JH
John Hoffman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this John Hoffman across the 1910, 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Catherine & John — first a son (b.~1906), then head of a 3-person household.
Age 34
b. ~1906
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Hoffman |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Occupation | Chauffeur |
| Industry | Retail drug store |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 420 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Chauffeur |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1906 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Audrey Hoffman | Daughter | — | 15 | ~1925 |
| Margaret Hoffman | Head | — | 62 | ~1878 |
| John Hoffman | Son | — | 34 | ~1906 |
Census Appearances
1910
Baltimore, Maryland
Son, age 3
Baltimore, Maryland · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Baltimore, Maryland
Son, age 12
Baltimore, Maryland · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| 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
Son, age 24
Baltimore, Maryland · implied b. ~1906 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | HOFFMAN |
| Given Name | JOHN |
| Relationship to Head | SON |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | MARYLAND |
| Age at First Marriage | 19 |
| Father's Birthplace | MARYLAND |
| Mother's Birthplace | MARYLAND |
| Occupation | CHAUFFEUR |
| Industry | GROCERY |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | NO |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 34
Baltimore-City-County, Maryland · implied b. ~1906 — 3 household members
| Surname | Hoffman |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore |
| Occupation | Chauffeur |
| Industry | Retail drug store |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 420 |
| Highest Grade | No 8 |
| 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 John Hoffman across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Catherine Hoffman (~0.92 confidence) and father John Hoffman (~0.92 confidence) and mother Margaret Hoffman (~0.92 confidence) and mother Margaret Hoffman (~0.92 confidence) and mother Agnes Hoffman (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Catherine Hoffman
b. ~1869
Source mother
● Household
· direct · ~0.92
Father
John Hoffman
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Margaret Hoffman
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Margaret Hoffman
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Agnes Hoffman
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Hoffman
Son · 1940 · age 34 · b. ~1906 · Maryland
★ You are viewing this record
Sibling
Audrey Hoffman
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-01534-00143)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bessie Stevenson | 37 | Head | Sewing | Maryland |
| 2 | Elizabeth Stevenson | 21 | Daughter | Maid | N. Carolina |
| 3 | Robert Stevenson | 22 | Son | Operator | N. Carolina |
| 4 | Evelyn Stevenson | 17 | Daughter in law | Maid | Maryland |
| 5 | Dalthea Stevenson | 3 | Granddaughter | — | Maryland |
| 6 | Robert Stevenson | 3 | Grandson | — | Maryland |
| 7 | Leola Stevenson | 1 | Granddaughter | — | Maryland |
| 8 | Maggie Jordan | 56 | Mother | — | N. Carolina |
| 9 | Will Johnson | 48 | Head | Laborer | Maryland |
| 10 | Lila Johnson | 45 | Wife | — | Maryland |
| 11 | Harrison Johnson | 21 | Son | — | Maryland |
| 12 | Enos Johnson | 18 | Daughter | New Worker | Maryland |
| 13 | Beulah Johnson | 14 | Daughter | — | Maryland |
| 14 | Edward Prophet | 35 | Head | Labor | S. Carolina |
| 15 | Margeline Prophet | 26 | Wife | — | S. Carolina |
| 16 | Hattie Prophet | 58 | Mother | Kitchen Cleaner | S. Carolina |
| 17 | Delores Prophet | 7 | Niece | — | Maryland |
| 18 | Earl Bailey | 39 | Head | Longshoreman | Virginia |
| 19 | Ethel Bailey | 36 | Wife | — | Virginia |
| 20 | Griffin William Bailey | 37 | Lodger | Longshoreman | Virginia |
| 21 | Josephine Bailey | 33 | Lodger | — | Virginia |
| 22 | Nikolay Kazimirski | 52 | Head | Proprietor | Russia |
| 23 | Joseph Lutes | 30 | Head | Book Keeper | Maryland |
| 24 | Anna Lutes | 64 | Mother | — | Germany |
| 25 | Margaret Hoffman | 62 | Head | — | Maryland |
| 26 | John H. Hoffman THIS PERSON | 34 | Son | Chauffeur | Maryland |
| 27 | Audrey Hoffman | 15 | Daughter | Examiner | Maryland |
| 28 | Anthony Mihalic | 30 | Head | Maintenance | Pennsylvania |
| 29 | Mabel Mihalic | 25 | Wife | — | Maryland |
| 30 | Mabel A. Mihalic | 5 | Daughter | — | Maryland |
| 31 | Anthony Jr. Mihalic | 1 | Son | — | Maryland |
| 32 | James L. Webb | 27 | Head | Operator | Maryland |
| 33 | Lily B. Webb | 27 | Wife | — | Maryland |
| 34 | George W. Webb | 7 | Son | — | Maryland |
| 35 | Carolee Webb | 4 | Daughter | — | Maryland |
| 36 | Lucy L. Webb | 2 | Daughter | — | Maryland |
| 37 | Thomas Meagher | 64 | Head | Sheet Metal Worker | Maryland |
| 38 | Anna Meagher | 58 | Wife | — | Maryland |
| 39 | William E. Meagher | 19 | Son | Packer | Maryland |
| 40 | Iona Meagher | 28 | Daughter | — | Maryland |
Pedigree Summary
John + 1 sibling
Gen 1 · 5 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)