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Mary Donohue — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Mary Donohue across the 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 7-person household.
Age 15
b. ~1925
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Donohue |
| Given Name | Mary Carolyn |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Hours Worked | 6 |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1925 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Phyllis Donohue | Daughter | — | 20 | ~1920 |
| Mary Donohue | Daughter | — | 15 | ~1925 |
| Rosemary Donohue | Daughter | — | 15 | ~1925 |
| Maurine Donohue | Spouse | — | 51 | ~1889 |
| William Donohue | Head | — | 53 | ~1887 |
| William Donohue | Son | — | 21 | ~1919 |
| Patrick Donohue | Son | — | 18 | ~1922 |
Census Appearances
1930
Marion, Indiana
Daughter, age 5
Marion, Indiana · implied b. ~1925 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Daughter, age 15
Marion-County, Indiana · implied b. ~1925 — 7 household members
| Surname | Donohue |
| Given Name | Mary Carolyn |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Hours Worked | 6 |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Donohue across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Donohue
Daughter · 1940 · age 15 · b. ~1925 · Indiana
★ You are viewing this record
Sibling
William Donohue
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Donohue
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosemary Donohue
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phyllis Donohue
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-01131-00739)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Hilda Nowlin | 52 | Head | Stenographer | Indiana |
| 42 | Bruce Nowlin | 19 | Son | New Worker | Indiana |
| 43 | Frank Mikels | 58 | Head | Clerk | Indiana |
| 44 | Bessie Mikels | 56 | Wife | Clerk | Indiana |
| 45 | Paul Heckert | 39 | Head | City Salesman | Indiana |
| 46 | Bertha Heckert | 36 | Wife | — | Ohio |
| 47 | Richard Heckert | 8 | Son | — | Ohio |
| 48 | Clarence Means | 69 | Head | Lawyer | Indiana |
| 49 | Edna Means | 48 | Wife | — | Iowa |
| 50 | Florence Meligan | 65 | Lodger | — | Illinois |
| 51 | Louis Mazzini | 46 | Head | Serologist | Texas |
| 52 | Audelia Mazzini | 40 | Wife | — | Illinois |
| 53 | Charlotte Mazzini | 17 | Daughter | — | Minnesota |
| 54 | Anna Smith | 65 | Mother-in-law | — | Missouri |
| 55 | William Penick | 39 | Head | Proprietor | Indiana |
| 56 | Bertha Penick | 38 | Wife | — | Indiana |
| 57 | William Jr. Penick | 12 | Son | — | Indiana |
| 58 | Boyd Doldman | 56 | Head | Building Contractor | Indiana |
| 59 | Nell Doldman | 55 | Wife | Sales | Illinois |
| 60 | William M. Donohue | 53 | Head | Sales Representative | Indiana |
| 61 | Maurine Donohue | 51 | Wife | — | Indiana |
| 62 | William Jr. Donohue | 21 | Son | Traveling Salesman | Indiana |
| 63 | Phyllis Donohue | 20 | Daughter | — | Indiana |
| 64 | Patrick Donohue | 18 | Son | — | Indiana |
| 65 | Rosemary Donohue | 15 | Daughter | — | Indiana |
| 66 | Mary Carolyn Donohue THIS PERSON | 15 | Daughter | — | Indiana |
| 67 | Ben R. Turner | 34 | Head | Branch Manager | West Virginia |
| 68 | Constance Turner | 33 | Wife | — | Indiana |
| 69 | Judith Turner | 5 | Daughter | — | Indiana |
| 70 | Elizabeth Turner | 3 | Daughter | — | Indiana |
| 71 | Dorothy Pumley | 19 | Servant | Maid | Indiana |
| 72 | Rosamond Penn | 74 | Head | — | Missouri |
| 73 | John F. Spaunhurst | 73 | Brother | Osteopath | Missouri |
| 74 | Thomas C. Waddell | 40 | Head | Marketing Salesman | Indiana |
| 75 | Mildred Waddell | 40 | Wife | — | Indiana |
| 76 | Robert Waddell | 14 | Son | — | Indiana |
| 77 | John W. Wilson | 38 | Head | Traveling Salesman | Ohio |
| 78 | Marian Wilson | 36 | Wife | — | Indiana |
| 79 | Patricia Wilson | 7 | Daughter | — | Indiana |
| 80 | Helen Yourk | 18 | Servant | Maid | 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)