MO
Mary Owens — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Owens across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents William & William — first a daughter (b.~1893), then head of a 2-person household.
Age 47
b. ~1893
Female
Daughter
Born: England
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Owens |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Single |
| Birthplace | England |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | teacher |
| Industry | public school |
| Class of Worker | GW |
| Hours Worked | 25 |
| Income (1939) | 34 |
| Highest Grade | C-3 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Teacher |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1893 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Owens | Daughter | — | 47 | ~1893 |
| Mary Owens | Head | — | 72 | ~1868 |
Census Appearances
1920
Cook, Illinois
Daughter, age 28
Cook, Illinois · implied b. ~1892 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Owens |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | England |
| Year of Immigration | 1893 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1930
Cook, Illinois
Daughter, age 40
Cook, Illinois · implied b. ~1890 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Owens |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1895 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Cook-County, Illinois
Daughter, age 47
Cook-County, Illinois · implied b. ~1893 — 2 household members
| Surname | Owens |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Single |
| Birthplace | England |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | teacher |
| Industry | public school |
| Class of Worker | GW |
| Hours Worked | 25 |
| Income (1939) | 34 |
| Highest Grade | C-3 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Owens across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Owens (~0.92 confidence) and father William Owens (~0.92 confidence) and mother Mary Owens (~0.92 confidence) and mother Mary Owens (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Owens
b. ~1860
Source father
● Household
· direct · ~0.92
Father
William Owens
b. ~1860
Source father
● Household
· direct · ~0.92
Mother
Mary Owens
b. ~1862
Source mother
● Household
· direct · ~0.92
Mother
Mary Owens
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Owens
Daughter · 1940 · age 47 · b. ~1893 · 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
32 people indexed on this census page (nara:1940:m-t0627-00960-00064)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Martin H. Holm | 54 | Head | None | Illinois |
| 2 | La Verne Holm | 51 | Wife | — | Illinois |
| 3 | Margaret Harris | 65 | Maid | Maid | England |
| 4 | Harry F. Harlow | 55 | Head | Pass. Agent | Illinois |
| 5 | Edith O. Harlow | 51 | Wife | — | Ohio |
| 6 | Harry Jr. Harlow | 24 | Son | Advertiser | Ohio |
| 7 | Carol Harlow | 23 | Daughter | None | Illinois |
| 10 | J. Vernon Carne | 37 | Head | Office Clerk | Illinois |
| 11 | Ruth F. Carne | 36 | Wife | Office Clerk | Illinois |
| 12 | Donald F. Carne | 9 | Son | — | Illinois |
| 13 | Frank Freeman | 65 | Father-in-law | None | Illinois |
| 14 | Addy S. Freeman | 64 | Mother-in-law | None | Illinois |
| 16 | Elmer L. Telford | 45 | Head | Credit Manager | Illinois |
| 17 | Florence W. Telford | 45 | Wife | — | Illinois |
| 19 | Russell Miller | 43 | Head | Press-Man | Illinois |
| 20 | Adeline Miller | 39 | Wife | — | Illinois |
| 21 | Russell Miller | 19 | Son | Salesman | Illinois |
| 22 | Donald Miller | 9 | Son | — | Illinois |
| 24 | Murray D. Hetherington | 48 | Head | Architect | Illinois |
| 25 | Mildred Hetherington | 48 | Wife | Artist | New York |
| 26 | Jack Hetherington | 13 | Son | — | Illinois |
| 27 | Mary Hetherington | 10 | Daughter | — | Illinois |
| 28 | Laura Schuttler | 49 | Maid | Maid | England |
| 30 | Fred Lewis Faulkner | 46 | Head | Auto Engineer | Missouri |
| 31 | Violet B. Faulkner | 39 | Wife | — | Missouri |
| 32 | Fred L. Jr. Faulkner | 14 | Son | Model | Illinois |
| 33 | Marilyn Faulkner | 12 | Daughter | — | Illinois |
| 34 | Joyce Faulkner | 7 | Daughter | — | Illinois |
| 36 | Mary B. Owens | 72 | Head | — | England |
| 37 | Mary Owens THIS PERSON | 47 | Daughter | Teacher | England |
| 39 | Earl S. Morris | 59 | Head | Salesman | Illinois |
| 40 | Marie Morris | 57 | Wife | — | Mass. |
Pedigree Summary
Mary
Gen 1 · 4 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)