MD
Mary Donahue — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cowlitz-County, Washington
Our Model Tree links this Mary Donahue across the 1930 and 1940 US Censuses in Cowlitz-County, Washington (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 11-person household.
Age 50
b. ~1890
Female
Spouse
Born: North Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cowlitz-County, Washington |
| Surname | Donahue |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | Longview City |
| 1935 Residence (County) | Cowlitz |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Furniture Store |
| Class of Worker | NP |
| Hours Worked | 42 |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same Place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | Bookkeeper |
| Township / Ward | Longview City |
| Est. Birth Year | ~1890 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| G Donahue | Daughter | — | 18 | ~1922 |
| Margaret Donahue | Daughter | — | 13 | ~1927 |
| Anita Donahue | Daughter | — | 5 | ~1935 |
| Ella Donahue | Daughter | — | 14 | ~1926 |
| John Donahue | Head | — | 49 | ~1891 |
| Jennie Reardon | Other | — | 84 | ~1856 |
| John Donahue | Son | — | 12 | ~1928 |
| Francis Donahue | Son | — | 16 | ~1924 |
| Patrick Donahue | Son | — | 20 | ~1920 |
| Bernard Donahue | Son | — | 10 | ~1930 |
| Mary Donahue | Spouse | — | 50 | ~1890 |
Census Appearances
1930
Cowlitz, Washington
Spouse, age 40
Cowlitz, Washington · implied b. ~1890 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Age | 40 |
| Marital Status | Married |
| Birthplace | North Dakota |
| Age at First Marriage | 28 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Cowlitz-County, Washington
Spouse, age 50
Cowlitz-County, Washington · implied b. ~1890 — 11 household members
| Surname | Donahue |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | Longview City |
| 1935 Residence (County) | Cowlitz |
| Occupation | Bookkeeper |
| Industry | Furniture Store |
| Class of Worker | NP |
| Hours Worked | 42 |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same Place |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
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 Donahue across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Donahue
Spouse · 1940 · age 50 · b. ~1890 · Washington
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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 — Cowlitz-County, Washington
Open full size
1940 US Federal Census — Cowlitz-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04336-00703)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Melvin French | 28 | Head | Crane-Man | Iowa |
| 2 | Bernice French | 21 | Wife | — | Washington |
| 3 | Frank P. Jenkins | 42 | Head | Repair-Man | Maryland |
| 4 | Louise D. Jenkins | 41 | Wife | — | Washington |
| 5 | Frank P. Jr. Jenkins | 18 | Son | — | Washington |
| 6 | James E. Jenkins | 16 | Son | — | Washington |
| 7 | Emily J. Jenkins | 13 | Daughter | — | Washington |
| 8 | Live Johnson | 81 | Mother-in-law | — | Norway |
| 9 | Harry J. Hansen | 41 | Head | Mill-Wright | New York |
| 10 | Grace Hansen | 39 | Wife | — | South Dakota |
| 11 | Jessie L. Ab. Hansen | 19 | Daughter | Office Work | Canada-English |
| 12 | M. Jeanne Hansen | 17 | Daughter | — | Canada-English |
| 13 | Louis R. Hansen | 15 | Son | Newsboy | Washington |
| 14 | Fred O. Graham | 47 | Head | Office Work | Canada-English |
| 15 | Edna D. Graham | 54 | Wife | — | Canada-English |
| 16 | Fred H. Graham | 17 | Son | — | Canada-English |
| 17 | Burl H. Nunnelee | 33 | Head | Plane Use Of Lumber-Factory | Oklahoma |
| 18 | Madge Nunnelee | 32 | Wife | — | Oklahoma |
| 19 | Burl H. Jr. Nunnelee | 6 | Son | — | Washington |
| 20 | Gerald F. Nunnelee | 4 | Son | — | Washington |
| 21 | Sara M. Hill | 79 | Head | — | Illinois |
| 22 | Verna Hegge | 51 | Head | County Clerk | Minnesota |
| 23 | Delores Hegge | 24 | Daughter | Surgical Nurse | North Dakota |
| 24 | John Donahue | 49 | Head | Furniture Dealer | Minnesota |
| 25 | Mary E. Donahue THIS PERSON | 50 | Wife | Bookkeeper | North Dakota |
| 26 | Patrick D. Donahue | 20 | Son | Laborer | Canada-English |
| 27 | G. Gertrude Donahue | 18 | Daughter | New Worker | Canada-English |
| 28 | Francis J. Donahue | 16 | Son | — | Canada-English |
| 29 | Ella M. Donahue | 14 | Daughter | — | Canada-English |
| 30 | Margaret A. Donahue | 13 | Daughter | — | Washington |
| 31 | John L. Donahue | 12 | Son | — | Washington |
| 32 | Bernard J. Donahue | 10 | Son | — | Washington |
| 33 | Anita O. Donahue | 5 | Daughter | — | Washington |
| 34 | Jennie Reardon | 84 | Mother-in-law | — | New York |
| 35 | John B. Shannon | 25 | Head | Electrician-App. | Washington |
| 36 | Elsie Shannon | 31 | Wife | — | Washington |
| 37 | Calvin D. Winnie | 43 | Head | Office Manager | New York |
| 38 | Mabel Winnie | 32 | Wife | — | Kansas |
| 39 | James Detchmendy | 14 | Step-son | News Carrier | Missouri |
| 40 | C. Joan Detchmendy | 13 | Step Daughter | — | Missouri |
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)