GT
Gertrude Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Gertrude Thomas across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 4-person household.
Age 47
b. ~1893
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Thomas |
| Given Name | Gertrude M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore city |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1893 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Gertrude | Age | Birth yr |
|---|---|---|---|---|
| Robert Thomas | Son | — | 23 | ~1917 |
| Robert Thomas | Head | — | 49 | ~1891 |
| Gertrude Thomas | Spouse | — | 47 | ~1893 |
| Louise Thomas | Daughter | — | 17 | ~1923 |
Census Appearances
1920
None, Maryland
Spouse, age 27
None, Maryland · implied b. ~1893 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Gertrude M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Other, age 38
Baltimore, Maryland · implied b. ~1892 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Gertrude |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Spouse, age 47
Baltimore-City-County, Maryland · implied b. ~1893 — 4 household members
| Surname | Thomas |
| Given Name | Gertrude M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore city |
| 1935 Residence (County) | Baltimore City |
| Income (1939) | 0 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Gertrude Thomas across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Gertrude Thomas
Spouse · 1940 · age 47 · b. ~1893 · Maryland
★ 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 — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01515-00131)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Joseph B. Shoemaker | 31 | Head | Photographer | Pennsylvania |
| 3 | Margaret P. Shoemaker | 31 | Wife | — | Scotland |
| 4 | James W. Nolan | 45 | Head | Clerk | Maryland |
| 5 | Marianne Nolan | 8 | Daughter | — | Maryland |
| 6 | Catherine Howe | 76 | Aunt | — | Maryland |
| 7 | Robert E. Thomas | 49 | Head | Salesman | Maryland |
| 8 | Gertrude M. Thomas THIS PERSON | 47 | Wife | — | Maryland |
| 9 | Robert E. Jr. Thomas | 23 | Son | Inspector | Maryland |
| 10 | Louise A. Thomas | 17 | Daughter | — | Maryland |
| 11 | William J. Faucette | 36 | Head | Agent | North Carolina |
| 12 | Dorothy Faucette | 41 | Wife | — | England |
| 13 | George C. Shorey | 29 | Head | Service Manager | Maryland |
| 14 | Nellie Shorey | 32 | Wife | — | Maryland |
| 15 | George C. Jr. Shorey | 0 | Son | — | Maryland |
| 16 | Edwin L. Harnley | 31 | Head | Doctor | New York |
| 17 | Harriet O. Harnley | 32 | Wife | — | Michigan |
| 18 | Ruth G. Harnley | 6 | Daughter | — | Massachusetts |
| 19 | Ann O. Harnley | 4 | Daughter | — | Maryland |
| 20 | Sebastian J. Brauer | 56 | Head | Book Keeper | Maryland |
| 21 | Millicent E. Brauer | 55 | Wife | — | Maryland |
| 22 | Frank J. Free | 47 | Head | Clerk | Maryland |
| 23 | Mildred A. Free | 38 | Wife | — | Maryland |
| 24 | Joseph Hofman | 76 | Head | — | Germany |
| 25 | Phillipine Hofman | 76 | Wife | — | Germany |
| 26 | Anna Riley | 55 | Head | Secretary | Maryland |
| 27 | Catherine Riley | 61 | Sister | — | Maryland |
| 28 | Agnes J. Mason | 57 | Head | Clerk | Maryland |
| 29 | Delma M. Davis | 37 | Head | Telephone Operator | New Jersey |
| 30 | Max Hoffman | 30 | Head | Clerk | New York |
| 31 | Marian D. Hoffman | 22 | Wife | Card Puncher | Milwaukee |
| 32 | William J. Webster | 33 | Head | Rate Clerk | Maryland |
| 33 | Dorothy L. Webster | 34 | Wife | — | Maryland |
| 34 | Jefferson W. Webster | 9 | Son | — | Maryland |
| 35 | Ellen J. Webster | 7 | Son | — | Maryland |
| 36 | Edward C. Kueble | 37 | Head | Auditor | Maryland |
| 37 | Catherine R. Kueble | 35 | Wife | — | Maryland |
| 38 | Edward C. Jr. Kueble | 12 | Son | — | Maryland |
| 39 | William R. Kueble | 7 | Son | — | Maryland |
Related Census Records
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)