HZ
Harry Zimmerman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Blair-County, Pennsylvania
Our Model Tree links this Harry Zimmerman across the 1920, 1930 and 1940 US Censuses in Blair-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Mary — first a head (b.~1900), then head of a 6-person household.
Age 40
b. ~1900
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Blair-County, Pennsylvania |
| Surname | Zimmerman |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Altoona City |
| 1935 Residence (County) | Blair |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Coal Industry |
| Class of Worker | OA |
| Hours Worked | 40 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Truck Driver |
| Township / Ward | Altoona City |
| Est. Birth Year | ~1900 |
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 Harry | Age | Birth yr |
|---|---|---|---|---|
| Gordon Zimmerman | Son | — | 4 | ~1936 |
| Dorothy Zimmerman | Daughter | — | 15 | ~1925 |
| Jack Zimmerman | Son | — | 14 | ~1926 |
| Pauline Zimmerman | Daughter | — | 18 | ~1922 |
| Harry Zimmerman | Head | — | 40 | ~1900 |
| Marie Zimmerman | Spouse | — | 38 | ~1902 |
Census Appearances
1920
Blair, Pennsylvania
Son, age 19
Blair, Pennsylvania · implied b. ~1901 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Truck driver |
| Industry | Contracting Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Blair, Pennsylvania
Head, age 29
Blair, Pennsylvania · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 19 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Cement Mixer |
| Industry | Const. Company |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 18 |
| Radio Set | R |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Blair-County, Pennsylvania
Head, age 40
Blair-County, Pennsylvania · implied b. ~1900 — 6 household members
| Surname | Zimmerman |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Altoona City |
| 1935 Residence (County) | Blair |
| Occupation | Truck Driver |
| Industry | Coal Industry |
| Class of Worker | OA |
| Hours Worked | 40 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Harry Zimmerman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Zimmerman (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Zimmerman
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Zimmerman
Head · 1940 · age 40 · b. ~1900 · Pennsylvania
★ 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 — Blair-County, Pennsylvania
Open full size
1940 US Federal Census — Blair-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03437-00790)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William E Plowman | 15 | Son | — | Pennsylvania |
| 2 | Wayne Plowman | 11 | Son | — | Pennsylvania |
| 3 | Lloyd S Enworthy | 31 | Head | Bricklayer Tender | Pennsylvania |
| 4 | Alice Enworthy | 27 | Wife | — | Pennsylvania |
| 5 | John Enworthy | 12 | Son | — | Pennsylvania |
| 6 | Joyce Enworthy | 9 | Daughter | — | Pennsylvania |
| 7 | Lloyd Enworthy | 7 | Son | — | Pennsylvania |
| 8 | Paul Enworthy | 5 | Son | — | Pennsylvania |
| 9 | Ethel Enworthy | 2 | Daughter | — | Pennsylvania |
| 10 | Kenneth Enworthy | 0 | Son | — | Pennsylvania |
| 11 | Theodore Wertz | 35 | Head | Truck Driver | Pennsylvania |
| 12 | Elva Wertz | 36 | Wife | — | Pennsylvania |
| 13 | Jennie Wertz | 10 | Daughter | — | Pennsylvania |
| 14 | Taddie Wertz | 9 | Son | — | Pennsylvania |
| 15 | Martha Wertz | 7 | Daughter | — | Pennsylvania |
| 16 | Doris Wertz | 2 | Daughter | — | Pennsylvania |
| 17 | Ronald Wertz | 0 | Son | — | Pennsylvania |
| 18 | George F Hoover | 23 | Head | Laborer | Pennsylvania |
| 19 | Marion E Hoover | 20 | Wife | — | Pennsylvania |
| 20 | George F Jr Hoover | 1 | Son | — | Pennsylvania |
| 21 | Lawrence Hoover | 0 | Son | — | Pennsylvania |
| 22 | John W Weyant | 36 | Head | Laborer | Pennsylvania |
| 23 | Mildred R Weyant | 25 | Wife | — | Pennsylvania |
| 24 | Beverly Weyant | 5 | Daughter | — | Pennsylvania |
| 25 | Ruth Weyant | 3 | Daughter | — | Pennsylvania |
| 26 | Kenneth W Knoll | 26 | Head | Laborer | Pennsylvania |
| 27 | Martha Knoll | 21 | Wife | — | Pennsylvania |
| 28 | Patricia Knoll | 2 | Daughter | — | Pennsylvania |
| 29 | Harry Zimmerman THIS PERSON | 40 | Head | Truck Driver | Pennsylvania |
| 30 | Marie Zimmerman | 38 | Wife | — | Pennsylvania |
| 31 | Pauline Zimmerman | 18 | Daughter | New Worker | Pennsylvania |
| 32 | Dorothy Zimmerman | 15 | Daughter | — | Pennsylvania |
| 33 | Jack Zimmerman | 14 | Son | — | Pennsylvania |
| 34 | Gordon Zimmerman | 4 | Son | — | Pennsylvania |
| 35 | Hugh P Brandt | 54 | Head | Machinist | Pennsylvania |
| 36 | Rose E Brandt | 53 | Wife | — | Pennsylvania |
| 37 | Richard I Brandt | 20 | Son | Laborer | Pennsylvania |
| 38 | Anna Butler Brumm | 48 | Head | — | Austria |
| 39 | Anna Brumm | 75 | Wife | — | Austria |
| 40 | Louis Brumm | 42 | Son | Laborer | Pennsylvania |
Pedigree Summary
Harry
Gen 1 · 1 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)