JH
James Hoffman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this James Hoffman across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Hoffman |
| Given Name | James W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Lamplighter |
| Industry | City Gas Light Co |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 496 |
| Highest Grade | No 8 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Lamplighter |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1918 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| William Hoffman | Head | — | 56 | ~1884 |
| Cora Hoffman | Spouse | — | 56 | ~1884 |
| James Hoffman | Son | — | 22 | ~1918 |
| Margaret Hoffman | Other | — | 60 | ~1880 |
Census Appearances
1920
Baltimore, Maryland
Son, age 2
Baltimore, Maryland · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | James H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| 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 12
Baltimore, Maryland · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 22
Baltimore-City-County, Maryland · implied b. ~1918 — 4 household members
| Surname | Hoffman |
| Given Name | James W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Lamplighter |
| Industry | City Gas Light Co |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 496 |
| Highest Grade | No 8 |
| 1935 Residence | Maryland |
| 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 James 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 father William Hoffman (~0.92 confidence) and father William Hoffman (~0.92 confidence) and mother Cora Hoffman (~0.92 confidence) and mother Lottie Hoffman (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Hoffman
b. ~1890
Source father
● Household
· direct · ~0.92
Father
William Hoffman
b. ~1884
Source father
● Household
· direct · ~0.92
Father
William Hoffman
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Cora Hoffman
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Lottie Hoffman
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Hoffman
Son · 1940 · age 22 · b. ~1918 · 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
39 people indexed on this census page (nara:1940:m-t0627-01519-00311)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elizabeth D Smith | 52 | Head | — | Maryland |
| 42 | Jessie E Smith | 29 | Daughter | Secretary | Maryland |
| 43 | Margaret A Crawford | 52 | Lodger | Assembler | Georgia |
| 44 | E. Myrtle Wolfe | 47 | Head | — | Maryland |
| 45 | Emmet Edith M Wolfe | 19 | Daughter | Clerical | Maryland |
| 46 | Mary Faulkner | 76 | Mother | — | Maryland |
| 47 | John Arthur Faulkner | 44 | Brother | Meat Cutter | Maryland |
| 48 | C. Franklin Parker | 38 | Head | Manager | North Carolina |
| 49 | Vennie M Parker | 37 | Wife | — | North Carolina |
| 50 | Dorothy E Parker | 19 | Daughter | Waitress | North Carolina |
| 51 | Rosalee Parker | 13 | Daughter | — | North Carolina |
| 52 | Altha G Parker | 11 | Daughter | — | North Carolina |
| 53 | Thomas F Parker | 9 | Son | — | North Carolina |
| 54 | William Hoffman | 56 | Head | Lamplighter | Maryland |
| 55 | Cora F Hoffman | 56 | Wife | — | Maryland |
| 56 | James W Hoffman THIS PERSON | 22 | Son | Lamplighter | Maryland |
| 57 | Margaret M Hoffman | 60 | Sister | — | Maryland |
| 58 | Charles E Young | 54 | Head | Freight Assorter | Maryland |
| 59 | Iva A Young | 52 | Wife | — | Maryland |
| 60 | Herbert W Young | 28 | Son | Laborer | Maryland |
| 61 | Eva L Young | 17 | Daughter | — | Maryland |
| 62 | Leonard E Young | 32 | Son | Clerk | Maryland |
| 63 | Alice M Young | 23 | Daughter-in-law | — | Maryland |
| 64 | Simon Mccersin | 41 | Head | Doctor | Pennsylvania |
| 65 | Helena J Mccersin | 35 | Wife | — | Pennsylvania |
| 66 | Robert H Mccersin | 16 | Son | — | New Jersey |
| 67 | Kenneth M Mccersin | 7 | Son | — | Maryland |
| 68 | Joan R Mccersin | 5 | Daughter | — | Maryland |
| 69 | Ella V Annen | 70 | Head | — | Maryland |
| 70 | Lola Annen | 30 | Daughter | Saleslady | Maryland |
| 71 | Herman C Burrows | 51 | Son-in-law | Book Binder | Maryland |
| 72 | Eva C Burrows | 46 | Daughter | — | Maryland |
| 73 | Joseph A Yearly | 48 | Lodger | Laborer | Maryland |
| 74 | Carl A Richardson | 33 | Head | Painter | Illinois |
| 75 | Katherine E Richardson | 25 | Wife | — | Maryland |
| 76 | Casper C Doran | 35 | Head | Huckster | Maryland |
| 77 | Marie Doran | 28 | Wife | — | Maryland |
| 78 | Robert Doran | 15 | Son | — | Maryland |
| 79 | Norman R Cooley | 42 | Head | Pipefitter | Maryland |
Pedigree Summary
James
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)