MD
Mary Donohue — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this Mary Donohue across the 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 10-person household.
Age 13
b. ~1927
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | Donohue |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis (City) |
| 1935 Residence (County) | St. Louis City |
| Additional Details | |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1927 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Donohue | Head | — | 39 | ~1901 |
| Joseph Donohue | Son | — | 5 | ~1935 |
| Donald Donohue | Son | — | 10 | ~1930 |
| Glennon Donohue | Son | — | ~1940 | |
| Barbara Donohue | Daughter | — | 6 | ~1934 |
| Mary Donohue | Daughter | — | 13 | ~1927 |
| Loretta Donohue | Daughter | — | 7 | ~1933 |
| John Donohue | Son | — | 15 | ~1925 |
| Ruth Donohue | Daughter | — | 2 | ~1938 |
| Cecilia Donohue | Spouse | — | 34 | ~1906 |
Census Appearances
1930
St Louis, …
Daughter, age 3
St Louis, Missouri · implied b. ~1927 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Daughter, age 13
St.-Louis-City-County, Missouri · implied b. ~1927 — 10 household members
| Surname | Donohue |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis (City) |
| 1935 Residence (County) | St. Louis City |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 13 · b. ~1927 · Missouri
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Sibling
Donald Donohue
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Donohue
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Glennon Donohue
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Donohue
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Donohue
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loretta Donohue
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Donohue
Sibling · 1940 · age 6
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 — St.-Louis-City-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-City-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02203-00664)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary O'Meara | 49 | wife | — | Ireland (Eire) |
| 2 | Edward T O'Meara | 18 | son | Shipping Clerk | Missouri |
| 3 | Mary M O'Meara | 16 | daughter | — | Missouri |
| 4 | Mary A Keating | 46 | head | Seamstress | Missouri |
| 5 | Margaret Keating | 35 | sister | Binder | Missouri |
| 6 | Glenn D Williams | 33 | head | Post Office Clerk | Missouri |
| 7 | Alice H Williams | 33 | wife | — | Missouri |
| 8 | Joan A Williams | 5 | daughter | — | Missouri |
| 9 | Claire L Williams | 2 | daughter | — | Missouri |
| 10 | Marcia L Williams | 1 | daughter | — | Missouri |
| 11 | Laura B Williams | 59 | mother | — | Ohio |
| 12 | John P Donohue | 39 | head | Factory Worker | Missouri |
| 13 | Cecilia M Donohue | 34 | wife | — | Missouri |
| 14 | John Donohue | 15 | son | — | Missouri |
| 15 | Mary Donohue THIS PERSON | 13 | daughter | — | Missouri |
| 16 | Donald Donohue | 10 | son | — | Missouri |
| 17 | Loretta Donohue | 7 | daughter | — | Missouri |
| 18 | Barbara Donohue | 6 | daughter | — | Missouri |
| 19 | Joseph Donohue | 5 | son | — | Missouri |
| 20 | Ruth Donohue | 2 | daughter | — | Missouri |
| 21 | Glennon Donohue | 0 | son | — | Missouri |
| 22 | Merlin K Tomford | 30 | head | Lithographer | Missouri |
| 23 | Melba Tomford | 25 | wife | — | Missouri |
| 24 | Marlene Tomford | 4 | daughter | — | Illinois |
| 25 | George R Fritsche | 56 | head | Police Sergeant | Illinois |
| 26 | Claudia Fritsche | 50 | wife | — | Illinois |
| 27 | George F Fritsche | 21 | son | Police Officer | Missouri |
| 28 | Grace Fritsche | 20 | daughter | Beauty Operator | Missouri |
| 29 | Walter L Gruenewald | 64 | head | Supply Clerk | Missouri |
| 30 | Emma Gruenewald | 61 | wife | — | Missouri |
| 31 | Walter Jr Gruenewald | 29 | son | Draftsman | Missouri |
| 32 | Raymond Gruenewald | 25 | son | Pattern Maker Appr | Missouri |
| 33 | Mary Lageman | 84 | mother-in-law | — | Illinois |
| 34 | Fred H Birkenkamp | 57 | head | Grocery Clerk Bar Tender | Missouri |
| 35 | Louise Birkenkamp | 57 | wife | — | Missouri |
| 36 | Dorothy Birkenkamp | 29 | daughter | Billing Machine Operator | Missouri |
| 37 | Robert Henry Long | 48 | head | Custodian | Missouri |
| 38 | Johanna Long | 40 | wife | — | Missouri |
| 39 | Robert Louis Long | 14 | son | — | Missouri |
| 40 | Margaret M Long | 13 | daughter | — | Missouri |
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)