RB
Robert Barr — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lancaster-County, Pennsylvania
Our Model Tree links this Robert Barr across the 1920, 1930 and 1940 US Censuses in Lancaster-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1909), then head of a 3-person household.
Age 31
b. ~1909
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lancaster-County, Pennsylvania |
| Surname | Barr |
| Given Name | Robert H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | West Lampeter |
| 1935 Residence (County) | Lancaster |
| Additional Details | |
| Occupation | Clerk |
| Industry | General Store |
| Class of Worker | PW |
| Hours Worked | 63 |
| Income (1939) | 1475 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | West Lampeter |
| Est. Birth Year | ~1909 |
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 Barr | Head | — | 31 | ~1909 |
| Marian Barr | Daughter | — | 8 | ~1932 |
| Irene Barr | Spouse | — | 31 | ~1909 |
Census Appearances
1920
Lancaster, Pennsylvania
Other, age 11
Lancaster, Pennsylvania · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barr |
| Given Name | Robert H |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lancaster, Pennsylvania
Other, age 21
Lancaster, Pennsylvania · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barr |
| Given Name | Robert N. |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Salesman |
| Industry | Meat Store |
| Class of Worker | W |
| Can Read/Write | No |
| Veteran | no |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lancaster-County, Pennsylvania
Head, age 31
Lancaster-County, Pennsylvania · implied b. ~1909 — 3 household members
| Surname | Barr |
| Given Name | Robert H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | West Lampeter |
| 1935 Residence (County) | Lancaster |
| Occupation | Clerk |
| Industry | General Store |
| Class of Worker | PW |
| Hours Worked | 63 |
| Income (1939) | 1475 |
| Highest Grade | 8 |
| 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 Robert Barr across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Barr
Head · 1940 · age 31 · b. ~1909 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Lancaster-County, Pennsylvania
Open full size
1940 US Federal Census — Lancaster-County, Pennsylvania
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-03535-00748)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Maurice W. Landis | 26 | Head | Gen. Office Mgr. | Pennsylvania |
| 2 | Velma Landis | 29 | Wife | — | Virginia |
| 3 | Maurice W. Jr. Landis | 1 | Son | — | Pennsylvania |
| 4 | Beatrice A. Hartman | 11 | Foster-child | — | Pennsylvania |
| 5 | Casper K. Baumbach | 35 | Head | 61 | Pennsylvania |
| 6 | Alma A. Baumbach | 30 | Wife | — | Pennsylvania |
| 7 | Joan S. Baumbach | 6 | Daughter | — | Pennsylvania |
| 8 | Alma A. Baumbach | 3 | Daughter | — | Pennsylvania |
| 9 | Frank X. Hess | 37 | Head | Farmer | Pennsylvania |
| 10 | Anna M. Hess | 39 | Wife | — | Pennsylvania |
| 11 | Roy G. Hess | 13 | Son | — | Pennsylvania |
| 12 | Ruth A. Hess | 11 | Daughter | — | Pennsylvania |
| 13 | J. Paul Hess | 6 | Son | — | Pennsylvania |
| 14 | Ralla Ehnert | 24 | Hired Hand | Hired Man | Pennsylvania |
| 15 | Hiram B. Koutner | 80 | Head | Farmer | Pennsylvania |
| 16 | Jennie L. Fritz | 69 | Housekeeper | Housekeeper | Pennsylvania |
| 17 | Paul W. Dull | 33 | Head | Die-Setter | Pennsylvania |
| 18 | Anna E. Dull | 32 | Wife | — | Pennsylvania |
| 19 | Robert H. Barr THIS PERSON | 31 | Head | Clerk | Pennsylvania |
| 20 | Irene M. Barr | 31 | Wife | — | Pennsylvania |
| 21 | Marian F. Barr | 8 | Daughter | — | Pennsylvania |
| 22 | Aldus M. Lefever | 48 | Head | Laborer | Pennsylvania |
| 23 | Lydia A. Lefever | 45 | Wife | — | Pennsylvania |
| 24 | Abram P. Martini | 19 | Son-in-law | Dairy Delivery | Pennsylvania |
| 25 | Martha E. Martini | 21 | Daughter | — | Pennsylvania |
| 26 | Harry R. Gultzbach | 34 | Head | Chemist | Pennsylvania |
| 27 | Mildred A. Gultzbach | 33 | Wife | — | Pennsylvania |
| 28 | Shirley Anne Gultzbach | 9 | Daughter | — | Pennsylvania |
| 29 | Robert A. Gultzbach | 8 | Son | — | Pennsylvania |
| 30 | Lewis Jensen | 52 | Head | Tobacco Packer | Pennsylvania |
| 31 | Netta Jensen | 48 | Wife | — | Pennsylvania |
| 32 | Glenn Jensen | 15 | Son | — | Pennsylvania |
| 33 | Adam A. Dunlap | 78 | Head | — | Pennsylvania |
| 34 | Elizabeth L. Dunlap | 46 | Daughter | Farm Hand | Pennsylvania |
| 35 | A. Earl Dunlap | 40 | Son | Advertising Mgr. | Pennsylvania |
| 36 | Paul F. Dunlap | 29 | Head | Laborer | Pennsylvania |
| 37 | Eleanor J. Dunlap | 27 | Wife | Laborer | Pennsylvania |
| 38 | — | None | — | Housework | — |
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)