MD
Mary Donohue — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Napa-County, California
Our Model Tree links this Mary Donohue across the 1930 and 1940 US Censuses in Napa-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 13-person household.
Age 12
b. ~1928
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Napa-County, California |
| Surname | Donohue |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Napa Judicial Township |
| 1935 Residence (County) | Napa |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Same Place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Napa Judicial Township |
| Est. Birth Year | ~1928 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Donohue | Son | — | 23 | ~1917 |
| Edward Donohue | Son | — | 20 | ~1920 |
| Margaret Donohue | Daughter | — | 24 | ~1916 |
| Richard Donohue | Son | — | 6 | ~1934 |
| Mary Donohue | Daughter | — | 12 | ~1928 |
| Norman Pinch | Other | — | 18 | ~1922 |
| William Donohue | Son | — | 14 | ~1926 |
| Daniel Donohue | Son | — | 18 | ~1922 |
| Robert Donohue | Son | — | 22 | ~1918 |
| Thomas Donohue | Head | — | 56 | ~1884 |
| Nora Donohue | Daughter | — | 15 | ~1925 |
| Nora Donohue | Spouse | — | 51 | ~1889 |
| Josephine Donohue | Daughter | — | 10 | ~1930 |
Census Appearances
1930
Napa, California
Daughter, age 2
Napa, California · implied b. ~1928 — 49 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahoe |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Napa-County, California
Daughter, age 12
Napa-County, California · implied b. ~1928 — 13 household members
| Surname | Donohue |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Napa Judicial Township |
| 1935 Residence (County) | Napa |
| Highest Grade | 5 |
| 1935 Residence | Same Place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 12 · b. ~1928 · California
★ You are viewing this record
Sibling
Nora Donohue
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Donohue
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Donohue
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Donohue
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Donohue
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Donohue
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Donohue
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Donohue
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Donohue
Sibling · 1940 · age 10
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 — Napa-County, California
Open full size
1940 US Federal Census — Napa-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00269-00454)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Donald L Grant | 8 | Son | — | California |
| 2 | Herbert D Jr Grant | 5 | Son | — | California |
| 3 | Charles H Ponting | 58 | Head | Leading Man Laborer | Wyoming |
| 4 | Lilian M Ponting | 62 | Wife | — | California |
| 5 | Henry L Bivins | 49 | Head | Attendant | Illinois |
| 6 | Sarah J Bivins | 45 | Wife | Attendant | Illinois |
| 7 | Nannie E Stewart | 75 | Mother-in-law | — | Tennessee |
| 8 | Dorothy Campbell | 46 | Boarder | — | Minnesota |
| 9 | Mary H Myers | 55 | Head | — | Iowa |
| 10 | Thomas Donohue | 56 | Head | Landscape Gardener | Ireland |
| 11 | Nora Donohue | 51 | Wife | — | Ireland |
| 12 | Margaret M Donohue | 24 | Daughter | Stenographer | California |
| 13 | John J Donohue | 23 | Son | Structural Iron Worker | California |
| 14 | Robert E Donohue | 22 | Son | Truck Driver | California |
| 15 | Edward L Donohue | 20 | Son | Washer | California |
| 16 | Daniel V Donohue | 18 | Son | — | California |
| 17 | Nora C Donohue | 15 | Daughter | — | California |
| 18 | William J Donohue | 14 | Son | — | California |
| 19 | Mary A Donohue THIS PERSON | 12 | Daughter | — | California |
| 20 | Josephine K Donohue | 10 | Daughter | — | California |
| 21 | Richard C Donohue | 6 | Son | — | California |
| 22 | Norman Pinch | 18 | Boarder | Wringer Man | Canada E |
| 23 | John B Watson | 62 | Head | Attendant | Illinois |
| 24 | Goldie S Watson | 50 | Wife | Attendant | Illinois |
| 25 | Homer H Watson | 35 | Son | Partner | Illinois |
| 26 | Arthur W Batchelor | 50 | Head | Meter Reader | Illinois |
| 27 | Elizabeth L Batchelor | 46 | Wife | — | California |
| 28 | William V Batchelor | 19 | Son | Garage Farm Mechanic | California |
| 29 | William J Cunningham | 62 | Head | 1St Class Machinist | New York |
| 30 | Mamie Cunningham | 57 | Wife | — | California |
| 31 | Lorna Ann Mcintosh | 18 | Daughter | — | California |
| 32 | Edward C Reed | 48 | Head | Planner & Estimator | Tennessee |
| 33 | Iola M Reed | 43 | Wife | — | Kansas |
| 34 | Mary E Reed | 17 | Daughter | — | California |
| 35 | Edna A Reed | 11 | Daughter | — | California |
| 36 | E Cramer Reed | 8 | Son | — | California |
| 37 | Fred W Haas | 59 | Head | Farmer | Germany |
| 38 | Rose Haas | 72 | Wife | — | Wisconsin |
| 39 | John R Tyrrell | 72 | Head | — | England |
| 40 | Ann S. Young | 48 | Housekeeper | Housekeeper | Utah |
Related Census Records
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)