JD
John Donnelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this John Donnelly across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 5-person household.
Age 60
b. ~1880
Male
Head
Born: Canada
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Donnelly |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Canada |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Naturalization Status | Naturalized |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Same Place |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1880 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Margaret Donnelly | Daughter | — | 31 | ~1909 |
| John Donnelly | Head | — | 60 | ~1880 |
| Joseph Donnelly | Son | — | 24 | ~1916 |
| John Donnelly | Son | — | 28 | ~1912 |
| Nora Donnelly | Spouse | — | 58 | ~1882 |
Census Appearances
1920
Marion, Indiana
Head, age 40
Marion, Indiana · implied b. ~1880 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donnelly |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Canada |
| Year of Immigration | 1900 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Occupation | Grocery Clerk |
| Industry | Grocery Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Canada |
| Year of Naturalization | 1906 |
| Birthplace (normalized) | canada |
1930
Marion, Indiana
Head, age 50
Marion, Indiana · implied b. ~1880 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donnelly |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Canada |
| Naturalization Status | Naturalized |
| Year of Immigration | 1900 |
| Age at First Marriage | 22 |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Canada English |
| Occupation | Salesman |
| Industry | Grocery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 50 |
| Radio Set | R |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
1940
Marion-County, Indiana
Head, age 60
Marion-County, Indiana · implied b. ~1880 — 5 household members
| Surname | Donnelly |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Canada |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Naturalization Status | Naturalized |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Same Place |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
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 Donnelly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Donnelly
Head · 1940 · age 60 · b. ~1880 · Indiana
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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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01124-00907)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert T. Murphy | 48 | Brother-in-law | — | Missouri |
| 2 | Benjamin A. Richard | 60 | Head | Dentist | Indiana |
| 3 | Susan D. Richard | 39 | Wife | — | Ohio |
| 4 | Keetl Adams | 22 | Head | Fruit Inspector | Indiana |
| 5 | Doris D. Adams | 20 | Wife | Beauty Operator | Indiana |
| 6 | Clifford Earl Cox | 51 | Head | Doctor | Indiana |
| 7 | Helen D. Cox | 47 | Wife | — | Indiana |
| 8 | Henry D. Hamilton | 80 | Head | — | Illinois |
| 9 | Mary C. Hamilton | 70 | Wife | — | Indiana |
| 10 | Margaret J. Voyle | 58 | Head | — | New York |
| 11 | Robert John Voyle | 29 | Son | Clerical Work | Indiana |
| 12 | John Voyle | 25 | Son | Salesman | Indiana |
| 13 | Mary Frances Voyle | 27 | Daughter | Clerical Work | Indiana |
| 14 | Marjorie Voyle | 21 | Daughter | Typist | Indiana |
| 15 | Charles Friedrich | 50 | Head | Accountant | Kansas |
| 16 | Mildred R. Friedrich | 50 | Wife | — | Indiana |
| 17 | Charles H. Friedrich | 23 | Son | — | Missouri |
| 18 | Thelma Thompson | 41 | Head | Bookkeeper | Indiana |
| 19 | Lotta Bellman | 52 | Partner | Shipping Clerk | Indiana |
| 20 | Ruth C. Eberhardt | 36 | Partner | Filing Clerk | Indiana |
| 21 | John Donnelly THIS PERSON | 60 | Head | — | Canada |
| 22 | Nora Donnelly | 58 | Wife | Assistant Librarian | Indiana |
| 23 | Margaret Donnelly | 31 | Daughter | Bookkeeper | Indiana |
| 24 | John Donnelly | 28 | Son | Bookkeeper | Ohio |
| 25 | Joseph L. Donnelly | 24 | Son | — | Canada |
| 26 | Joseph O. Hoffmann | 50 | Head | Attorney | Indiana |
| 27 | Estelle H. Hoffmann | 49 | Wife | Filing Clerk | Missouri |
| 28 | Joseph O. Jr. Hoffmann | 24 | Son | Filing Clerk | Indiana |
| 29 | George W. Hoffmann | 23 | Son | — | Indiana |
| 30 | Robert J. Hoffmann | 21 | Son | — | Indiana |
| 31 | Louise F. Hoffmann | 19 | Daughter | — | Indiana |
| 32 | Kathleen M. Hoffmann | 17 | Daughter | — | Indiana |
| 33 | Mary F. Hoffmann | 14 | Daughter | — | Indiana |
| 34 | Helen A. Hoffmann | 9 | Daughter | — | Indiana |
| 35 | Stella Lee Hoffmann | 77 | Mother | — | Indiana |
| 36 | Robert E. Riley | 40 | Head | Inspector | Indiana |
| 37 | Ralph Reed | 30 | Partner | Salesman | Illinois |
| 38 | Olive R. Jones | 57 | Head | — | Wisconsin |
| 39 | Thomas J. Hendrickson | 37 | Head | Assistant Purchasing Agent | Indiana |
| 40 | Wanda M. Hendrickson | 37 | Wife | — | Indiana |
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)