MA
Mary Andrews — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Louis-County, Missouri
Our Model Tree links this Mary Andrews across the 1920, 1930 and 1940 US Censuses in St.-Louis-County, Missouri (XGBoost, ~Confirmed), with identified parents William & Mary — first a daughter (b.~1904), then head of a 3-person household.
Age 36
b. ~1904
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Missouri |
| Surname | Andrews |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Webster Groves City |
| 1935 Residence (County) | St. Louis |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Real Estate |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1080 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Stenographer |
| Township / Ward | Webster Groves City |
| Est. Birth Year | ~1904 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Andrews | Daughter | — | 36 | ~1904 |
| Carrie Andrews | Daughter | — | 43 | ~1897 |
| Mary Andrews | Head | — | 65 | ~1875 |
Census Appearances
1920
St Louis, …
Daughter, age 16
St Louis, Missouri · implied b. ~1904 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Andrews |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Louis, …
Daughter, age 26
St Louis, Missouri · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Andrews |
| Given Name | Mary R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Kentucky |
| Occupation | Department Head |
| Industry | Insurance Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-County, Missouri
Daughter, age 36
St.-Louis-County, Missouri · implied b. ~1904 — 3 household members
| Surname | Andrews |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Webster Groves City |
| 1935 Residence (County) | St. Louis |
| Occupation | Stenographer |
| Industry | Real Estate |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1080 |
| 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 Andrews across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Andrews (~0.92 confidence) and mother Mary Andrews (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Andrews
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Mary Andrews
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Andrews
Daughter · 1940 · age 36 · b. ~1904 · Missouri
★ You are viewing this record
Sibling
Carrie Andrews
Sibling · 1940 · age 43
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
39 people indexed on this census page (nara:1940:m-t0627-02149-00477)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Sherrill | 22 | daughter | Secretary | Tennessee |
| 2 | William M Sherrill | 20 | son | Sorter | Tennessee |
| 3 | Lucy G Sherrill | 16 | daughter | — | Pennsylvania |
| 4 | Mary R Andrews | 65 | head | — | Kentucky |
| 5 | Carrie Andrews | 43 | daughter | Teacher | Missouri |
| 6 | Mary Andrews THIS PERSON | 36 | daughter | Stenographer | Missouri |
| 7 | Peter Herzo | 62 | head | — | Missouri |
| 8 | Wilhelmina Herzo | 60 | wife | — | Missouri |
| 9 | Frances Herzo | 25 | daughter | Clerk | Missouri |
| 10 | Christian Koeln | 71 | head | Machinist | Missouri |
| 11 | Jennie Koeln | 73 | wife | — | Paris |
| 12 | Jay Marshall | 55 | head | Dentist | Wisconsin |
| 13 | Theda Marshall | 50 | wife | — | Indiana |
| 14 | Kenneth Marshall | 31 | son | Doctor Student | Missouri |
| 16 | Obed W Stone | 40 | head | Proprietor | Louisiana |
| 17 | Mary Stone | 40 | wife | — | Missouri |
| 18 | Wilson Stone | 12 | son | — | Missouri |
| 19 | Elizabeth Stone | 4 | daughter | — | Missouri |
| 20 | Jessie Griffin | 42 | Maid | Maid | Missouri |
| 21 | Harry L Stout | 31 | head | Executive Correspondent | Illinois |
| 22 | Elvira Stout | 27 | wife | — | Mexico |
| 23 | Robert E Stout | 1 | son | — | Missouri |
| 24 | Ira Hatfield | 37 | head | Chemist | South Dakota |
| 25 | Beulah Hatfield | 34 | wife | — | Iowa |
| 26 | Patricia Hatfield | 5 | daughter | — | Wisconsin |
| 27 | George H Bekebrede | 43 | head | Clerk | Missouri |
| 28 | Elvira Bekebrede | 39 | wife | — | Missouri |
| 29 | Wilfred Bekebrede | 16 | son | — | Missouri |
| 30 | Arnold H Roelling | 59 | head | Salesman | Missouri |
| 31 | Katheryn Roelling | 49 | wife | — | Missouri |
| 32 | Arnold H Roelling | 18 | son | — | Missouri |
| 33 | Charlotte Bailey | 40 | Lodger | Teacher | Missouri |
| 34 | Charles S Drew | 48 | head | Executive | Missouri |
| 35 | Mary B Drew | 45 | wife | — | Scotland |
| 36 | John G Drew | 19 | son | Meat Shop Man | Missouri |
| 37 | George D Drew | 16 | son | — | Maryland |
| 38 | Charles S Drew | 14 | son | — | Maryland |
| 39 | Robert B Drew | 11 | son | — | Maryland |
| 40 | Maurice Weil | 33 | head | Sales Represen. | Alabama |
Related Census Records
Pedigree Summary
Mary + 1 sibling
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)