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Mary Mcgovern — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-County, Missouri
Our Model Tree links this Mary Mcgovern across the 1930 and 1940 US Censuses in St.-Louis-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 7-person household.
Age 19
b. ~1921
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Missouri |
| Surname | McGovern |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Normandy Township |
| 1935 Residence (County) | St. Louis |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Normandy Township |
| Est. Birth Year | ~1921 |
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 |
|---|---|---|---|---|
| Mary Mcgovern | Daughter | — | 19 | ~1921 |
| Margaret Mcgovern | Spouse | — | 58 | ~1882 |
| Mildred Mcgovern | Daughter | — | 27 | ~1913 |
| Stephen Mcgovern | Son | — | 14 | ~1926 |
| Stephen Mcgovern | Head | — | 56 | ~1884 |
| Helen Mcgovern | Daughter | — | 21 | ~1919 |
| Joseph Mcgovern | Son | — | 17 | ~1923 |
Census Appearances
1930
St Louis, …
Daughter, age 9
St Louis, Missouri · implied b. ~1921 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGovern |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-County, Missouri
Daughter, age 19
St.-Louis-County, Missouri · implied b. ~1921 — 7 household members
| Surname | McGovern |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Normandy Township |
| 1935 Residence (County) | St. Louis |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 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 Mcgovern across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcgovern
Daughter · 1940 · age 19 · b. ~1921 · Missouri
★ You are viewing this record
Sibling
Joseph Mcgovern
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stephen Mcgovern
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Mcgovern
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Mcgovern
Sibling · 1940 · age 27
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-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02152-00664)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Stephen J. Mcgovern | 56 | Head | Salesman | Missouri |
| 42 | Margaret Mcgovern | 58 | Wife | — | Missouri |
| 43 | Mildred M. Mcgovern | 27 | Daughter | Stenographer | Missouri |
| 44 | Helen C. Mcgovern | 21 | Daughter | Assistant Bookkeeper | Missouri |
| 45 | Mary J. Mcgovern THIS PERSON | 19 | Daughter | — | Missouri |
| 46 | Joseph E. Mcgovern | 17 | Son | — | Missouri |
| 47 | Stephen Jr. Mcgovern | 14 | Son | — | Missouri |
| 48 | Bernard C. Huger | 68 | Head | Proprietor Pharmacist | Missouri |
| 49 | Catherine M. Huger | 60 | Wife | — | Missouri |
| 50 | Bernard J. Huger | 30 | Son | Lawyer | Missouri |
| 51 | Lucille C. Huger | 27 | Daughter | School Teacher | Missouri |
| 52 | Angela C. Huger | 25 | Daughter | Registered Nurse | Missouri |
| 53 | Raymond J. Huger | 23 | Son | — | Missouri |
| 54 | Joseph L. Siegler | 43 | Head | Fireman | Missouri |
| 55 | Adele H. Siegler | 42 | Wife | — | Missouri |
| 56 | Robert F. Siegler | 13 | Son | — | Missouri |
| 57 | Joseph G. Jr. Siegler | 9 | Son | — | Missouri |
| 58 | Mark Boyd | 71 | Head | — | Missouri |
| 59 | Lee B. Boyd | 32 | Son | Proprietor Salesman | Missouri |
| 60 | Joseph H. Boyd | 24 | Son | Laborer | Missouri |
| 61 | James M. Tyne | 38 | Head | Manager | Nebraska |
| 62 | E. Margaret Tyne | 33 | Wife | — | Missouri |
| 63 | James M. Jr. Tyne | 8 | Son | — | Missouri |
| 64 | Thomas R. Tyne | 4 | Son | — | Missouri |
| 65 | Virginia L. Tyne | 1 | Daughter | — | Missouri |
| 66 | Seymour J. Gerber | 50 | Head | — | Texas |
| 67 | Maybelle L. Gerber | 33 | Daughter | Office Manager | Missouri |
| 68 | Morris C. Sr. Brown | 31 | Head | Experimental Engineer | Missouri |
| 69 | Beverly Brown | 5 | Daughter | — | Michigan |
| 70 | Edward E. Bronkhorst | 41 | Head | Supervisor | Illinois |
| 71 | Anna P. Bronkhorst | 37 | Wife | — | Missouri |
| 72 | Elaine E. Bronkhorst | 13 | Daughter | — | Missouri |
| 73 | Edward W. Bronkhorst | 8 | Son | — | Missouri |
| 74 | Fred Nordmeyer | 79 | Father-in-law | — | Illinois |
| 75 | Amelia Nordmeyer | 72 | Mother-in-law | — | Missouri |
| 76 | William Macdonald | 60 | Head | General Contractor | Scotland |
| 77 | Anna H. Macdonald | 56 | Wife | — | Michigan |
| 78 | Robert E. Macdonald | 35 | Son | — | Missouri |
| 79 | Vernon H. Macdonald | 26 | Son | Contractor | Missouri |
| 80 | Zulu Weigel | 66 | Lodger | — | Illinois |
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)