TM
Thomas Mcgrath — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this Thomas Mcgrath across the 1920, 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed) — first a head (b.~1868), then head of a 6-person household.
Age 72
b. ~1868
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | McGrath |
| Given Name | Thomas P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 72 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis City |
| Additional Details | |
| Highest Grade | C-7 |
| 1935 Residence | Same house |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1868 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Mary Mcgrath | Other | — | 37 | ~1903 |
| Thomas Mcgrath | Head | — | 72 | ~1868 |
| Elizabeth Mcgrath | Spouse | — | 63 | ~1877 |
| Philip Mcgrath | Other | — | 20 | ~1920 |
| Philip Mcgrath | Son | — | 44 | ~1896 |
| Lorine Mcgrath | Other | — | 20 | ~1920 |
Census Appearances
1920
St Louis, …
Head, age 57
St Louis, Missouri · implied b. ~1863 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGrath |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Machinist |
| Industry | Lead Company |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Louis, …
Head, age 67
St Louis, Missouri · implied b. ~1863 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGrath |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 22 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | $17 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Head, age 72
St.-Louis-City-County, Missouri · implied b. ~1868 — 6 household members
| Surname | McGrath |
| Given Name | Thomas P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 72 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis City |
| Highest Grade | C-7 |
| 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 Thomas Mcgrath across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Thomas Mcgrath
Head · 1940 · age 72 · b. ~1868 · 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
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1940 US Federal Census — St.-Louis-City-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02196-00455)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ida Louise Watkee | 34 | Daughter | Stenographer | Missouri |
| 2 | E. V. Watkee | 23 | Son | — | Missouri |
| 3 | Wallace Neilson | 20 | Lodger | Shipper | Illinois |
| 4 | Eugene Dean | 76 | Head | — | Missouri |
| 5 | John M. H. Dean | 32 | Son | — | Missouri |
| 6 | John Gates | 60 | Head | Clerk | Missouri |
| 7 | Maude Gates | 57 | Wife | — | Missouri |
| 8 | Helen Gates | 31 | Daughter | Comptometer Opr. | Missouri |
| 9 | Fred A. Patton | 49 | Head | Mechanic | Illinois |
| 10 | Caroline B. Patton | 50 | Wife | — | Missouri |
| 11 | James Kiley | 35 | Head | Caller | Ohio |
| 12 | Genevieve Kiley | 35 | Sister | — | Ohio |
| 13 | Margaret Kiley | 25 | Sister | Book Keeper | Ohio |
| 14 | Mary Josephine Kiley | 33 | Sister | Book Keeper | Ohio |
| 15 | Vincent Kiley | 29 | Brother | Guard | Ohio |
| 16 | William Kiley | 27 | Brother | Clerk | Missouri |
| 17 | John Kiley | 23 | Brother | Caller | Missouri |
| 18 | Robert T. Wolff | 27 | Head | Printer | Missouri |
| 19 | Grace C. Wolff | 26 | Wife | — | Missouri |
| 20 | Robert T. Jr. Wolff | 5 | Son | — | Missouri |
| 21 | Barbara J. Wolff | 3 | Daughter | — | Missouri |
| 22 | Richard E. Wolff | 2 | Son | — | Missouri |
| 23 | Raymond P. Tipton | 39 | Head | Weather Observer | Missouri |
| 24 | Martha E. Tipton | 65 | Mother | — | Missouri |
| 25 | Alexander W. Mackie | 59 | Head | Clerk | Missouri |
| 26 | Evelyn Mackie | 27 | Daughter | School Teacher | Missouri |
| 27 | Thomas P. Mcgrath THIS PERSON | 72 | Head | — | Missouri |
| 28 | Elizabeth Mcgrath | 63 | Wife | — | Missouri |
| 29 | Philip C. Mcgrath | 44 | Son | Sales Manager | Missouri |
| 30 | Mary Elizabeth Mcgrath | 37 | Daughter-in-law | — | Missouri |
| 31 | Philip Mcgrath | 20 | Grandson | — | Missouri |
| 32 | Lorine Mcgrath | 20 | G. Daughter | — | Missouri |
| 33 | Alberta Dines | 46 | Head | — | Illinois |
| 34 | Maude Dines | 16 | Daughter | — | Illinois |
| 35 | Howard Daumueller | 32 | Head | Clerk | Illinois |
| 36 | Alice Daumueller | 29 | Wife | — | Illinois |
| 37 | Francis Perry Craig | 54 | Head | Pullman Conductor | Ohio |
| 38 | Eleanor Craig | 37 | Wife | — | Indiana |
| 39 | Bernice E. Craig | 12 | Daughter | — | Missouri |
| 40 | William H. Kincaid | 53 | Head | Switchman | Indiana |
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)