MO
Margaret Owens — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Margaret Owens across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Patrick & Minnie — first a spouse (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Owens |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1914 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Owens | Spouse | — | 26 | ~1914 |
| Thomas Owens | Head | — | 32 | ~1908 |
| Thomas Owens | Son | — | 3 | ~1937 |
Census Appearances
1920
Cook, Illinois
Daughter, age 6
Cook, Illinois · implied b. ~1914 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Owens |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 16
Cook, Illinois · implied b. ~1914 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Owens |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Clerk - Office |
| Industry | Mail Order |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Spouse, age 26
Cook-County, Illinois · implied b. ~1914 — 3 household members
| Surname | Owens |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Highest Grade | H 4 |
| 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 Owens across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Patrick Owens (~0.92 confidence) and mother Minnie Owens (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Patrick Owens
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Minnie Owens
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Owens
Spouse · 1940 · age 26 · b. ~1914 · 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-t0627-00958-00157)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Josephine Gleason | 16 | Daughter | — | Illinois |
| 42 | Eileen Gleason | 14 | Daughter | — | Illinois |
| 43 | Nellie O'Connell | 65 | Head | — | Eire |
| 44 | Marie O'Connell | 38 | Daughter | Typist | Illinois |
| 45 | Gertrude O'Connell | 32 | Daughter | Telephone Operator | Illinois |
| 46 | Thomas O'Connell | 30 | Son | Information Clerk | Illinois |
| 47 | Mrs. Helen Houlihan | 40 | Daughter | Typist | Illinois |
| 48 | Richard Houlihan | 12 | Grandson | — | Illinois |
| 49 | Mrs. Ada Collins | 44 | Head | — | England |
| 50 | John F. Collins | 28 | Son | Bookkeeper | Illinois |
| 51 | Robert J. Collins | 23 | Son | File Clerk | Illinois |
| 52 | Walter Collins | 21 | Son | Laborer | Illinois |
| 53 | Edward Kolofer | 54 | Head | Laborer | Illinois |
| 54 | Louise Kolofer | 51 | Wife | — | Illinois |
| 55 | Edward Kolofer | 26 | Son | Assistant Sales Engineer | Illinois |
| 56 | Leroy Kolofer | 26 | Son | Rodman | Illinois |
| 57 | James Gavin | 62 | Head | Officer | Eire |
| 58 | Catherine Gavin | 58 | Wife | — | Eire |
| 59 | James Jr. Gavin | 27 | Son | Usher | Illinois |
| 60 | Joseph Gavin | 24 | Son | Mimeograph Operator | Illinois |
| 61 | Theresa Gavin | 20 | Daughter | Stenographer | Illinois |
| 62 | James Collins | 35 | Head | Collector | Illinois |
| 63 | Veronica Collins | 28 | Wife | — | Illinois |
| 64 | James Collins | 4 | Son | — | Illinois |
| 65 | Patricia Collins | 1 | Daughter | — | Illinois |
| 66 | Mrs. Rose Mcfarland | 66 | Head | — | Eire |
| 67 | James Mcfarland | 42 | Son | Officer | Illinois |
| 68 | Patrick Kelly | 27 | Nephew | Laborer | Illinois |
| 69 | Thomas Owens | 32 | Head | Bailiff | Illinois |
| 70 | Margaret Owens THIS PERSON | 26 | Wife | — | Illinois |
| 71 | Thomas Owens | 3 | Son | — | Illinois |
| 72 | Frank O'Neil | 39 | Head | Recorder Clerk | Illinois |
| 73 | Winifred O'Neil | 40 | Wife | — | Illinois |
| 74 | Eileen O'Neil | 17 | Daughter | — | Illinois |
| 75 | William O'Neil | 14 | Son | — | Illinois |
| 76 | Robert O'Neil | 12 | Son | — | Illinois |
| 77 | John O'Neil | 8 | Son | — | Illinois |
| 78 | Margaret Mary O'Neil | 6 | Daughter | — | Illinois |
| 79 | Winifred O'Neil | 2 | Daughter | — | Illinois |
| 80 | Juno Anderson | 67 | Head | Motorman | Sweden |
Related Census Records
Pedigree Summary
Margaret
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)