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Mary Foley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jo-Daviess-County, Illinois
Our Model Tree links this Mary Foley across the 1920, 1930 and 1940 US Censuses in Jo-Daviess-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1865), then head of a 2-person household.
Age 75
b. ~1865
Female
Head
Born: Illinois
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Jo-Daviess-County, Illinois |
| Surname | Foley |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 75 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Galena City |
| 1935 Residence (County) | Jo Daviess |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Galena City |
| Est. Birth Year | ~1865 |
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 |
|---|---|---|---|---|
| Anna Foley | Daughter | — | 49 | ~1891 |
| Mary Foley | Head | — | 75 | ~1865 |
Census Appearances
1920
Jo Daviess, …
Head, age 56
Jo Daviess, Illinois · implied b. ~1864 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foley |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Switzerland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Jo Daviess, …
Head, age 67
Jo Daviess, Illinois · implied b. ~1863 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foley |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| Age at First Marriage | 27 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 700 |
| Radio Set | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Jo-Daviess-County, Illinois
Head, age 75
Jo-Daviess-County, Illinois · implied b. ~1865 — 2 household members
| Surname | Foley |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 75 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Galena City |
| 1935 Residence (County) | Jo Daviess |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Mary Foley 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 Foley
Head · 1940 · age 75 · b. ~1865 · 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 — Jo-Daviess-County, Illinois
Open full size
1940 US Federal Census — Jo-Daviess-County, Illinois
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00817-00516)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Daniel Noser | 4 | Son | — | Illinois |
| 42 | Henry R. Conoughy | 77 | Head | Rail Road Clerk | Illinois |
| 43 | Maude O. Conoughy | 62 | Wife | — | Illinois |
| 44 | Charles Greiner | 46 | Head | Common Labor | Iowa |
| 45 | Florence Greiner | 44 | Wife | — | Iowa |
| 46 | Roy Greiner | 22 | Son | Common Labor | Illinois |
| 47 | Walter Wienen | 37 | Head | Manager | Illinois |
| 48 | Marie Wienen | 33 | Wife | — | Illinois |
| 49 | Ann E. Wienen | 5 | Daughter | — | Illinois |
| 50 | James Conoughy | 79 | Head | Rail Road Watch Man | Illinois |
| 51 | Margaret L. Conoughy | 72 | Wife | — | Illinois |
| 52 | Delbert L. Houy | 32 | Head | Miner | Illinois |
| 53 | Erna Houy | 29 | Wife | — | Wisconsin |
| 55 | Charles Dinke | 38 | Head | Plaster | Illinois |
| 56 | Edna Dinke | 39 | Wife | — | Iowa |
| 57 | Robert Dinke | 13 | Son | — | Iowa |
| 58 | Margaret Dinke | 11 | Daughter | — | Iowa |
| 59 | Kenneth Dinke | 9 | Son | — | Iowa |
| 60 | Mary O'Neill | 86 | Head | — | Illinois |
| 61 | Helen O'Neill | 49 | Daughter | School Teacher | Illinois |
| 62 | Margaret O'Neill | 26 | Grand Daughter | Clerk | Illinois |
| 63 | George Bausman | 34 | Head | Manager Plant | Wisconsin |
| 64 | Margaret Bausman | 35 | Wife | — | Wisconsin |
| 65 | Marietta Bausman | 9 | Daughter | — | Wisconsin |
| 66 | Nancy B. Bausman | 4 | Daughter | — | Wisconsin |
| 68 | Peter Donnelly | 74 | Head | Agent | Illinois |
| 69 | Howard F. Donnelly | 43 | Son | Operator | Illinois |
| 70 | Mary Foley THIS PERSON | 75 | Head | — | Illinois |
| 71 | Anna Foley | 49 | Daughter | — | Illinois |
| 72 | Mary E. Symons | 41 | Head | Maid | Colorado |
| 73 | Alice M. Symons | 15 | Daughter | — | Wisconsin |
| 74 | Emmerson Houy | 35 | Head | Brakeman | Illinois |
| 75 | Mary Houy | 33 | Wife | — | Wisconsin |
| 76 | Russell Houy | 15 | Son | — | Illinois |
| 77 | Leona Houy | 14 | Daughter | — | Illinois |
| 78 | Betty Houy | 13 | Daughter | — | Wisconsin |
| 79 | Martin Luale | 39 | Head | Carpenter | Wisconsin |
| 80 | Zilphia Luale | 30 | Wife | — | Wisconsin |
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)