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Catherine Flynn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Catherine Flynn across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1902), then head of a 9-person household.
Age 38
b. ~1902
Female
Spouse
Born: Irish Free State
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Flynn |
| Given Name | Catherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | R 8 |
| 1935 Residence | Same place |
| Birthplace (normalized) | irish free state |
| Township / Ward | Chicago |
| Est. Birth Year | ~1902 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Catherine | Age | Birth yr |
|---|---|---|---|---|
| John Flynn | Son | — | 17 | ~1923 |
| Margaret Flynn | Daughter | — | 8 | ~1932 |
| Kathleen Flynn | Daughter | — | 5 | ~1935 |
| William Flynn | Son | — | 9 | ~1931 |
| Michael Flynn | Son | — | 10 | ~1930 |
| Joan Flynn | Daughter | — | 3 | ~1937 |
| John Flynn | Head | — | 46 | ~1894 |
| Catherine Flynn | Spouse | — | 38 | ~1902 |
| Mary Flynn | Daughter | — | 1 | ~1939 |
Census Appearances
1930
Cook, Illinois
Other, age 29
Cook, Illinois · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flynn |
| Given Name | Catherine |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| Naturalization Status | Naturalized |
| Year of Immigration | 1921 |
| Age at First Marriage | 25 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birthplace (normalized) | irish free state |
1940
Cook-County, Illinois
Spouse, age 38
Cook-County, Illinois · implied b. ~1902 — 9 household members
| Surname | Flynn |
| Given Name | Catherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Highest Grade | R 8 |
| 1935 Residence | Same place |
| Birthplace (normalized) | irish free state |
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 Catherine Flynn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Catherine Flynn
Spouse · 1940 · age 38 · b. ~1902 · Illinois
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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-t0627-00950-00787)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Martin Fertiger | 22 | Son | Shipping Clerk | Chicago, Ill |
| 42 | Mary Fertiger | 19 | Daughter | Floor Girl | Illinois |
| 43 | John Flynn | 46 | Head | Stock Keeper | Irish Free State |
| 44 | Catherine Flynn THIS PERSON | 38 | Wife | — | Irish Free State |
| 45 | John H. Flynn | 17 | Son | — | Illinois |
| 46 | Michael J. Flynn | 10 | Son | — | Illinois |
| 47 | William G. Flynn | 9 | Son | — | Illinois |
| 48 | Margaret M. Flynn | 8 | Daughter | — | Illinois |
| 49 | Kathleen J. Flynn | 5 | Daughter | — | Illinois |
| 50 | Joan J. Flynn | 3 | Daughter | — | Illinois |
| 51 | Mary Flynn | 1 | Daughter | — | Illinois |
| 52 | Richard Carroll | 36 | Head | Foreman | Illinois |
| 53 | Ethel Carroll | 37 | Wife | — | Illinois |
| 54 | Richard Carroll | 17 | Son | — | Illinois |
| 55 | La Verne Carroll | 9 | Daughter | — | Illinois |
| 56 | Robert Carroll | 7 | Son | — | Illinois |
| 57 | Marilyn Carroll | 3 | Daughter | — | Illinois |
| 58 | James Hopkins | 54 | Head | Laborer | England |
| 59 | Delia Hopkins | 52 | Wife | — | Irish Free State |
| 60 | Mary Hopkins | 29 | Daughter | Scaler | Illinois |
| 61 | James Hopkins | 23 | Son | Delivery Man | Illinois |
| 62 | Margaret Hopkins | 22 | Daughter | File Clerk | Illinois |
| 63 | William Younger | 67 | Head | — | Ohio |
| 64 | Minnie Younger | 64 | Wife | — | Ohio |
| 65 | Laverne Younger | 15 | Grand-daughter | — | Illinois |
| 66 | Marie Younger | 14 | Grand-daughter | — | Illinois |
| 67 | Murphy Chancey | 37 | Head | Stationary Engineer | Alabama |
| 68 | May Chancey | 30 | Wife | — | Mississippi |
| 69 | Imogene Chancey | 11 | Daughter | — | Florida |
| 70 | Lee Chancey | 9 | Son | — | Illinois |
| 71 | Patty Chancey | 7 | Daughter | — | Illinois |
| 72 | Herman Wolf | 44 | Head | Rural Electrification | Germany |
| 73 | Barbara Wolf | 41 | Wife | — | Illinois |
| 74 | George Wolf | 22 | Son | Ground-Man | Illinois |
| 75 | Wilbur Wolf | 20 | Son | Shipping Clerk | Illinois |
| 76 | John Wolf | 15 | Son | — | Illinois |
| 77 | Vapia Toribio | 42 | Head | Chipper | Mexico |
| 78 | Maria Toribio | 29 | Wife | — | Mexico |
| 79 | Estella Toribio | 7 | Daughter | — | Wisconsin |
| 80 | Carmen Toribio | 6 | Daughter | — | 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)