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John Mchugh — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this John Mchugh across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | McHugh |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1928 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Dolores Mchugh | Daughter | — | 6 | ~1934 |
| Edward Mchugh | Head | — | 45 | ~1895 |
| George Mchugh | Son | — | 15 | ~1925 |
| Marion Mchugh | Daughter | — | 18 | ~1922 |
| Edward Mchugh | Son | — | 20 | ~1920 |
| Marie Mchugh | Spouse | — | 40 | ~1900 |
| Virginia Mchugh | Daughter | — | 10 | ~1930 |
| Thomas Mchugh | Son | — | 12 | ~1928 |
| John Mchugh | Son | — | 12 | ~1928 |
Census Appearances
1930
Cook, Illinois
Son, age 1
Cook, Illinois · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McHugh |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland F.S. |
| Mother's Birthplace | Ireland F.S. |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 12
Cook-County, Illinois · implied b. ~1928 — 9 household members
| Surname | McHugh |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Class of Worker | 0 |
| Highest Grade | 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 Mchugh across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mchugh
Son · 1940 · age 12 · b. ~1928 · Illinois
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Sibling
Virginia Mchugh
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dolores Mchugh
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Mchugh
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mchugh
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Mchugh
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mchugh
Sibling · 1940 · age 12
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-t0627-00995-00757)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Michael Rabin | 1 | Grand Son | — | Illinois |
| 2 | Michel Joyce | 67 | Head | — | Pennsylvania |
| 3 | Mary L Joyce | 61 | Wife | — | Pennsylvania |
| 4 | Martin Joyce | 32 | Son | Laborer | Illinois |
| 5 | Mary Joyce | 22 | Daughter | Stenographer | Illinois |
| 6 | Emmett Joyce | 26 | Son | Helper | Illinois |
| 7 | Ellen Joyce | 22 | Daughter | Operator | Illinois |
| 8 | William J Alters | 31 | Head | Paper Cutter | Illinois |
| 9 | Ella Alters | 32 | Wife | — | Illinois |
| 10 | Virginia Alters | 9 | Daughter | — | Illinois |
| 11 | Edward Mchugh | 45 | Head | Bricklayer | Illinois |
| 12 | Marie Mchugh | 40 | Wife | — | Illinois |
| 13 | Edward Mchugh | 20 | Son | — | Illinois |
| 14 | Marion Mchugh | 18 | Daughter | — | Illinois |
| 15 | Thomas Mchugh | 12 | Son | — | Illinois |
| 16 | George Mchugh | 15 | Son | — | Illinois |
| 17 | John Mchugh THIS PERSON | 12 | Son | — | Illinois |
| 18 | Virginia Mchugh | 10 | Daughter | — | Illinois |
| 19 | Dolores Mchugh | 6 | Daughter | — | Illinois |
| 20 | Frank Lindquist | 64 | Head | — | Sweden |
| 21 | Caroline Lindquist | 57 | Wife | — | Sweden |
| 22 | Evelyn Lindquist | 29 | Daughter | Stenographer | Illinois |
| 23 | Philip Lindquist | 26 | Son | Buyer | Illinois |
| 24 | Edith Lindquist | 25 | Daughter | Stenographer | Illinois |
| 25 | Louise Lindquist | 22 | Daughter | Stenographer | Illinois |
| 26 | William Brennan | 73 | Head | — | Illinois |
| 27 | Hattie Brennan | 71 | Wife | — | Illinois |
| 28 | Katherine Gilmore | 42 | Daughter | Stenographer | Illinois |
| 29 | Ruth Gilmore | 17 | Daughter | — | Illinois |
| 30 | Lillie Cook | 69 | Sister | — | Illinois |
| 31 | Charles Mcgreery | 29 | Head | Final Tester | Illinois |
| 32 | Margaret Mcgreery | 25 | Wife | Bookkeeper | Illinois |
| 33 | Albert Forbrer | 29 | Head | Truck Driver | Michigan |
| 34 | Aurora Forbrer | 21 | Wife | — | Georgia |
| 35 | Richard Forbrer | 1 | Son | — | Illinois |
| 36 | Elmer Terrece | 37 | Head | Stock Man | Illinois |
| 37 | Mary Terrece | 43 | Wife | — | Illinois |
| 38 | Elmer Terrece | 5 | Son | — | Illinois |
| 39 | Earl H Mcgreery | 38 | Head | Pressman | Alabama |
| 40 | Mary L Mcgreery | 34 | Wife | — | Alabama |
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)