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John Donahue — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Will-County, Illinois
Our Model Tree links this John Donahue across the 1920, 1930 and 1940 US Censuses in Will-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 4-person household.
Age 62
b. ~1878
Male
Head
Born: Connecticut
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Will-County, Illinois |
| Surname | Donahue |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Connecticut |
| 1935 Residence (City) | Joliet Twp. |
| 1935 Residence (County) | Will |
| Additional Details | |
| Occupation | Salesman |
| Industry | Paper Co |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 271 |
| Highest Grade | G 6 |
| 1935 Residence | Same place |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
| Occupation | Salesman |
| Township / Ward | Joliet Twp |
| Est. Birth Year | ~1878 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Donahue | Head | — | 62 | ~1878 |
| Mary Donahue | Other | — | 29 | ~1911 |
| John Donahue | Son | — | 21 | ~1919 |
| Anne Donahue | Spouse | — | 63 | ~1877 |
Census Appearances
1920
Livingston, Illinois
Head, age 41
Livingston, Illinois · implied b. ~1879 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Connecticut |
| Father's Birthplace | England |
| Mother's Birthplace | Connecticut |
| Occupation | Salesman |
| Industry | Yeast Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1930
Will, Illinois
Head, age 51
Will, Illinois · implied b. ~1879 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Connecticut |
| Age at First Marriage | 29 |
| Father's Birthplace | England |
| Mother's Birthplace | Connecticut |
| Occupation | Salesman |
| Industry | Electric Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 60 |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1940
Will-County, Illinois
Head, age 62
Will-County, Illinois · implied b. ~1878 — 4 household members
| Surname | Donahue |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Connecticut |
| 1935 Residence (City) | Joliet Twp. |
| 1935 Residence (County) | Will |
| Occupation | Salesman |
| Industry | Paper Co |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 271 |
| Highest Grade | G 6 |
| 1935 Residence | Same place |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
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 John Donahue across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
John Donahue
Head · 1940 · age 62 · b. ~1878 · 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 — Will-County, Illinois
Open full size
1940 US Federal Census — Will-County, Illinois
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00909-00107)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert Blum | 36 | Head | Truck Driver | Illinois |
| 42 | Eleanor Blum | 31 | Wife | — | Illinois |
| 43 | Robert C. Blum | 10 | Son | — | Illinois |
| 44 | Dale Blum | 4 | Son | — | Illinois |
| 45 | Donna Blum | 1 | Dau | — | Illinois |
| 46 | James Lugan | 31 | Head | Laborer | Illinois |
| 47 | Veronica Lugan | 25 | Wife | — | Illinois |
| 48 | Rosemary Lugan | 8 | Dau | — | Illinois |
| 49 | James Jr. Lugan | 5 | Son | — | Illinois |
| 50 | Ervin Alvin | 37 | Head | Carpenter | Illinois |
| 51 | Vivien Alvin | 33 | Wife | — | Illinois |
| 52 | Lois Jean Alvin | 12 | Dau | — | Illinois |
| 53 | Gordon E. Alvin | 11 | Son | — | Illinois |
| 54 | Lawrence Alvin | 9 | Son | — | Illinois |
| 55 | William Alvin | 7 | Son | — | Illinois |
| 56 | Janice Alvin | 6 | Dau | — | Illinois |
| 57 | Frank Shiflet | 36 | Lodger | Barber | Illinois |
| 58 | Alice Shiflet | 35 | Lodger | Housekeeper | Illinois |
| 60 | Frances Hurd | 18 | Head | — | Illinois |
| 61 | Bertha Hurd | 59 | Dau | Teacher | Illinois |
| 62 | Clarence Hurd | 52 | Son | Salesman | Illinois |
| 63 | Florence Cornish | 62 | Dau | — | Illinois |
| 64 | Harry Wheeler | 52 | Head | General Agent | Illinois |
| 65 | Jessie Wheeler | 48 | Wife | — | Illinois |
| 66 | John Donahue THIS PERSON | 62 | Head | Salesman | Connecticut |
| 67 | Anne Donahue | 63 | Wife | — | Illinois |
| 68 | Mary Donahue | 29 | Dau | Dressmaker | Illinois |
| 69 | John W. Donahue | 21 | Son | Cook | Illinois |
| 71 | Raymond Johnson | 36 | Head | Salesman | Illinois |
| 72 | Genevieve Johnson | 29 | Wife | — | Iowa |
| 73 | Raymond Jr. Johnson | 4 | Son | — | Illinois |
| 74 | Patricia Lee Johnson | 2 | Dau | — | Illinois |
| 75 | Howard Mow | 24 | Head | Mechanic | Illinois |
| 76 | Lillian Mow | 23 | Wife | — | Illinois |
| 77 | Howard Jr. Mow | 2 | Son | — | Illinois |
| 78 | Ronald Mow | 0 | Son | — | Illinois |
| 79 | John Hodges | 53 | Head | Boiler Maker | Illinois |
| 80 | Goldie Hodges | 50 | Wife | — | 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)