MB
Mary Barrett — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this Mary Barrett across the 1920, 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed), with identified parents Catherine & John — first a head (b.~1878), then head of a 5-person household.
Age 62
b. ~1878
Female
Head
Born: Missouri
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | Barrett |
| Given Name | Mary Elizabeth |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Missouri |
| 1935 Residence (City) | St Louis (City) |
| 1935 Residence (County) | St. Louis City |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1878 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Barrett | Head | — | 62 | ~1878 |
| Jacqueline Frickette | Other | — | 16 | ~1924 |
| John Frickette | Other | — | 45 | ~1895 |
| Adrian Barrett | Son | — | 26 | ~1914 |
| Lester Barrett | Son | — | 37 | ~1903 |
Census Appearances
1920
St Louis, …
Daughter, age 41
St Louis, Missouri · implied b. ~1879 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barrett |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Milliner |
| Industry | Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Louis, …
Daughter, age 51
St Louis, Missouri · implied b. ~1879 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barrett |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| 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-City-County, Missouri
Head, age 62
St.-Louis-City-County, Missouri · implied b. ~1878 — 5 household members
| Surname | Barrett |
| Given Name | Mary Elizabeth |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Missouri |
| 1935 Residence (City) | St Louis (City) |
| 1935 Residence (County) | St. Louis City |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 Barrett across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Catherine Barrett (~0.92 confidence) and father John Barrett (~0.92 confidence) and mother Katharine Barrett (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Catherine Barrett
b. ~1847
Source mother
● Household
· direct · ~0.92
Father
John Barrett
b. ~1850
Source father
● Household
· direct · ~0.92
Mother
Katharine Barrett
b. ~1850
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Barrett
Head · 1940 · age 62 · b. ~1878 · Missouri
★ You are viewing this record
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-t0627-02195-00205)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nilda Burton | 44 | Head | — | Missouri |
| 2 | Joy Burton | 15 | Daughter | — | Missouri |
| 3 | James Keeton | 38 | Lodger | Fruit Stacker | Missouri |
| 4 | Guy Sandles | 44 | Lodger | Painter | Ohio |
| 5 | William Marrs | 47 | Head | Railroad Clerk | Kentucky |
| 6 | Melba Marrs | 30 | Wife | Stitcher | Missouri |
| 7 | Almeta Marrs | 17 | Daughter | — | Illinois |
| 8 | Thomas Stewart | 60 | Head | Meter Repairer | Missouri |
| 9 | Iola Stewart | 59 | Wife | — | Missouri |
| 10 | Lucille Mccamm | 34 | Daughter | Telephone Operator | Missouri |
| 11 | Chester Mccamm | 37 | Son | Elevator Operator | Missouri |
| 12 | Shirley Mccamm | 4 | Granddaughter | — | Missouri |
| 13 | Mary Elizabeth Barrett THIS PERSON | 62 | Head | — | Missouri |
| 14 | Lester Barrett | 37 | Son | Stock Clerk | Missouri |
| 15 | Adrian Barrett | 26 | Son | Shipping Clerk | Missouri |
| 16 | John Frickette | 45 | Lodger | Taster | Missouri |
| 17 | Jacqueline Frickette | 16 | Lodger | — | Missouri |
| 18 | Amy F Roll | 58 | Head | Private Sect. | Missouri |
| 19 | Clara B Roll | 55 | Sister | — | Missouri |
| 20 | Dorothy C Lanham | 65 | Sister | — | Missouri |
| 21 | Clyde C Leonard | 48 | Head | Janitor | Tennessee |
| 22 | Annie Leonard | 46 | Wife | — | Tennessee |
| 23 | Edna Shields | 32 | Lodger | Stenographer | Missouri |
| 24 | Joseph L Leblanc | 41 | Lodger | Barber | Louisiana |
| 25 | William Morgan | 30 | Head | Bldg Contractor | Illinois |
| 26 | Florence Morgan | 32 | Wife | — | Illinois |
| 27 | Fred Burns | 54 | Head | Core Maker | Illinois |
| 28 | Mary Burns | 44 | Wife | — | Missouri |
| 29 | Albert G Wittman | 73 | Head | — | Missouri |
| 30 | Peter A Schachner | 66 | Head | Porter | Missouri |
| 31 | Anna Schachner | 69 | Wife | — | Illinois |
| 32 | Mark N Malpe | 51 | Head | Bread Salesman | Russia |
| 33 | Maude E Malpe | 51 | Wife | — | Illinois |
| 34 | William O'Conard | 53 | Head | Shoeworker | Illinois |
| 35 | Marie O'Conard | 53 | Wife | — | Illinois |
| 36 | Irvin Craig | 40 | Head | Pipe Fitter | Illinois |
| 37 | Gertie Craig | 29 | Wife | — | Illinois |
| 38 | Elvera Ozman | 25 | Head | School Teacher | Missouri |
| 39 | Leslie Evelyn Ozman | 35 | Sister | Nurse | Missouri |
| 40 | Olivia Mullahy | 31 | Sister | Stenographer | Missouri |
Pedigree Summary
Mary
Gen 1 · 3 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)