
| 55 | Stewart Rea | 40 | Head | Payroll Auditor | Oklahoma |
| 56 | Florence Rea | 31 | Wife | — | Oklahoma |
| 57 | Robert Rea | 6 | Son | — | Illinois |
| 58 | Sarah N. Rea | 1 | Daughter | — | Illinois |
| 59 | James Dickey | 50 | Head | Laborer | New Hampshire |
| 60 | Margaret Dickey | 47 | Wife | — | New York |
| 61 | Mary Dickey | 13 | Daughter | — | Illinois |
| 62 | Frank Noak | 22 | Head | Truck Driver | Illinois |
| 63 | Margaret Noak | 20 | Daughter | — | Illinois |
| 64 | Robert Noak | 0 | Son | — | Illinois |
| 65 | Irene Sheridan | 48 | Head | — | Illinois |
| 66 | James B. Sheridan | 26 | Son | Linen Marker | Illinois |
| 67 | John R. Sheridan THIS PERSON | 23 | Son | Press Operator | Illinois |
| 68 | William J. Sheridan | 24 | Son | Spray Gun Operator | Illinois |
| 69 | Margaret G. Sheridan | 21 | Daughter | Vending Machine Operator | Illinois |
| 70 | Phillip E. Sheridan | 19 | Son | — | Illinois |
| 71 | Francis E. Sheridan | 16 | Son | — | Illinois |
| 72 | Mary Michaels | 76 | Head | — | Pennsylvania |
| 73 | George C. Michaels | 42 | Son | Material Watchman | Illinois |
| 74 | Leona Michaels | 38 | Daughter | Merchandise Checker | Illinois |
| 75 | Margaret Dempsey | 40 | Daughter | — | Illinois |
| 76 | Emmet Dempsey | 21 | Grandson | Clothing Checker | Illinois |
| 77 | Bernice Dempsey | 19 | Granddaughter | Machine Endorser | Illinois |
| 78 | Leona Dempsey | 18 | Granddaughter | — | Illinois |
| 79 | Mary Ellen Noone | 95 | Daughter | — | Illinois |
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)