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Margaret Berry — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Margaret Berry across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 8-person household.
Age 16
b. ~1924
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Berry |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1924 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Berry | Daughter | — | 11 | ~1929 |
| Morris Berry | Son | — | 22 | ~1918 |
| Gerald Berry | Son | — | 7 | ~1933 |
| Hannah Berry | Spouse | — | 52 | ~1888 |
| Thomas Berry | Son | — | 19 | ~1921 |
| James Berry | Son | — | 15 | ~1925 |
| Michael Berry | Head | — | 54 | ~1886 |
| Margaret Berry | Daughter | — | 16 | ~1924 |
Census Appearances
1930
Cook, Illinois
Daughter, age 6
Cook, Illinois · implied b. ~1924 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barry |
| Given Name | Margaret R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 16
Cook-County, Illinois · implied b. ~1924 — 8 household members
| Surname | Berry |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Class of Worker | 0 |
| 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 Margaret Berry across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Berry
Daughter · 1940 · age 16 · b. ~1924 · Illinois
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Sibling
Morris Berry
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Berry
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Berry
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Berry
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Berry
Sibling · 1940 · age 11
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-t0627-00957-00823)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles A Hafner | 54 | Head | Commission | Illinois |
| 2 | Elsie Hafner | 50 | Wife | — | Illinois |
| 3 | Emma Sager | 80 | Mother-in-law | — | Illinois |
| 4 | William Nellprell | 70 | Head | — | Illinois |
| 5 | Bernard Nellprell | 35 | Son | Postal Clerk | Illinois |
| 6 | Mary Nellprell | 28 | Daughter | Clerk | Illinois |
| 7 | David Di Nicosia | 37 | Head | Commercial Art | Italy |
| 8 | Antoinette Di Nicosia | 36 | Wife | — | Italy |
| 9 | Helen Di Nicosia | 15 | Daughter | — | Illinois |
| 10 | Catherine Di Nicosia | 10 | Daughter | — | Illinois |
| 11 | Andrew Di Nicosia | 9 | Son | — | Illinois |
| 12 | Mary Mcmullen | 68 | Head | — | Illinois |
| 13 | Mabel Mcmullen | 37 | Daughter | Secretary | Illinois |
| 14 | Ethel Mcmullen | 33 | Daughter | — | Illinois |
| 15 | Eleanor Mcmullen | 32 | Daughter | Secretary | Illinois |
| 16 | John Mcmullen | 30 | Son | — | Illinois |
| 17 | Michael Berry | 54 | Head | Maintenance Man | Ireland |
| 18 | Hannah Berry | 52 | Wife | — | Ireland |
| 19 | Morris Berry | 22 | Son | Bus Tender | Illinois |
| 20 | Thomas Berry | 19 | Son | Stock Room Helper | Illinois |
| 21 | Margaret Berry THIS PERSON | 16 | Daughter | — | Illinois |
| 22 | James Berry | 15 | Son | — | Illinois |
| 23 | Dorothy Berry | 11 | Daughter | — | Illinois |
| 24 | Gerald Berry | 7 | Son | — | Illinois |
| 25 | James Miller | 27 | Head | Clerk | Illinois |
| 26 | Mae Miller | 27 | Wife | — | Illinois |
| 27 | James Miller | 5 | Son | — | Illinois |
| 28 | Eugene Miller | 1 | Son | — | Illinois |
| 29 | Nicholas Ehrmeyer | 67 | Head | Pensioned | Illinois |
| 30 | Bernadette Ehrmeyer | 30 | Daughter | Bookkeeper | Illinois |
| 31 | Walter Ehrmeyer | 34 | Son | Projectionist | Illinois |
| 32 | Gladys Ehrmeyer | 26 | Daughter | Architectural | Illinois |
| 33 | Bridget Costello | 55 | Head | Clerk | Ireland |
| 34 | James G Costello | 30 | Son | Clerk | Illinois |
| 35 | Rita Costello | 24 | Daughter | Stenographer | Illinois |
| 36 | Phillip Schmolze | 61 | Head | Switchman | Indiana |
| 37 | Frances Schmolze | 60 | Wife | — | Wisconsin |
| 38 | Helen Schultz | 60 | Head | — | Germany |
| 39 | Albert Schultz | 30 | Son | Mechanic | Illinois |
| 40 | Charleen Schultz | 28 | Daughter | Clerk | 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)