JH
John Hartman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Columbia-County, Pennsylvania
Our Model Tree links this John Hartman across the 1920, 1930 and 1940 US Censuses in Columbia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Emanuel & Martha — first a son (b.~1913), then head of a 6-person household.
Age 27
b. ~1913
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Columbia-County, Pennsylvania |
| Surname | Hartman |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Catawissa Borough |
| 1935 Residence (County) | Columbia |
| Additional Details | |
| Occupation | Trucker |
| Industry | Coal dealer |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 426 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same home |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Trucker |
| Township / Ward | Catawissa Borough |
| Est. Birth Year | ~1913 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Emanuel Hartman | Head | — | 53 | ~1887 |
| Harriet Hartman | Other | — | 23 | ~1917 |
| Lydia Creasy | Other | — | 77 | ~1863 |
| Gerald Hartman | Son | — | 29 | ~1911 |
| John Hartman | Son | — | 27 | ~1913 |
| Martha Hartman | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Columbia, Pennsylvania
Son, age 7
Columbia, Pennsylvania · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartman |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Columbia, Pennsylvania
Son, age 17
Columbia, Pennsylvania · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartman |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Columbia-County, Pennsylvania
Son, age 27
Columbia-County, Pennsylvania · implied b. ~1913 — 6 household members
| Surname | Hartman |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Catawissa Borough |
| 1935 Residence (County) | Columbia |
| Occupation | Trucker |
| Industry | Coal dealer |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 426 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same home |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Hartman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Emanuel Hartman (~0.92 confidence) and mother Martha Hartman (~0.92 confidence) and mother Martha Hartman (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Emanuel Hartman
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Martha Hartman
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Martha Hartman
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Hartman
Son · 1940 · age 27 · b. ~1913 · Pennsylvania
★ You are viewing this record
Sibling
Gerald Hartman
Sibling · 1940 · age 29
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 — Columbia-County, Pennsylvania
Open full size
1940 US Federal Census — Columbia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03474-00038)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kathryn M Quigley | 28 | Wife | — | Pennsylvania |
| 2 | James R Quigley | 9 | Son | — | New Jersey |
| 3 | Patricia A Quigley | 7 | Daughter | — | Pennsylvania |
| 4 | Alice M Quigley | 5 | Daughter | — | Pennsylvania |
| 5 | Morton J Quigley | 3 | Son | — | Pennsylvania |
| 6 | Sandra L Quigley | 1 | Daughter | — | Pennsylvania |
| 7 | Ralph W Cherrington | 43 | Head | Chief Of Police | Pennsylvania |
| 8 | Edith E Cherrington | 41 | Wife | Shoe Cleaner | Pennsylvania |
| 9 | Shirley V Cherrington | 18 | Daughter | — | Pennsylvania |
| 10 | Myrtle Keller | 61 | Head | — | Pennsylvania |
| 11 | Jennie Moyer | 83 | Head | — | Pennsylvania |
| 12 | Joseph R Geiger | 54 | Head | Telegraph Operator | Pennsylvania |
| 13 | Jane E Geiger | 51 | Wife | — | Pennsylvania |
| 14 | David B Pink | 67 | Head | — | Pennsylvania |
| 15 | Elizabeth Pink | 67 | Wife | — | Pennsylvania |
| 16 | Blake Pink | 27 | Son | — | Pennsylvania |
| 17 | Herman M Bresch | 80 | Head | — | Pennsylvania |
| 18 | Maude Bresch | 67 | Wife | — | Pennsylvania |
| 19 | Robert B Miles | 29 | Son-in-law | Proprietor | Pennsylvania |
| 20 | Mary L Miles | 28 | Daughter | School Teacher | Pennsylvania |
| 21 | Jesse C Alberdorf | 68 | Head | Night Watchman | Pennsylvania |
| 22 | Celia G Alberdorf | 41 | Wife | Sewer | Pennsylvania |
| 23 | Jesse C Alberdorf | 18 | Son | Truck Driver | Pennsylvania |
| 24 | Emanuel W Hartman | 53 | Head | Proprietor | Pennsylvania |
| 25 | Martha H Hartman | 52 | Wife | — | Pennsylvania |
| 26 | John W Hartman THIS PERSON | 27 | Son | Trucker | Pennsylvania |
| 27 | Gerald C Hartman | 29 | Son | School Teacher | Pennsylvania |
| 28 | Harriet Hartman | 23 | Daughter-in-law | School Teacher | Pennsylvania |
| 29 | Lydia M Creasy | 77 | Aunt | — | Pennsylvania |
| 30 | Elvesta Waters | 78 | Head | — | Pennsylvania |
| 31 | George S Waters | 50 | Son | Brakeman | Pennsylvania |
| 32 | Walter E Waters | 14 | Grandson | — | Pennsylvania |
| 33 | Clara N Harder | 78 | Head | — | Pennsylvania |
| 34 | Pauline M Harder | 48 | Neice | Housekeeper | Pennsylvania |
| 35 | Emma Mccarty | 52 | Head | Finisher | Pennsylvania |
| 36 | Benjamin F Hider | 46 | Head | — | Pennsylvania |
| 37 | Jane L Hider | 46 | Wife | — | Pennsylvania |
| 38 | Ronald S Hider | 15 | Son | — | Pennsylvania |
| 39 | Clinton C Mensch | 70 | Head | — | Pennsylvania |
| 40 | Cora B Mensch | 65 | Wife | — | Pennsylvania |
Pedigree Summary
John + 1 sibling
Gen 1 · 3 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)