RB
Robert Barr — 1930 US Census Record
Model Tree available1930 United States Federal Census · Delaware, Pennsylvania
Our Model Tree links this Robert Barr across the 1910, 1920 and 1930 US Censuses in Delaware, Pennsylvania (XGBoost, ~Confirmed), with identified parents Thomas & Georgia — first a son (b.~1900), then head of a 8-person household.
Age 30
b. ~1900
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Delaware, Pennsylvania |
| Surname | Barr |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Machinist |
| Industry | Locomotive |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Machinist |
| Township / Ward | Oakmont Village |
| Est. Birth Year | ~1900 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Raymond Davidson | Other | — | 3 | ~1927 |
| Gladys Barr | Daughter | — | 22 | ~1908 |
| Thomas Barr | Head | — | 61 | ~1869 |
| Virginia Davidson | Other | — | 25 | ~1905 |
| Dorothy Barr | Daughter | — | 24 | ~1906 |
| Robert Barr | Son | — | 30 | ~1900 |
| Ella Barr | Daughter | — | 28 | ~1902 |
| Raymond Davidson | Other | — | 27 | ~1903 |
Census Appearances
1910
Delaware, Pennsylvania
Son, age 10
Delaware, Pennsylvania · implied b. ~1900 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barr |
| Given Name | Robert G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Delaware, Pennsylvania
Son, age 19
Delaware, Pennsylvania · implied b. ~1901 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barr |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Inspector |
| Industry | Street Rwy. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Delaware, Pennsylvania
Son, age 30
Delaware, Pennsylvania · implied b. ~1900 — 8 household members
| Surname | Barr |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Machinist |
| Industry | Locomotive |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 (1910, 1920 and 1930) in Delaware, Pennsylvania, using XGBoost record linkage. Identified parents: father Thomas Barr (~0.92 confidence) and mother Georgia Barr (~0.92 confidence) and mother Teresa Barr (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Barr
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Georgia Barr
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Teresa Barr
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Barr
Son · 1930 · age 30 · b. ~1900 · Pennsylvania
★ You are viewing this record
Sibling
Gladys Barr
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ella Barr
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Barr
Sibling · 1930 · age 24
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
1930 US Federal Census — Delaware, Pennsylvania
Open full size
1930 US Federal Census — Delaware, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2031:0690)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Josephine Mcclelland | 5 | Daughter | None | Pennsylvania |
| 52 | Virginia M. Mcclelland | 2 | Daughter | None | Pennsylvania |
| 53 | James Schofield | 30 | Head | Carpenter | England |
| 54 | Violet M. Schofield | 23 | Wife-H | None | Pennsylvania |
| 55 | James Jr. Schofield | 7 | Son | None | Pennsylvania |
| 56 | Robert L. Schofield | 4 | Son | None | Pennsylvania |
| 57 | Della M. Schofield | 1 | Daughter | None | Pennsylvania |
| 58 | Charles Spencer | 30 | Head | Carpenter | Pennsylvania |
| 59 | Gertrude Spencer | 31 | Wife-H | None | Pennsylvania |
| 60 | Charles Jr. Spencer | 9 | Son | None | Pennsylvania |
| 61 | Betty J. Spencer | 2 | Daughter | None | Pennsylvania |
| 62 | William E. Spencer | 0 | Son | None | Pennsylvania |
| 63 | John Althouse | 34 | Head | Painter | Pennsylvania |
| 64 | Eva Althouse | 37 | Wife-H | None | New York |
| 65 | Thomas E. Barr | 61 | Head | None | Pennsylvania |
| 66 | Robert E. Barr THIS PERSON | 30 | Son | Machinist | Pennsylvania |
| 67 | Ella I. Barr | 28 | Daughter | Cashier | Pennsylvania |
| 68 | Dorothy M. Barr | 24 | Daughter | None | Pennsylvania |
| 69 | Gladys R. Barr | 22 | Daughter | Operator | Pennsylvania |
| 70 | Raymond Davidson | 27 | Son-in-law | Policeman | Illinois |
| 71 | Virginia R. Davidson | 25 | Daughter-V | None | Pennsylvania |
| 72 | Raymond Jr. Davidson | 3 | Grandson | None | Pennsylvania |
| 73 | John Murphy | 45 | Head | Mechanic | Irish Free State |
| 74 | Anna Murphy | 41 | Wife-H | None | Irish Free State |
| 75 | Margaret Murphy | 14 | Daughter | None | Pennsylvania |
| 76 | James Murphy | 10 | Son | None | Pennsylvania |
| 77 | Agnes Murphy | 5 | Daughter | None | Pennsylvania |
| 78 | Esther Murphy | 4 | Daughter | None | Pennsylvania |
| 79 | Christian Keller | 48 | Head | Paper Hanger | Pennsylvania |
| 80 | Margaret Keller | 39 | Wife-H | None | Pennsylvania |
| 81 | Joseph Rheinheart | 16 | Lodger | None | Pennsylvania |
| 82 | John J. Morris | 47 | R | Inspector | Pennsylvania |
| 83 | Emma Morris | 42 | Wife-H | None | Pennsylvania |
| 84 | John Jr. Morris | 16 | Son | None | Pennsylvania |
| 85 | Richard Morris | 13 | Son | None | Pennsylvania |
| 86 | Rosalie Morris | 8 | Daughter | None | Pennsylvania |
| 87 | James Morris | 4 | Son | None | Pennsylvania |
| 88 | Herbert Long | 25 | Head | Carpenter | Pennsylvania |
| 89 | Ethel Long | 25 | Wife-H | None | Pennsylvania |
| 90 | Marion Long | 2 | Daughter | None | Pennsylvania |
| 91 | Wall. James | 45 | Head | Sheet Metal | Pennsylvania |
| 92 | Ella James | 30 | Wife-H | None | Pennsylvania |
| 93 | James Jr. James | 5 | Son | None | Pennsylvania |
| 94 | Debra James | 2 | Son | None | Pennsylvania |
| 95 | William Davies | 38 | Head | Office | Pennsylvania |
| 96 | Marion Davies | 37 | Wife-H | None | Pennsylvania |
| 97 | Robert Davies | 6 | Son | None | Pennsylvania |
| 98 | June Davies | 2 | Daughter | None | Pennsylvania |
| 99 | William Bentley | 17 | Step-Son | Printer | Pennsylvania |
| 100 | Elizabeth Bentley | 14 | Step-Daughter | None | Pennsylvania |
Pedigree Summary
Robert + 3 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)