RB
Robert Barr — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Mercer, Pennsylvania
Our Model Tree links this Robert Barr across the 1920 and 1930 US Censuses in Mercer, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 13-person household.
Age 13
b. ~1917
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Mercer, Pennsylvania |
| Surname | Barr |
| Given Name | Robert C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | East Lackawannock Township |
| Est. Birth Year | ~1917 |
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.
13 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Clifford Barr | Son | — | 11 | ~1919 |
| Anna Barr | Daughter | — | 8 | ~1922 |
| George Barr | Son | — | 1 | ~1929 |
| Nellie Barr | Daughter | — | 7 | ~1923 |
| Frances Barr | Daughter | — | 16 | ~1914 |
| Carrie Barr | Daughter | — | 10 | ~1920 |
| Betty Barr | Daughter | — | 5 | ~1925 |
| Teddy Barr | Son | — | 4 | ~1926 |
| Robert Barr | Son | — | 13 | ~1917 |
| Clinton Barr | Head | — | 37 | ~1893 |
| Sarah Barr | Spouse | — | 35 | ~1895 |
| Dorothy Barr | Daughter | — | 14 | ~1916 |
| William Barr | Other | — | 57 | ~1873 |
Census Appearances
1920
Mercer, Pennsylvania
Son, age 2
Mercer, Pennsylvania · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barr |
| Given Name | Robert C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Mercer, Pennsylvania
Son, age 13
Mercer, Pennsylvania · implied b. ~1917 — 13 household members
| Surname | Barr |
| Given Name | Robert C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| 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 2 US Census years (1920 and 1930) in Mercer, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Barr
Son · 1930 · age 13 · b. ~1917 · Pennsylvania
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Sibling
Carrie Barr
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Barr
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Barr
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Barr
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Barr
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifford Barr
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Barr
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Barr
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Teddy Barr
Sibling · 1930 · age 4
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 — Mercer, Pennsylvania
Open full size
1930 US Federal Census — Mercer, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2076:0415)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Walker | 63 | Head | Farmer | Pennsylvania |
| 2 | Mary Walker | 68 | Sister | — | Pennsylvania |
| 3 | Alfred R. Fowler | 73 | Head | Farmer | Pennsylvania |
| 4 | Clara A. Fowler | 71 | Wife | — | Pennsylvania |
| 5 | Blanche M. Fowler | 43 | Daughter | Teacher | Pennsylvania |
| 6 | Clara E. Williams | 58 | Head | — | Pennsylvania |
| 7 | Florence Heacock | 31 | Head | Horticulturist | Indiana |
| 8 | Mary Heacock | 28 | Wife | — | Pennsylvania |
| 9 | Foster L. Heacock | 7 | Son | — | Pennsylvania |
| 10 | Dorothy M. Heacock | 6 | Daughter | — | Pennsylvania |
| 11 | James W. Heacock | 5 | Son | — | Pennsylvania |
| 12 | Clinton H. Barr | 37 | Head | Painter | Pennsylvania |
| 13 | Sarah A. Barr | 35 | Wife | — | Pennsylvania |
| 14 | Frances R. Barr | 16 | Daughter | — | Pennsylvania |
| 15 | Dorothy M. Barr | 14 | Daughter | — | Pennsylvania |
| 16 | Robert C. Barr THIS PERSON | 13 | Son | — | Pennsylvania |
| 17 | Clifford H. Barr | 11 | Son | — | Pennsylvania |
| 18 | Carrie M. Barr | 10 | Daughter | — | Pennsylvania |
| 19 | Anna M. Barr | 8 | Daughter | — | Pennsylvania |
| 20 | Nellie E. Barr | 7 | Daughter | — | Pennsylvania |
| 21 | Betty Barr | 5 | Daughter | — | Pennsylvania |
| 22 | Teddy J. Barr | 4 | Son | — | Pennsylvania |
| 23 | George D. Barr | 1 | Son | — | Pennsylvania |
| 24 | William J. Barr | 57 | Father | — | Pennsylvania |
| 25 | Clarence R. Campbell | 36 | Head | Laborer | Pennsylvania |
| 26 | Alice M. Campbell | 30 | Wife | — | Pennsylvania |
| 27 | Evelyn M. Campbell | 11 | Daughter | — | Pennsylvania |
| 28 | Paul H. Campbell | 10 | Son | — | Pennsylvania |
| 29 | Elizabeth Forsythe | 68 | Head | House Keeper | Pennsylvania |
| 30 | Margaret Forsythe | 42 | Daughter | — | Pennsylvania |
| 31 | John B. Campbell | 69 | Head | Laborer | Pennsylvania |
| 32 | Ketta Campbell | 59 | Wife | — | Pennsylvania |
| 33 | Clifford F. Campbell | 29 | Son | Liveryman | Pennsylvania |
| 34 | Mary R. Campbell | 23 | Daughter | — | Pennsylvania |
| 35 | Thomas A. Campbell | 20 | Son | Laborer | Pennsylvania |
| 36 | Ruth M. Campbell | 16 | Daughter | — | Pennsylvania |
| 37 | Robert E. Percy | 44 | Head | Painter | Ohio |
| 38 | Adda Percy | 44 | Wife | — | Pennsylvania |
| 39 | Harold Percy | 19 | Son | Laborer | Ohio |
| 40 | Virginia M. Percy | 11 | Daughter | — | Pennsylvania |
| 41 | Stanley E. Percy | 9 | Son | — | Pennsylvania |
| 42 | Russell E. Percy | 7 | Son | — | Pennsylvania |
| 43 | Kenneth L. Percy | 5 | Son | — | Pennsylvania |
| 44 | Walter F. Flemming | 26 | Head | Salesman | Pennsylvania |
| 45 | Blanche F. Flemming | 27 | Wife | — | Pennsylvania |
| 46 | Betty J. Flemming | 5 | Daughter | — | Pennsylvania |
| 47 | George W. Flemming | 4 | Son | — | Pennsylvania |
| 48 | Earl F. Flemming | 2 | Son | — | Pennsylvania |
| 49 | John X. Zeigler | 56 | Head | Laborer | Pennsylvania |
| 50 | Nora M. Zeigler | 78 | Mother | — | Pennsylvania |
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)