RT
Robert Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · York-County, Pennsylvania
Our Model Tree links this Robert Thomas across the 1920, 1930 and 1940 US Censuses in York-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Abraham & Emma — first a head (b.~1895), then head of a 3-person household.
Age 45
b. ~1895
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | York-County, Pennsylvania |
| Surname | Thomas |
| Given Name | Robert M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | West Manchester Twp |
| 1935 Residence (County) | York |
| Additional Details | |
| Occupation | Weaver |
| Industry | Silk Cloth |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 936 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Weaver |
| Township / Ward | West Manchester Twp |
| Est. Birth Year | ~1895 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Thomas | Head | — | 45 | ~1895 |
| Henry Thomas | Son | — | 20 | ~1920 |
| Mabel Thomas | Spouse | — | 46 | ~1894 |
Census Appearances
1920
York, Pennsylvania
Son, age 27
York, Pennsylvania · implied b. ~1893 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Chain Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
York, Pennsylvania
Son, age 35
York, Pennsylvania · implied b. ~1895 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Robert F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
York-County, Pennsylvania
Head, age 45
York-County, Pennsylvania · implied b. ~1895 — 3 household members
| Surname | Thomas |
| Given Name | Robert M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | West Manchester Twp |
| 1935 Residence (County) | York |
| Occupation | Weaver |
| Industry | Silk Cloth |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 936 |
| 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 Robert Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Abraham Thomas (~0.92 confidence) and mother Emma Thomas (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Abraham Thomas
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Emma Thomas
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Thomas
Head · 1940 · age 45 · b. ~1895 · 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 — York-County, Pennsylvania
Open full size
1940 US Federal Census — York-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03641-00475)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert M. Thomas THIS PERSON | 45 | Head | Weaver | Pennsylvania |
| 2 | Mabel M. Thomas | 46 | Wife | — | Pennsylvania |
| 3 | Henry C. Thomas | 20 | Son | Packer | Pennsylvania |
| 4 | Elmer Bixler | 41 | Head | Weaver | Pennsylvania |
| 5 | Sadie I. Bixler | 38 | Wife | — | Pennsylvania |
| 6 | Irene M. Bixler | 17 | Daughter | — | Pennsylvania |
| 7 | Velma G. Bixler | 12 | Daughter | — | Pennsylvania |
| 8 | Harry G. Seipe | 46 | Head | Operator | Pennsylvania |
| 9 | Lottie E. Seipe | 45 | Wife | — | Pennsylvania |
| 10 | Paul E. Seipe | 19 | Son | Laborer | Pennsylvania |
| 11 | Beatrice L. Seipe | 16 | Daughter | — | Pennsylvania |
| 12 | Claude Amspacher | 38 | Head | Carpenter | Pennsylvania |
| 13 | Charles H. Bihler | 68 | Head | — | Pennsylvania |
| 14 | Elizabeth Bihler | 68 | Wife | — | Pennsylvania |
| 15 | Norman A. Kelly | 56 | Head | Operator | Pennsylvania |
| 16 | Edith J. Kelly | 51 | Wife | — | Pennsylvania |
| 17 | Margaret C. Kelly | 27 | Daughter | Binder Layer | Pennsylvania |
| 18 | Norman Jr. Kelly | 15 | Son | — | Pennsylvania |
| 19 | Betty M. Beaveron | 9 | Grand Daughter | — | Pennsylvania |
| 20 | Arthur Shelley | 59 | Head | Twister | Pennsylvania |
| 21 | Nettie L. Shelley | 50 | Wife | — | Pennsylvania |
| 22 | Arthur J. Shelley | 12 | Son | — | Pennsylvania |
| 23 | C. H. Knaub | 57 | Head | Operator | Pennsylvania |
| 24 | Elizabeth E. Knaub | 56 | Wife | — | Pennsylvania |
| 25 | Wm. J. Strayer | 31 | Head | Laborer | Pennsylvania |
| 26 | Leona B. Strayer | 21 | Wife | — | Pennsylvania |
| 27 | Albert S. Strayer | 1 | Son | — | Pennsylvania |
| 28 | Melvin Hoover | 49 | Head | Brakeman | Pennsylvania |
| 29 | Katie R. Hoover | 47 | Wife | — | Pennsylvania |
| 30 | Charles L. Hoover | 24 | Son | Laborer | Pennsylvania |
| 31 | Woodrow W. Hoover | 21 | Son | Laborer | Pennsylvania |
| 32 | Albert S. Hoover | 19 | Son | — | Pennsylvania |
| 33 | Isabelle E. Hoover | 14 | Daughter | — | Pennsylvania |
| 34 | Louise V. Hoover | 8 | Daughter | — | Pennsylvania |
| 35 | U. G. Hoover | 74 | Head | Operator | Pennsylvania |
| 36 | Amanda J. Hoover | 68 | Wife | — | Pennsylvania |
| 37 | John C. Hoover | 40 | Son | Helper | Pennsylvania |
| 38 | Martin L. Hoover | 42 | Son | Helper | Pennsylvania |
| 39 | Clara G. Hoover | 79 | Head | — | Pennsylvania |
| 40 | Rodger Witt | 40 | Head | Truck Driver | Pennsylvania |
Pedigree Summary
Robert
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)