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John Miller — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this John Miller across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents John & Caroline — first a head (b.~1884), then head of a 4-person household.
Age 56
b. ~1884
Male
Head
Born: Holland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Miller |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Single |
| Birthplace | Holland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Machinist |
| Industry | Oil Burner |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| Birth Country | Netherlands |
| Birthplace (normalized) | holland |
| Occupation | Machinist |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1884 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Esther Treff | Daughter | — | 48 | ~1892 |
| Esther Treff | Daughter | — | 20 | ~1920 |
| John Miller | Head | — | 56 | ~1884 |
| Benjamin Treff | Other | — | 49 | ~1891 |
Census Appearances
1920
None, Maryland
Son, age 34
None, Maryland · implied b. ~1886 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Holland |
| Year of Immigration | 1886 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Holland |
| Mother's Birthplace | Holland |
| Occupation | Machinist |
| Industry | General Machine Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Dutch |
| Birth Country | Netherlands |
| Year of Naturalization | 1895 |
| Birthplace (normalized) | holland |
1930
Baltimore, Maryland
Son, age 41
Baltimore, Maryland · implied b. ~1889 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | John Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Single |
| Birthplace | Holland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1886 |
| Father's Birthplace | Holland |
| Mother's Birthplace | Holland |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Dutch |
| Birth Country | Netherlands |
| Birthplace (normalized) | holland |
1940
Baltimore-City-County, Maryland
Head, age 56
Baltimore-City-County, Maryland · implied b. ~1884 — 4 household members
| Surname | Miller |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Single |
| Birthplace | Holland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Naturalization Status | Naturalized |
| Occupation | Machinist |
| Industry | Oil Burner |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| Birth Country | Netherlands |
| Birthplace (normalized) | holland |
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 John Miller across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father John Miller (~0.92 confidence) and mother Caroline Miller (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Miller
b. ~1855
Source father
● Household
· direct · ~0.92
Mother
Caroline Miller
b. ~1861
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Miller
Head · 1940 · age 56 · b. ~1884 · 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-t0627-01515-00231)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Milton B Arthur | 35 | Head | Attendant | Maryland |
| 2 | Marguerie Arthur | 33 | Wife | — | Maryland |
| 3 | Louis Gotlub | 58 | Head | Salesman | Maryland |
| 4 | Norma Gotlub | 56 | Wife | — | Maryland |
| 5 | Gloria Gotlub | 28 | Daughter | — | Maryland |
| 6 | Gunnar Brathem | 54 | Head | Laborer | Maryland |
| 7 | Stella Brathem | 56 | Wife | — | Maryland |
| 8 | Delma Brathem | 22 | Daughter | Examiner | Maryland |
| 9 | Charles Brathem | 20 | Son | Errand Boy | Maryland |
| 10 | Robert Brathem | 16 | Son | — | Maryland |
| 11 | John Miller THIS PERSON | 56 | Head | Machinist | Holland |
| 12 | Benjamin Treff | 49 | Brother | Carpenter | Maryland |
| 13 | Esther Treff | 48 | Daughter | — | Minnesota |
| 14 | Esther M. Treff | 20 | Daughter | Clerk | Maryland |
| 15 | Charles Read | 50 | Head | Salesman | Maryland |
| 16 | Agnes Read | 27 | Wife | — | New Jersey |
| 17 | Charles J. Read | 5 | Son | — | New York |
| 18 | Clifford Johnson | 24 | Head | Plumber | New York |
| 19 | Mary Johnson | 25 | Wife | Typist | Pennsylvania |
| 20 | Caroline Burneline | 50 | Head | Proof Reader | Maryland |
| 21 | Anna Burneline | 55 | Sister | Operator | Maryland |
| 22 | Alice Burneline | 47 | Sister | — | Maryland |
| 23 | Louis Satchel | 37 | Head | Foreman | Maryland |
| 24 | Mary E. Satchel | 42 | Wife | — | Maryland |
| 25 | James Stafford | 70 | Head | Salesman | Maryland |
| 26 | Mary Stafford | 66 | Wife | — | Maryland |
| 27 | Annie Stafford | 78 | Sister | — | Maryland |
| 28 | Elizabeth Born | 64 | Head | — | Maryland |
| 29 | Kenneth Born | 27 | Son | Agent | Maryland |
| 30 | Thomas C Fox | 25 | Boarder | Claim Adj. | Virginia |
| 31 | George Hugh | 70 | Head | Retired | Maryland |
| 32 | Elizabeth Hugh | 62 | Wife | — | Maryland |
| 33 | Emma Leonhardt | 70 | Head | — | Maryland |
| 34 | Donald Munroe | 58 | Head | Salesman | Maryland |
| 35 | Ann Munroe | 47 | Wife | — | Maryland |
| 36 | Linda Libbater | 65 | Head | — | Pennsylvania |
| 37 | Irene Libbater | 43 | Daughter | Assistant | Pennsylvania |
| 38 | Benjamin Berman | 46 | Head | Salesman | Pennsylvania |
| 39 | August Berman | 42 | Brother | Salesman | Maryland |
| 40 | Sadie Berman | 30 | Sister | — | Maryland |
Pedigree Summary
John
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)