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Mary Mchugh — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Mchugh across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1870), then head of a 5-person household.
Age 70
b. ~1870
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | McHugh |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Chicago |
| Est. Birth Year | ~1870 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mchugh | Spouse | — | 70 | ~1870 |
| Pat Mchugh | Head | — | 58 | ~1882 |
| Wm Jones | Other | — | 28 | ~1912 |
| Elizabeth Jones | Daughter | — | 28 | ~1912 |
| Carlene Jones | Daughter | — | 4 | ~1936 |
Census Appearances
1920
Cook, Illinois
Spouse, age 48
Cook, Illinois · implied b. ~1872 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McHugh |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1884 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1887 |
| Birthplace (normalized) | ireland |
1930
Cook, Illinois
Spouse, age 60
Cook, Illinois · implied b. ~1870 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McHugh |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Alien |
| Year of Immigration | 1922 |
| Age at First Marriage | 25 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Cook-County, Illinois
Spouse, age 70
Cook-County, Illinois · implied b. ~1870 — 5 household members
| Surname | McHugh |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Mary Mchugh across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Mchugh
Spouse · 1940 · age 70 · b. ~1870 · Illinois
★ You are viewing this record
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-t0627-00953-00717)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alfred H Frank | 28 | Head | Landscape Gard | Illinois |
| 2 | Edna R Frank | 26 | Wife | Service Clerk | Illinois |
| 3 | Riley Huston | 52 | Head | Clerk | Illinois |
| 4 | Mabel Huston | 49 | Wife | — | Illinois |
| 5 | Riley Jr Huston | 20 | Son | New Worker | Illinois |
| 6 | Edw Harder | 60 | Head | — | Illinois |
| 7 | Anna Harder | 47 | Wife | — | Illinois |
| 8 | Warren Harder | 19 | Son | — | Illinois |
| 9 | Mary Vornack | 18 | Maid | Servant | Austria |
| 10 | Morris Roth | 46 | Head | Housework | Illinois |
| 11 | Florence Roth | 21 | Daughter | Stenographer | Illinois |
| 12 | Jacob Vandervalk | 72 | Head | — | Holland |
| 13 | Klena Vandervalk | 71 | Wife | — | Holland |
| 14 | Cornelius Schuringa | 24 | Lodger | Teacher | Michigan |
| 15 | Benjamin Lampers | 27 | Lodger | Teacher | Illinois |
| 16 | Pat Mchugh | 58 | Head | Watchman | Ireland |
| 17 | Mary Mchugh THIS PERSON | 70 | Wife | — | Ireland |
| 18 | Wm Jones | 28 | Son-in-law | Machine Operator | Connecticut |
| 19 | Elizabeth Jones | 28 | Daughter | — | Illinois |
| 20 | Carlene Jones | 4 | Daughter | — | Illinois |
| 21 | Edward Ritterlin | 37 | Head | Roofer | Illinois |
| 22 | Mary Ritterlin | 38 | Wife | — | Illinois |
| 23 | Shirley Ritterlin | 14 | Daughter | — | Illinois |
| 24 | Robert Ritterlin | 5 | Son | — | Illinois |
| 25 | James J Sperry | 39 | Head | Mail Carrier | Illinois |
| 26 | Margaret Sperry | 34 | Wife | — | Illinois |
| 27 | Eugene Sperry | 11 | Son | — | Illinois |
| 28 | Delores Sperry | 9 | Ward | — | Illinois |
| 29 | Leona Hartless | 56 | Lodger | Practical Nurse | Michigan |
| 30 | Frank Krueger | 63 | Head | Salesman | Germany |
| 31 | Adeline Krueger | 63 | Wife | — | Germany |
| 32 | Beatrice Rott | 34 | Daughter | Saleslady | Illinois |
| 33 | Geo Rott | 8 | Grandson | — | Illinois |
| 34 | Geo Bankhard | 53 | Head | Dispatcher | Illinois |
| 35 | Anna Bankhard | 50 | Wife | — | Illinois |
| 36 | Mildred Bankhard | 22 | Daughter | Receptionist | Illinois |
| 37 | Earl Fuller | 23 | Head | Draftsman | Illinois |
| 38 | Ester Fuller | 22 | Wife | — | Illinois |
| 39 | Barbara Jean Fuller | 0 | Daughter | — | Illinois |
| 40 | Error | None | — | — | — |
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)