MF
Mary Flanagan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Flanagan across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 2-person household.
Age 74
b. ~1866
Female
Head
Born: Ireland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Flanagan |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Maywood village |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Maywood Village |
| Est. Birth Year | ~1866 |
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 Flanagan | Head | — | 74 | ~1866 |
| Mary Flanagan | Daughter | — | 28 | ~1912 |
Census Appearances
1920
Cook, Illinois
Spouse, age 50
Cook, Illinois · implied b. ~1870 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flanagan |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1888 |
| 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 |
| Birthplace (normalized) | ireland |
1930
Cook, Illinois
Other, age 62
Cook, Illinois · implied b. ~1868 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flanigan |
| Given Name | Margaret |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1891 |
| 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
Head, age 74
Cook-County, Illinois · implied b. ~1866 — 2 household members
| Surname | Flanagan |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Maywood village |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| 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 Flanagan 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 Flanagan
Head · 1940 · age 74 · b. ~1866 · 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-t0627-00787-00786)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rosemary Pleasner | 2 | Daughter | — | Illinois |
| 2 | Harry Dreis | 59 | Head | Credit Manager | Indiana |
| 3 | Clara Dreis | 51 | Wife | — | Wisconsin |
| 4 | Emil J. Buehler | 42 | Head | Accountant | Illinois |
| 5 | Marjorie Buehler | 42 | Wife | — | Illinois |
| 6 | Paul Buehler | 16 | Son | — | Illinois |
| 7 | Marjorie M. Buehler | 14 | Daughter | — | Illinois |
| 8 | Walter Myers | 45 | Head | Commercial Art | Illinois |
| 9 | Freida Myers | 45 | Wife | — | Germany |
| 10 | Lona Myers | 22 | Daughter | Stenographer | Illinois |
| 11 | Fred Dean | 42 | Head | Electrician | Illinois |
| 12 | Hillma Dean | 28 | Wife | — | Wisconsin |
| 13 | Margaret Dean | 20 | Daughter | Secretary | Illinois |
| 14 | Harriett Dean | 18 | Daughter | General Office | Illinois |
| 15 | Barbara Dean | 7 | Daughter | — | Illinois |
| 16 | Lois Dean | 3 | Daughter | — | Illinois |
| 17 | Mary Flanagan THIS PERSON | 74 | Head | — | Ireland |
| 18 | Mary C. Flanagan | 28 | Daughter | Clerk | Illinois |
| 19 | Joseph B. Collins | 44 | Head | Operator | Mississippi |
| 20 | Violet Collins | 41 | Wife | — | Illinois |
| 21 | Doris Collins | 19 | Daughter | Order Filler | Illinois |
| 22 | William Etnyre | 46 | Head | Conductor | Illinois |
| 23 | Marie Etnyre | 39 | Wife | — | Missouri |
| 24 | Barbara Etnyre | 11 | Daughter | — | Missouri |
| 25 | William Etnyre | 9 | Son | — | Missouri |
| 26 | Thomas Etnyre | 1 | Son | — | Kansas |
| 27 | John Grundy | 29 | Head | Electrician | Illinois |
| 28 | Dorothy Grundy | 29 | Wife | — | Illinois |
| 29 | Judy Grundy | 2 | Daughter | — | Illinois |
| 30 | Arthur T. Dalton | 41 | Head | Office Manager | Illinois |
| 31 | Mae C. Dalton | 39 | Wife | — | Illinois |
| 32 | Arthur T. Jr. Dalton | 16 | Son | — | Illinois |
| 33 | Raymond H. Dalton | 14 | Son | — | Illinois |
| 34 | Patricia A. Dalton | 10 | Daughter | — | Illinois |
| 35 | Elizabeth Pierson | 75 | Mother | — | England |
| 36 | William Minteer | 44 | Head | Office Clerk | Missouri |
| 37 | Doris Minteer | 43 | Wife | — | Iowa |
| 38 | William B. Minteer | 14 | Son | — | Illinois |
| 39 | John Minteer | 12 | Son | — | Illinois |
| 40 | James A. Tench | 35 | Head | Binder | 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)