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William Harvey — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lehigh-County, Pennsylvania
Our Model Tree links this William Harvey across the 1920, 1930 and 1940 US Censuses in Lehigh-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Thomas & Ella — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lehigh-County, Pennsylvania |
| Surname | Harvey |
| Given Name | William R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Allentown |
| 1935 Residence (County) | Lehigh |
| Additional Details | |
| Occupation | Laborer |
| Industry | Machine Shop |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Allentown |
| 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 William | Age | Birth yr |
|---|---|---|---|---|
| Jean Harvey | Daughter | — | 19 | ~1921 |
| Steward Harvey | Head | — | 53 | ~1887 |
| William Harvey | Son | — | 22 | ~1918 |
| Emma Harvey | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 1
Allegheny, Pennsylvania · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harvey |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lehigh, Pennsylvania
Son, age 12
Lehigh, Pennsylvania · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harvey |
| Given Name | William H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lehigh-County, Pennsylvania
Son, age 22
Lehigh-County, Pennsylvania · implied b. ~1918 — 4 household members
| Surname | Harvey |
| Given Name | William R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Allentown |
| 1935 Residence (County) | Lehigh |
| Occupation | Laborer |
| Industry | Machine Shop |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| 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 William Harvey across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Thomas Harvey (~0.92 confidence) and mother Ella Harvey (~0.92 confidence) and father Steward Harvey (~0.92 confidence) and mother Emma Harvey (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Harvey
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Ella Harvey
b. ~1886
Source mother
● Household
· direct · ~0.92
Father
Steward Harvey
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Emma Harvey
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Harvey
Son · 1940 · age 22 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
Jean Harvey
Sibling · 1940 · age 19
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-t0627-03544-00697)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Christian Hildebrand | 69 | Father in law | Laborer | Germany |
| 42 | George W Keitz | 37 | Head | Casing Cleaner | Pennsylvania |
| 43 | Mary R Keitz | 34 | Wife | Winder | Pennsylvania |
| 44 | Dorothy Keitz | 13 | Daughter | — | Pennsylvania |
| 45 | Gladys Keitz | 12 | Daughter | — | Pennsylvania |
| 46 | Eleanor Keitz | 10 | Daughter | — | Pennsylvania |
| 47 | Delores Keitz | 6 | Daughter | — | Pennsylvania |
| 48 | Mary A Ensley | 75 | Mother in law | — | Pennsylvania |
| 49 | Anthony Schmollback | 48 | Head | Laborer | Germany |
| 50 | Elizabeth Schmollback | 57 | Wife | — | Austria |
| 51 | Louisa Schmollback | 23 | Daughter | Inspector | Pennsylvania |
| 52 | Henry Schmollback | 22 | Son | Cabinet Maker | Pennsylvania |
| 53 | George Schmollback | 18 | Son | — | Pennsylvania |
| 54 | Wallace H Merkle | 32 | Head | Bill Poster | Pennsylvania |
| 55 | Lena Merkle | 45 | Wife | — | Switzerland |
| 56 | Freda Merkle | 8 | Daughter | — | Pennsylvania |
| 57 | Carl Kaltschmidt | 69 | Father | Ribbon Weaver | Switzerland |
| 58 | Charles Richard | 24 | Head | Truck Driver | Pennsylvania |
| 59 | Miriam Richard | 23 | Wife | — | Pennsylvania |
| 60 | Barbara Richard | 4 | Daughter | — | Pennsylvania |
| 61 | Charles Richard | 3 | Son | — | Pennsylvania |
| 62 | Herbert James | 36 | Head | Attendant | Pennsylvania |
| 63 | Genevieve James | 27 | Wife | — | Pennsylvania |
| 64 | Blair James | 7 | Son | — | Pennsylvania |
| 65 | Marilyn James | 6 | Daughter | — | Pennsylvania |
| 66 | Rowler Borry | 48 | Head | Truck Driver | Pennsylvania |
| 67 | Florence Borry | 45 | Wife | — | Pennsylvania |
| 68 | Thomas J Wallace | 40 | Head | Signal Maintainer | Pennsylvania |
| 69 | Catherine M Wallace | 39 | Wife | — | Pennsylvania |
| 70 | Catherine M Wallace | 20 | Daughter | Sewing Machine Operator | Pennsylvania |
| 71 | James J Wallace | 18 | Son | — | Pennsylvania |
| 72 | Martin Stellar | 47 | Head | Laborer | Hungary |
| 73 | Theresa Stellar | 45 | Wife | — | Hungary |
| 74 | Theresa Stellar | 24 | Daughter | Sewing Machine Operator | Pennsylvania |
| 75 | Martin Stellar | 18 | Son | — | Pennsylvania |
| 76 | William Stellar | 16 | Son | — | Pennsylvania |
| 77 | Steward Harvey | 53 | Head | Tool Setter | Pennsylvania |
| 78 | Emma Harvey | 49 | Wife | — | Pennsylvania |
| 79 | William R Harvey THIS PERSON | 22 | Son | Laborer | Pennsylvania |
| 80 | Jean Harvey | 19 | Daughter | Typist | Pennsylvania |
Pedigree Summary
William + 1 sibling
Gen 1 · 4 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)