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Mary Mcguire — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this Mary Mcguire across the 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 11-person household.
Age 11
b. ~1929
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | McGuire |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St Louis (City) |
| 1935 Residence (County) | St. Louis City |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1929 |
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 |
|---|---|---|---|---|
| Catherine Mcguire | Daughter | — | 19 | ~1921 |
| Mary Mcguire | Daughter | — | 11 | ~1929 |
| Patricia Mcguire | Daughter | — | 7 | ~1933 |
| Margaret Mcguire | Daughter | — | 8 | ~1932 |
| Thos Mcguire | Head | — | 54 | ~1886 |
| James Mcguire | Son | — | 9 | ~1931 |
| John Mcguire | Son | — | 16 | ~1924 |
| Aloysius Mcguire | Son | — | 23 | ~1917 |
| Martin Mcguire | Son | — | 21 | ~1919 |
| Thomas Mcguire | Son | — | 14 | ~1926 |
| Anne Mcguire | Spouse | — | 45 | ~1895 |
Census Appearances
1930
St Louis, …
Daughter, age 1
St Louis, Missouri · implied b. ~1929 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGuire |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Daughter, age 11
St.-Louis-City-County, Missouri · implied b. ~1929 — 11 household members
| Surname | McGuire |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St Louis (City) |
| 1935 Residence (County) | St. Louis City |
| Highest Grade | 5 |
| 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 Mcguire across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcguire
Daughter · 1940 · age 11 · b. ~1929 · Missouri
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Sibling
Thomas Mcguire
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Aloysius Mcguire
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mcguire
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martin Mcguire
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Mcguire
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mcguire
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Mcguire
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mcguire
Sibling · 1940 · age 16
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-t0627-02209-00367)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eli Kramer | 30 | Head | Printer | Missouri |
| 42 | Frieda Kramer | 27 | Wife | — | Missouri |
| 43 | Nadine J. Kramer | 6 | Daughter | — | Missouri |
| 44 | Geraldine Gershenson | 8 | Niece | — | Missouri |
| 45 | Tom J. Warnock | 31 | Head | Auto Mechanic | Kentucky |
| 46 | Opal Warnock | 29 | Wife | — | Kentucky |
| 47 | Barbara N. Warnock | 11 | Daughter | — | Kentucky |
| 48 | Joan Warnock | 9 | Daughter | — | Kentucky |
| 49 | Louis Christ | 72 | Head | — | Illinois |
| 50 | Josephine Christ | 66 | Wife | — | Illinois |
| 51 | Eugene Conner | 29 | Head | Assistant Shipping Clerk | Missouri |
| 52 | Edna Conner | 27 | Wife | — | Illinois |
| 53 | Bonnie G. Conner | 12 | Daughter | — | Missouri |
| 54 | Walter Robert L. Conner | 7 | Step son | — | Missouri |
| 55 | Ernest C. Conner | 3 | Step son | — | Missouri |
| 56 | Marilyn L. Conner | 2 | Step Daughter | — | Missouri |
| 57 | Thos Mcguire | 54 | Head | Motorman | Ireland |
| 58 | Anne Mcguire | 45 | Wife | — | Ireland |
| 59 | Aloysius Mcguire | 23 | Son | Shipping Clerk | Missouri |
| 60 | Martin Mcguire | 21 | Son | File Clerk | Missouri |
| 61 | Catherine Mcguire | 19 | Daughter | Punch Press Operator | Missouri |
| 62 | John Mcguire | 16 | Son | — | Missouri |
| 63 | Thomas Mcguire | 14 | Son | — | Missouri |
| 64 | Mary Mcguire THIS PERSON | 11 | Daughter | — | Missouri |
| 65 | James Mcguire | 9 | Son | — | Missouri |
| 66 | Margaret Mcguire | 8 | Daughter | — | Missouri |
| 67 | Patricia Mcguire | 7 | Daughter | — | Missouri |
| 68 | Henry Hildebrandt | 44 | Head | Salesman | Missouri |
| 69 | Mary Hildebrandt | 73 | Mother | — | Germany |
| 70 | Wm P. Stroker | 67 | Head | Roaster Packer | Missouri |
| 71 | Mary L. Stroker | 65 | Wife | — | Missouri |
| 72 | Jennie Finn | 54 | Head | Matron | Missouri |
| 73 | Martin Finn | 20 | Son | Salesman | Missouri |
| 74 | Janet Finn | 17 | Daughter | Stenographer | Missouri |
| 75 | Norman Pace | 38 | Head | Auto Mechanic | Arkansas |
| 76 | Ethel M. Pace | 36 | Wife | — | Arkansas |
| 77 | Charles N. Pace | 14 | Son | — | Arkansas |
| 78 | Oliver D. Pace | 11 | Son | — | Arkansas |
| 79 | Gustave Treaty | 52 | Head | Sheet Metal | Missouri |
| 80 | Mary Treaty | 48 | Wife | — | 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)