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Bertha Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Snyder-County, Pennsylvania
Our Model Tree links this Bertha Thomas across the 1930 and 1940 US Censuses in Snyder-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 11-person household.
Age 14
b. ~1926
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Snyder-County, Pennsylvania |
| Surname | Thomas |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Spring Twp |
| 1935 Residence (County) | Snyder |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Spring Twp |
| Est. Birth Year | ~1926 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Beulah Thomas | Spouse | — | 32 | ~1908 |
| Ruth Thomas | Daughter | — | 4 | ~1936 |
| Catherine Thomas | Daughter | — | ~1940 | |
| John Thomas | Head | — | 38 | ~1902 |
| Glen Thomas | Son | — | 8 | ~1932 |
| Russell Thomas | Son | — | 13 | ~1927 |
| Beatrice Thomas | Daughter | — | 9 | ~1931 |
| Guy Dramer | Other | — | 19 | ~1921 |
| Bertha Thomas | Daughter | — | 14 | ~1926 |
| Albert Thomas | Son | — | 6 | ~1934 |
| John Thomas | Son | — | 2 | ~1938 |
Census Appearances
1930
Snyder, Pennsylvania
Daughter, age 4
Snyder, Pennsylvania · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Bertha E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Snyder-County, Pennsylvania
Daughter, age 14
Snyder-County, Pennsylvania · implied b. ~1926 — 11 household members
| Surname | Thomas |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Spring Twp |
| 1935 Residence (County) | Snyder |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 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 Bertha Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Bertha Thomas
Daughter · 1940 · age 14 · b. ~1926 · Pennsylvania
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Sibling
Russell Thomas
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Thomas
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Thomas
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Glen Thomas
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Thomas
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Thomas
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Thomas
Sibling · 1940 · age 2
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 — Snyder-County, Pennsylvania
Open full size
1940 US Federal Census — Snyder-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03608-00467)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eric Will | 9 | Son | — | Pennsylvania |
| 2 | Gladys Will | 5 | Daughter | — | Pennsylvania |
| 3 | Norman Will | 3 | Son | — | Pennsylvania |
| 4 | Luther M. Falk | 29 | Head | Laborer | Pennsylvania |
| 5 | Pauline S. Falk | 26 | Wife | — | Pennsylvania |
| 6 | James W. Falk | 9 | Son | — | Pennsylvania |
| 7 | Lucy Marie Falk | 8 | Daughter | — | Pennsylvania |
| 8 | John Thomas | 38 | Head | Farmer | Pennsylvania |
| 9 | Beulah Thomas | 32 | Wife | — | Pennsylvania |
| 10 | Bertha Thomas THIS PERSON | 14 | Daughter | — | Pennsylvania |
| 11 | Russell Thomas | 13 | Son | — | Pennsylvania |
| 12 | Beatrice Thomas | 9 | Daughter | — | Pennsylvania |
| 13 | Glen Thomas | 8 | Son | — | Pennsylvania |
| 14 | Albert Thomas | 6 | Son | — | Pennsylvania |
| 15 | Ruth Thomas | 4 | Daughter | — | Pennsylvania |
| 16 | John Thomas | 2 | Son | — | Pennsylvania |
| 17 | Catherine Thomas | 0 | Daughter | — | Pennsylvania |
| 18 | Guy Dramer | 19 | Nephew | Laborer | Pennsylvania |
| 19 | Milton Hostetler | 48 | Head | Farmer | Pennsylvania |
| 20 | Stella S. Hostetler | 45 | Wife | — | Pennsylvania |
| 21 | Roy Hostetler | 17 | Son | New Worker | Pennsylvania |
| 22 | David Hostetler | 15 | Son | New Worker | Pennsylvania |
| 23 | Bernice Hostetler | 11 | Daughter | — | Pennsylvania |
| 24 | Robert Hostetler | 9 | Son | — | Pennsylvania |
| 25 | Sarah Hostetler | 3 | Daughter | — | Pennsylvania |
| 26 | George Reich | 39 | Head | Stone Mason | Pennsylvania |
| 27 | Anna S. Reich | 33 | Wife | — | Pennsylvania |
| 28 | Harold Reich | 14 | Son | — | Pennsylvania |
| 29 | Julia Reich | 12 | Daughter | — | Pennsylvania |
| 30 | Marjorie Reich | 10 | Daughter | — | Pennsylvania |
| 31 | Richard Reich | 9 | Son | — | Pennsylvania |
| 32 | Helen Reich | 8 | Daughter | — | Pennsylvania |
| 33 | Donald Reich | 6 | Son | — | Pennsylvania |
| 34 | Marion Reich | 5 | Daughter | — | Pennsylvania |
| 35 | Phyllis Reich | 4 | Daughter | — | Pennsylvania |
| 36 | Dale Reich | 2 | Son | — | Pennsylvania |
| 37 | Carl Reich | 0 | Son | — | Pennsylvania |
| 38 | Charles E. Swartz | 34 | Head | Weaver | Pennsylvania |
| 39 | Esther Swartz | 32 | Wife | — | Pennsylvania |
| 40 | Carmen Swartz | 12 | Son | — | Pennsylvania |
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)