GJ
Gertrude Jones — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Gertrude Jones across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1876), then head of a 3-person household.
Age 64
b. ~1876
Female
Spouse
Born: Germany
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Jones |
| Given Name | Gertrude |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Germany |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1876 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Gertrude | Age | Birth yr |
|---|---|---|---|---|
| Lydia Jones | Daughter | — | 41 | ~1899 |
| Frank Jones | Head | — | 71 | ~1869 |
| Gertrude Jones | Spouse | — | 64 | ~1876 |
Census Appearances
1920
None, Maryland
Spouse, age 45
None, Maryland · implied b. ~1875 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Gertrude |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Germany |
| Year of Immigration | 1885 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Germany |
| Year of Naturalization | 1890 |
| Birthplace (normalized) | germany |
1930
Baltimore, Maryland
Other, age 56
Baltimore, Maryland · implied b. ~1874 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | JONES |
| Given Name | GERTRUDE |
| Relationship to Head | WIFE H |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | GERMANY |
| Naturalization Status | Naturalized |
| Year of Immigration | 1886 |
| Age at First Marriage | 20 |
| Father's Birthplace | GERMANY |
| Mother's Birthplace | GERMANY |
| Occupation | NONE |
| Can Read/Write | Yes |
| Mother Tongue | GERMAN |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1940
Baltimore-City-County, Maryland
Spouse, age 64
Baltimore-City-County, Maryland · implied b. ~1876 — 3 household members
| Surname | Jones |
| Given Name | Gertrude |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Germany |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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 Jones 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 Jones
Spouse · 1940 · age 64 · b. ~1876 · 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
40 people indexed on this census page (nara:1940:m-t0627-01534-00145)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles P Koehnlein | 67 | Head | Owner | Maryland |
| 2 | Mary R Koehnlein | 64 | Wife | — | Germany |
| 3 | Lena Brome | 52 | Head | Seamstress | Maryland |
| 4 | William Brome | 18 | Son | Glazeman | Maryland |
| 5 | Ruth Clark | 5 | Granddaughter | — | Maryland |
| 6 | William Hoffman | 43 | Head | Packer | Maryland |
| 7 | Margaret Hoffman | 37 | Wife | — | Maryland |
| 8 | Iris Hoffman | 17 | Daughter | — | Maryland |
| 9 | Walter Wheeler | 37 | Head | Glazeman | Maryland |
| 10 | Rose Wheeler | 38 | Wife | Operator | Indiana |
| 11 | Walter Wheeler | 10 | Son | — | Maryland |
| 12 | Raymond Warner | 34 | Head | Clerk | Maryland |
| 13 | Daphne Warner | 33 | Wife | — | Tennessee |
| 14 | Raymond Warner | 12 | Son | — | Maryland |
| 15 | Ronald Warner | 2 | Son | — | Maryland |
| 16 | Joseph Katz | 51 | Head | Dough Cutter | Maryland |
| 17 | Sadie Katz | 52 | Wife | — | Maryland |
| 18 | Reuben Katz | 25 | Son | — | Maryland |
| 19 | Frank E Jones | 71 | Head | Mixer | Maryland |
| 20 | Gertrude Jones THIS PERSON | 64 | Wife | — | Germany |
| 21 | Lydia Jones | 41 | Daughter | Tipper | Maryland |
| 22 | Gilbert L Morris | 59 | Head | Brakeman | Maryland |
| 23 | Emma Morris | 55 | Wife | — | Maryland |
| 24 | Edward Kuehlhorn | 41 | Head | Lithographer | Maryland |
| 25 | Katharine Kuehlhorn | 37 | Wife | — | Maryland |
| 26 | Herbert Kuehlhorn | 19 | Son | New Worker | Maryland |
| 27 | Helen Kuehlhorn | 16 | Daughter | — | Maryland |
| 28 | Robert Kuehlhorn | 15 | Son | — | Maryland |
| 29 | Willie B Masier | 40 | Head | Junkman | Georgia |
| 30 | Annie Masier | 38 | Wife | Beautician | Georgia |
| 31 | Willie Masier | 4 | Son | — | Maryland |
| 32 | Meyer Waditick | 36 | Head | Owner | Maryland |
| 33 | Priscilla Waditick | 34 | Wife | — | Maryland |
| 34 | Gladys Gantt | 35 | Head | Cook | Maryland |
| 35 | Walter Gantt | 18 | Son | Instructor | Maryland |
| 36 | Gladys Gantt | 16 | Daughter | — | Maryland |
| 37 | Herbert Gantt | 13 | Son | — | Maryland |
| 38 | Earl Burrell | 53 | Head | Chauffeur | Maryland |
| 39 | Alberta Burrell | 38 | Wife | Sewing | Maryland |
| 40 | Marion Burrell | 16 | Daughter | — | Maryland |
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)