WR
William Roth — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Pennsylvania
Our Model Tree links this William Roth across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Ernest & Florence — first a son (b.~1915), then head of a 7-person household.
Age 25
b. ~1915
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Pennsylvania |
| Surname | Roth |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Cheltenham Twp |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Tank builder |
| Industry | Wooden Tanks |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Tank Builder |
| Township / Ward | Cheltenham Twp |
| Est. Birth Year | ~1915 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Roth | Son | — | 25 | ~1915 |
| Laura Roth | Daughter | — | 20 | ~1920 |
| Elizabeth Roth | Daughter | — | 21 | ~1919 |
| Ernest Roth | Head | — | 62 | ~1878 |
| Leon Roth | Son | — | 17 | ~1923 |
| Robert Roth | Son | — | 28 | ~1912 |
| Anna Roth | Daughter | — | 30 | ~1910 |
Census Appearances
1920
Montgomery, Pennsylvania
Son, age 4
Montgomery, Pennsylvania · implied b. ~1916 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roth |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Switzerland |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Montgomery, Pennsylvania
Son, age 16
Montgomery, Pennsylvania · implied b. ~1914 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roth |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Switzerland |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Montgomery-County, Pennsylvania
Son, age 25
Montgomery-County, Pennsylvania · implied b. ~1915 — 7 household members
| Surname | Roth |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Cheltenham Twp |
| 1935 Residence (County) | Montgomery |
| Occupation | Tank builder |
| Industry | Wooden Tanks |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | H-3 |
| 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 William Roth across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ernest Roth (~0.92 confidence) and mother Florence Roth (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ernest Roth
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Florence Roth
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Roth
Son · 1940 · age 25 · b. ~1915 · Pennsylvania
★ You are viewing this record
Sibling
Anna Roth
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Roth
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leon Roth
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Roth
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Laura Roth
Sibling · 1940 · age 20
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 — 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-t0627-03577-00353)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ernest Roth | 62 | Head | Tank Builder | Switzerland |
| 2 | Anna B. Roth | 30 | Daughter | Stenographer | Pennsylvania |
| 3 | Robert Roth | 28 | Son | Tank Builder | Pennsylvania |
| 4 | William Roth THIS PERSON | 25 | Son | Tank Builder | Pennsylvania |
| 5 | Elizabeth Roth | 21 | Daughter | — | Pennsylvania |
| 6 | Laura Roth | 20 | Daughter | — | Pennsylvania |
| 7 | Leon Roth | 17 | Son | — | Pennsylvania |
| 8 | Casimir Geibel | 63 | Head | Commercial Artist | Pennsylvania |
| 9 | Mary Geibel | 55 | Wife | — | Pennsylvania |
| 10 | Casimir, Jr. Geibel | 33 | Son | Draftsman | Pennsylvania |
| 11 | Viola A. Geibel | 32 | Daughter | Stenographer | Pennsylvania |
| 12 | Charles Markey | 56 | Lodger | Watchman | Pennsylvania |
| 13 | Charles T. Trout | 36 | Head | Inspector | New Jersey |
| 14 | Ruth I. Trout | 30 | Wife | — | Pennsylvania |
| 15 | Robert A. Mcneil | 36 | Head | Office Clerk | Tennessee |
| 16 | Alice Mcneil | 39 | Wife | — | Virginia |
| 17 | Mary Jane Mcneil | 5 | Daughter | — | Pennsylvania |
| 18 | William A. Fritsch | 38 | Head | Tool Inspector | Pennsylvania |
| 19 | Catherine G. Fritsch | 33 | Wife | — | Pennsylvania |
| 20 | Delores T. Fritsch | 12 | Daughter | — | Pennsylvania |
| 21 | William A. Fritsch | 10 | Son | — | Pennsylvania |
| 22 | Caryl Fritsch | 8 | Daughter | — | Pennsylvania |
| 23 | Patricia Fritsch | 3 | Daughter | — | Pennsylvania |
| 24 | Albert J. Oldham | 48 | Head | Plant Grower | Pennsylvania |
| 25 | Anna M. Oldham | 51 | Wife | — | Pennsylvania |
| 26 | Anna M. Oldham | 21 | Daughter | — | Pennsylvania |
| 27 | Albert J. Oldham | 16 | Son | — | Pennsylvania |
| 28 | William Felten | 69 | Lodger | Handyman | Pennsylvania |
| 29 | Phebe E. Krewson | 76 | Head | — | Pennsylvania |
| 30 | Mary A. Lewis | 69 | Head | — | Pennsylvania |
| 31 | Beatrice E. Fisher | 28 | Granddaughter | Stenographer | Pennsylvania |
| 32 | George J. Edelmann | 47 | Head | Truck Driver | Pennsylvania |
| 33 | Mae M. Edelmann | 45 | Wife | — | Pennsylvania |
| 34 | Albert G. Edelmann | 21 | Son | Crater | Pennsylvania |
| 35 | Harold S. Harvey | 31 | Head | Roofer | Pennsylvania |
| 36 | Helen M. Harvey | 32 | Wife | — | Pennsylvania |
| 37 | Harold S. Harvey | 10 | Son | — | Pennsylvania |
| 38 | Roy L. Harvey | 9 | Son | — | Pennsylvania |
| 39 | Patricia J. Harvey | 8 | Daughter | — | Pennsylvania |
| 40 | Lawrence R. Harvey | 1 | Son | — | Pennsylvania |
Pedigree Summary
William + 5 siblings
Gen 1 · 2 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)