JC
James Carr — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Louis-County, Missouri
Our Model Tree links this James Carr across the 1920, 1930 and 1940 US Censuses in St.-Louis-County, Missouri (XGBoost, ~Confirmed), with identified parents William & Bridget — first a head (b.~1901), then head of a 6-person household.
Age 39
b. ~1901
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Missouri |
| Surname | Carr |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Ladue City |
| 1935 Residence (County) | St. Louis |
| Additional Details | |
| Occupation | Caretaker |
| Industry | Monastery Grounds |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 964 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Caretaker |
| Township / Ward | Ladue City |
| Est. Birth Year | ~1901 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Patricia Carr | Daughter | — | 10 | ~1930 |
| Joyce Carr | Daughter | — | 2 | ~1938 |
| Rose Carr | Daughter | — | 7 | ~1933 |
| Dolores Carr | Daughter | — | 15 | ~1925 |
| James Carr | Head | — | 39 | ~1901 |
| Alice Carr | Spouse | — | 40 | ~1900 |
Census Appearances
1920
St Louis, …
Son, age 19
St Louis, Missouri · implied b. ~1901 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carr |
| Given Name | James J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Kentucky |
| Occupation | Laborer |
| Industry | Farm |
| 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, …
Head, age 29
St Louis, Missouri · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carr |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 24 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Kentucky |
| Occupation | Painter |
| Industry | House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Veteran | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-County, Missouri
Head, age 39
St.-Louis-County, Missouri · implied b. ~1901 — 6 household members
| Surname | Carr |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Ladue City |
| 1935 Residence (County) | St. Louis |
| Occupation | Caretaker |
| Industry | Monastery Grounds |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 964 |
| Highest Grade | H-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 James Carr across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Carr (~0.92 confidence) and mother Bridget Carr (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Carr
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Bridget Carr
b. ~1863
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Carr
Head · 1940 · age 39 · b. ~1901 · 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-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-County, Missouri
Page Contents
29 people indexed on this census page (nara:1940:m-t0627-02148-00304)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mother Aloysius Brennan | 44 | Mother Superior | Superior | Missouri |
| 2 | Mother Aloysius Koch | 81 | Nun | — | Maryland |
| 3 | Sister Stanislaus Kunz | 68 | Nun | — | Missouri |
| 4 | Sister Veronica Mckenna | 67 | Nun | — | New York |
| 5 | Sister Cecilia Burns | 66 | Nun | — | Kentucky |
| 6 | Sister Francis Zuber | 37 | Nun | — | Illinois |
| 7 | Sister Carmelita Thomas | 41 | Nun | — | Missouri |
| 8 | Sister Mercedes Savage | 39 | Nun | — | Illinois |
| 9 | Sister St John Kelly | 40 | Nun | — | Indiana |
| 10 | Sister Michael Clancy | 46 | Nun | — | Missouri |
| 11 | Sister Mary Ann Bresnahan | 30 | Nun | — | Missouri |
| 12 | Sister Mary Rose Jennings | 36 | Nun | — | Kansas |
| 13 | Sister Mary Theresa Meyers | 35 | Nun | — | Illinois |
| 14 | Sister Mary Daniel Coffey | 39 | Nun | — | Kansas |
| 15 | Sister Therese Carney | 32 | Nun | — | Kansas |
| 16 | Sister Mary Shuette | 31 | Nun | — | Illinois |
| 17 | Sister Angelica Matthews | 31 | Nun | — | Missouri |
| 18 | Sister Mary Jerome Noth | 29 | Nun | — | Missouri |
| 19 | Sister M Agnes Geary | 74 | Lay-Sister | Cook | Missouri |
| 20 | Sister Mary Joseph Nolting | 56 | Lay-Sister | Cook | Illinois |
| 21 | Sister Perpetua Bueker | 32 | Lay-Sister | Cook | Missouri |
| 22 | Sister Dolores Kelledy | 46 | Lay-Sister | Purchasing | Missouri |
| 23 | Sister Josephine Hader | 53 | Lay-Sister | Purchasing | Eire |
| 24 | James Carr THIS PERSON | 39 | Head | Caretaker | Missouri |
| 25 | Alice Carr | 40 | Wife | — | Missouri |
| 26 | Dolores Carr | 15 | Daughter | — | Missouri |
| 27 | Patricia Carr | 10 | Daughter | — | Missouri |
| 28 | Rose Marie Carr | 7 | Daughter | — | Missouri |
| 29 | Joyce Carr | 2 | Daughter | — | Missouri |
Pedigree Summary
James
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)