JH
John Herman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lehigh-County, Pennsylvania
Our Model Tree links this John Herman across the 1930 and 1940 US Censuses in Lehigh-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lehigh-County, Pennsylvania |
| Surname | Herman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Catasauqua borough |
| 1935 Residence (County) | Lehigh |
| Additional Details | |
| Occupation | Laborer |
| Industry | Brewery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 112 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Catasauqua Borough |
| Est. Birth Year | ~1919 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| George Herman | Son | — | 23 | ~1917 |
| Nicholas Herman | Son | — | 31 | ~1909 |
| Catherine Herman | Spouse | — | 56 | ~1884 |
| Catherine Herman | Daughter | — | 18 | ~1922 |
| John Herman | Son | — | 21 | ~1919 |
| Joseph Herman | Son | — | 25 | ~1915 |
| George Herman | Head | — | 54 | ~1886 |
Census Appearances
1930
Lehigh, Pennsylvania
Son, age 11
Lehigh, Pennsylvania · implied b. ~1919 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Herman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lehigh-County, Pennsylvania
Son, age 21
Lehigh-County, Pennsylvania · implied b. ~1919 — 7 household members
| Surname | Herman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Catasauqua borough |
| 1935 Residence (County) | Lehigh |
| Occupation | Laborer |
| Industry | Brewery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 112 |
| 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 John Herman across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Herman
Son · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
Joseph Herman
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Herman
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nicholas Herman
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Herman
Sibling · 1940 · age 18
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 — Lehigh-County, Pennsylvania
Open full size
1940 US Federal Census — Lehigh-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03546-00032)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary S Hudy | 56 | Head | — | Czechoslovakia |
| 42 | Mary Schomsky | 31 | Daughter | — | Pennsylvania |
| 43 | Mary Schomsky | 11 | Daughter | — | Pennsylvania |
| 44 | Barney Kratzer | 47 | Head | Clerk | Pennsylvania |
| 45 | Grace B Werner | 29 | Housekeeper | Housekeeper | Pennsylvania |
| 46 | Barney Kratzer | 15 | Son | — | Pennsylvania |
| 47 | Robert Kratzer | 6 | Son | — | Pennsylvania |
| 48 | Eugene Kratzer | 5 | Son | — | Pennsylvania |
| 49 | Dolores Kratzer | 4 | Daughter | — | Pennsylvania |
| 50 | George Kratzer | 1 | Son | — | Pennsylvania |
| 51 | George Herman | 54 | Head | Laborer | Czechoslovakia |
| 52 | Catherine Herman | 56 | Wife | — | Czechoslovakia |
| 53 | Nicholas Herman | 31 | Son | Laborer | Pennsylvania |
| 54 | Joseph Herman | 25 | Son | Presser | Pennsylvania |
| 55 | George Herman | 23 | Son | Shipping Clerk | Pennsylvania |
| 56 | John Herman THIS PERSON | 21 | Son | Laborer | Pennsylvania |
| 57 | Catherine Herman | 18 | Daughter | — | Pennsylvania |
| 58 | Alexander Ohawk | 57 | Head | Laborer | Czechoslovakia |
| 59 | Susan Ohawk | 48 | Wife | — | Czechoslovakia |
| 60 | Stephen Ohawk | 17 | Son | — | Pennsylvania |
| 61 | Andrew Ohawk | 15 | Son | — | Pennsylvania |
| 62 | Pauline Ohawk | 11 | Daughter | — | Pennsylvania |
| 63 | Josephine Ohawk | 9 | Daughter | — | Pennsylvania |
| 64 | Victoria Zunzi | 51 | Head | Maid | Czechoslovakia |
| 65 | Alfred Merkel | 31 | Head | Laborer | Pennsylvania |
| 66 | Edna Merkel | 30 | Wife | — | Pennsylvania |
| 67 | Frederick Merkel | 9 | Son | — | Pennsylvania |
| 68 | Catherine Merkel | 5 | Daughter | — | Pennsylvania |
| 69 | Carl Merkel | 3 | Son | — | Pennsylvania |
| 70 | Anna Mihalick | 53 | Head | — | Czechoslovakia |
| 71 | Paul Jr Mihalick | 30 | Son | — | Pennsylvania |
| 72 | Samuel Mihalick | 21 | Son | Clerical Work | Pennsylvania |
| 73 | Anna Mihalick | 19 | Daughter | Packer | Pennsylvania |
| 74 | Michael Lucas | 53 | Head | Boiler Repairman | Czechoslovakia |
| 75 | Caroline Lucas | 49 | Wife | — | Czechoslovakia |
| 76 | Margaret Lucas | 28 | Daughter | Servant | Pennsylvania |
| 77 | Elizabeth Lucas | 26 | Daughter | Servant | Pennsylvania |
| 78 | Pauline Lucas | 24 | Daughter | Saleslady | Pennsylvania |
| 79 | Helen Lucas | 22 | Daughter | Saleslady | Pennsylvania |
| 80 | Paul Lucas | 20 | Son | New Worker | Pennsylvania |
Related Census Records
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)