JH
Joseph Hoffman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-County, Maryland
Our Model Tree links this Joseph Hoffman across the 1920, 1930 and 1940 US Censuses in Baltimore-County, Maryland (XGBoost, ~Confirmed), with identified parents William & Annie — first a head (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-County, Maryland |
| Surname | Hoffman |
| Given Name | Joseph R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | District #11 |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1250 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Machinist |
| Township / Ward | District 11 |
| Est. Birth Year | ~1914 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Barbara Hoffman | Daughter | — | 5 | ~1935 |
| Joseph Hoffman | Head | — | 26 | ~1914 |
| Elsie Hoffman | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Baltimore, Maryland
Son, age 5
Baltimore, Maryland · implied b. ~1915 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Joseph B |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 16
Baltimore, Maryland · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-County, Maryland
Head, age 26
Baltimore-County, Maryland · implied b. ~1914 — 3 household members
| Surname | Hoffman |
| Given Name | Joseph R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | District #11 |
| 1935 Residence (County) | Baltimore |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1250 |
| Highest Grade | Hs 3 |
| 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 Joseph Hoffman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Hoffman (~0.92 confidence) and mother Annie Hoffman (~0.92 confidence) and father Isaac Hoffman (~0.92 confidence) and mother Annie Hoffman (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Hoffman
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Annie Hoffman
b. ~1876
Source mother
● Household
· direct · ~0.92
Father
Isaac Hoffman
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Annie Hoffman
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Hoffman
Head · 1940 · age 26 · b. ~1914 · 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-County, Maryland
Open full size
1940 US Federal Census — Baltimore-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01505-00844)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William R. Geelhaar | 2 | Son | — | Maryland |
| 42 | Helen M. Ellinger | 38 | Head | — | Maryland |
| 43 | Earl D. Ellinger | 15 | Son | — | Maryland |
| 44 | Mary A. Klock | 74 | Head | — | Maryland |
| 45 | James Anderson | 69 | Head | — | Maryland |
| 46 | Lillie E. Anderson | 65 | Wife | — | Maryland |
| 47 | Roy Anderson | 30 | Son | Laborer | Maryland |
| 48 | John A. Ferrera | 61 | Head | Contractor | Maryland |
| 49 | Clara Ferrera | 48 | Wife | — | Maryland |
| 50 | Medford Ferrera | 13 | Son | — | Maryland |
| 51 | Mary Garis | 28 | Daughter | — | Maryland |
| 52 | Clara E. Garis | 9 | Daughter | — | Maryland |
| 53 | John R. Garis | 8 | Son | — | Maryland |
| 54 | Dorothy J. Garis | 4 | Granddaughter | — | Maryland |
| 55 | Medford Garis | 2 | Son | — | Maryland |
| 56 | Albert J. Nusbaum | 31 | Head | Clerk | Maryland |
| 57 | Elsie E. Nusbaum | 28 | Wife | — | Maryland |
| 58 | Jean E. Nusbaum | 3 | Daughter | — | Maryland |
| 59 | Robert L. Nusbaum | 2 | Son | — | Maryland |
| 60 | Joseph Mattern | 34 | Head | Maintenance | New York |
| 61 | Dorothy A. Mattern | 28 | Wife | — | Maryland |
| 62 | Dorothy M. Mattern | 5 | Daughter | — | Maryland |
| 63 | Joseph Jr. Mattern | 2 | Son | — | Maryland |
| 64 | A. Boyd Whittier | 45 | Head | Carpenter | West Virginia |
| 65 | Ruth L. Whittier | 43 | Wife | — | Maryland |
| 66 | Valerie E. Whittier | 16 | Daughter | — | Maryland |
| 67 | William H. Burton | 44 | Head | Foreman | Maryland |
| 68 | Margaret M. Burton | 39 | Wife | — | Maryland |
| 69 | Albert C. Burton | 19 | Son | — | Maryland |
| 70 | Margaret M. Burton | 17 | Daughter | Steno | Maryland |
| 71 | Doris J. Burton | 13 | Daughter | — | Maryland |
| 72 | Evelyn A. Burton | 10 | Daughter | — | Maryland |
| 73 | William H. Jr. Burton | 0 | Son | — | Maryland |
| 74 | Joseph R. Hoffman THIS PERSON | 26 | Head | Machinist | Maryland |
| 75 | Elsie E. Hoffman | 25 | Wife | Room Runner | Maryland |
| 76 | Barbara A. Hoffman | 5 | Daughter | — | Maryland |
| 77 | Charles J. Kayce | 23 | Head | Painter | Maryland |
| 78 | Beatrice M. Kayce | 23 | Wife | Presser | Maryland |
| 79 | Charles D. Kayce | 1 | Son | — | Maryland |
| 80 | Allen E. Roberts | 40 | Head | Laborer | Maryland |
Related Census Records
Pedigree Summary
Joseph
Gen 1 · 4 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)