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Charles Hartman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Pennsylvania
Our Model Tree links this Charles Hartman across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1896), then head of a 5-person household.
Age 44
b. ~1896
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Pennsylvania |
| Surname | Hartman |
| Given Name | Charles H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Norristown |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1700 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Machinist |
| Township / Ward | Norristown |
| Est. Birth Year | ~1896 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Charles Hartman | Head | — | 44 | ~1896 |
| Joseph Hartman | Son | — | 11 | ~1929 |
| Theodore Hartman | Son | — | 7 | ~1933 |
| Charles Hartman | Son | — | 18 | ~1922 |
| Mary Hartman | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Montgomery, Pennsylvania
Head, age 24
Montgomery, Pennsylvania · implied b. ~1896 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartman |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Pennsylvania |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Year of Naturalization | R |
| Birthplace (normalized) | maryland |
1930
Montgomery, Pennsylvania
Head, age 34
Montgomery, Pennsylvania · implied b. ~1896 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartman |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 20 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Machinist |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | No |
| Home Owned/Rented | R |
| Home Value / Rent | 18 |
| Radio Set | R |
| Veteran | no |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Montgomery-County, Pennsylvania
Head, age 44
Montgomery-County, Pennsylvania · implied b. ~1896 — 5 household members
| Surname | Hartman |
| Given Name | Charles H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Norristown |
| 1935 Residence (County) | Montgomery |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1700 |
| Highest Grade | No 7 |
| 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 Charles Hartman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Charles Hartman
Head · 1940 · age 44 · b. ~1896 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Montgomery-County, Pennsylvania
Open full size
1940 US Federal Census — Montgomery-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03581-00540)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Myers | 18 | Daughter | — | Pennsylvania |
| 2 | Charles Myers | 17 | Son | — | Pennsylvania |
| 3 | Mary Jane Myers | 2 | Daughter | — | Pennsylvania |
| 4 | Andrew Constairs | 58 | Head | Laborer | Scotland |
| 5 | Bessie Constairs | 54 | Wife | House Worker | Scotland |
| 6 | Edward Walker | 57 | Head | Baker | Pennsylvania |
| 7 | J. C. Evans | 51 | Lodger | Carp | Illinois |
| 8 | Elmer H. Pooler | 41 | Head | Baker | Pennsylvania |
| 9 | William Fratt | 58 | Head | Laborer | Pennsylvania |
| 10 | Blanche Beck | 57 | Head | — | Pennsylvania |
| 11 | John Monahan | 70 | Head | — | Pennsylvania |
| 12 | George Cunningham | 66 | Head | Laborer | Pennsylvania |
| 13 | James G. Mcnalley | 51 | Head | Fireman | Pennsylvania |
| 14 | Joseph Robbins | 74 | Head | — | Pennsylvania |
| 15 | William A. Robbins | 27 | Son | Machine Hand | Pennsylvania |
| 16 | Ray J. Smith | 53 | Head | Watchman | Maryland |
| 17 | Anna Smith | 54 | Wife | Ironer | Pennsylvania |
| 18 | Walter J. Reid | 28 | Head | Skater | Pennsylvania |
| 19 | Katherine Reid | 32 | Wife | Looper | Pennsylvania |
| 20 | Stanley Reid | 6 | Son | — | Pennsylvania |
| 21 | Walter Reid | 5 | Son | — | Pennsylvania |
| 22 | Marie Anna Reid | 3 | Daughter | — | Pennsylvania |
| 23 | Charles H. Hartman THIS PERSON | 44 | Head | Machinist | Maryland |
| 24 | Mary Hartman | 42 | Wife | — | Pennsylvania |
| 25 | Charles N. Jr. Hartman | 18 | Son | Core Operator | Pennsylvania |
| 26 | Joseph H. Hartman | 11 | Son | — | Pennsylvania |
| 27 | Theodore N. Hartman | 7 | Son | — | Pennsylvania |
| 28 | John Smith | 52 | Head | Painter | Pennsylvania |
| 29 | Anna Smith | 39 | Wife | — | Pennsylvania |
| 30 | Gertrude Smith | 17 | Daughter | Waitress | Pennsylvania |
| 31 | Verne Harris | 37 | Head | Mixer | Pennsylvania |
| 32 | Thelma Harris | 28 | Wife | — | Pennsylvania |
| 33 | Anna Carson | 72 | Head | — | Pennsylvania |
| 34 | Nancy Carson | 18 | Daughter | Dresser | Pennsylvania |
| 35 | John Douglass | 71 | Lodger | Janitor | Pennsylvania |
| 36 | Elwood J. Finley | 55 | Lodger | Laborer | Pennsylvania |
| 37 | Stella Eisenhart | 32 | Lodger | Waitress | Pennsylvania |
| 38 | Margaret Seebers | 53 | Lodger | — | Pennsylvania |
| 39 | George M. Nummerer | 49 | Head | Truck Driver | Pennsylvania |
| 40 | Ellie M. Nummerer | 47 | Wife | — | Pennsylvania |
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)