AT
Agnes Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this Agnes Thomas across the 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 7-person household.
Age 25
b. ~1915
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | Thomas |
| Given Name | Agnes R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis City |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1915 |
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 Agnes | Age | Birth yr |
|---|---|---|---|---|
| Frances Thomas | Son | — | 14 | ~1926 |
| Agnes Thomas | Daughter | — | 25 | ~1915 |
| Rose Thomas | Daughter | — | 10 | ~1930 |
| Charles Thomas | Son | — | 21 | ~1919 |
| Rose Thomas | Spouse | — | 53 | ~1887 |
| Charles Thomas | Head | — | 61 | ~1879 |
| Harry Thomas | Son | — | 17 | ~1923 |
Census Appearances
1930
St Louis, …
Daughter, age 15
St Louis, Missouri · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Agnes R |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Daughter, age 25
St.-Louis-City-County, Missouri · implied b. ~1915 — 7 household members
| Surname | Thomas |
| Given Name | Agnes R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis City |
| 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 Agnes Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Agnes Thomas
Daughter · 1940 · age 25 · b. ~1915 · Missouri
★ You are viewing this record
Sibling
Harry Thomas
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Thomas
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Thomas
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Thomas
Sibling · 1940 · age 21
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-t0627-02191-00075)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles B. Farley | 41 | Head | Salesman | Missouri |
| 2 | Margaret Farley | 40 | Wife | — | Missouri |
| 3 | Louis F. Ketanovsky | 36 | Head | Office Clerk | Alabama |
| 4 | Mary E. Ketanovsky | 36 | Wife | Seamstress | Missouri |
| 5 | Helen Berautka | 58 | Mother-in-law | — | Missouri |
| 6 | Mary H. C. Mroz | 51 | Head | — | Missouri |
| 7 | Walter V. Mroz | 26 | Son | Lithograph Feeder | Missouri |
| 8 | Joseph A. Mroz | 22 | Son | Jeweler | Missouri |
| 9 | Jacob Albrecht | 52 | Head | Wash House | Missouri |
| 10 | Mathilda A. Albrecht | 49 | Wife | — | Missouri |
| 11 | Oscar H. B. Kremeyer | 42 | Head | Janitor | Illinois |
| 12 | Victoria R. Kremeyer | 48 | Wife | Practical Nurse | England |
| 13 | Charles W. Thomas | 61 | Head | Nightwatchman | Illinois |
| 14 | Rose F. Thomas | 53 | Wife | — | Missouri |
| 15 | Agnes R. Thomas THIS PERSON | 25 | Daughter | — | Missouri |
| 16 | Charles A. Thomas | 21 | Son | Office Clerk | Missouri |
| 17 | Harry J. Thomas | 17 | Son | Office Clerk | Missouri |
| 18 | Frances F. Thomas | 14 | Son | — | Missouri |
| 19 | Rose Mary Thomas | 10 | Daughter | — | Missouri |
| 20 | Edward A. Castigan | 61 | Head | Repairman | Ohio |
| 21 | Albertine D. Castigan | 68 | Wife | — | Missouri |
| 22 | Mary B. Castigan | 23 | Daughter | Machine Oper. | Missouri |
| 23 | Harry J. Albrecht | 52 | Head | Cigar Maker | Illinois |
| 24 | Jeanette E. Albrecht | 39 | Wife | Saleswoman | Missouri |
| 25 | Muriel K. Albrecht | 18 | Daughter | Office Clerk | Missouri |
| 26 | Henry H. Gretsch | 39 | Head | Welder | Missouri |
| 27 | Victoria L. Gretsch | 32 | Wife | — | Arkansas |
| 28 | Richard R. Gretsch | 6 | Son | — | Missouri |
| 29 | Gloria J. Gretsch | 3 | Daughter | — | Missouri |
| 30 | Edward M. Bilson | 39 | Head | Barber | Missouri |
| 31 | Olinda S. Bilson | 38 | Wife | — | Illinois |
| 32 | Rolla C. Bilson | 4 | Son | — | Missouri |
| 33 | William F. Noeth | 31 | Head | Sheet Metal Work | Missouri |
| 34 | Marcella J. Noeth | 26 | Wife | — | Missouri |
| 35 | Charles A. Mueller | 61 | Father-in-law | Sheet Metal Work | Australia |
| 36 | Joseph W. Jasinski | 34 | Head | Advertising Instructor | Missouri |
| 37 | Mary C. Jasinski | 69 | Mother | — | Germany |
| 38 | Jacob Zonnevein | 77 | Head | Tin Washer | Missouri |
| 39 | Marguerite M. Zonnevein | 77 | Wife | — | Missouri |
| 40 | Catherine A. Zonnevein | 52 | Daughter | — | Missouri |
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)