WB
William Barr — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Carroll, Maryland
Our Model Tree links this William Barr across the 1920 and 1930 US Censuses in Carroll, Maryland (XGBoost, ~Confirmed) — first a head (b.~1873), then head of a 6-person household.
Age 57
b. ~1873
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Carroll, Maryland |
| Surname | Barr |
| Given Name | William T |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 22 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Laborer |
| Industry | State Road |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 5 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Westminster District 7 Pt |
| Est. Birth Year | ~1873 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| George Barr | Son | — | 18 | ~1912 |
| William Barr | Head | — | 57 | ~1873 |
| Mary Barr | Daughter | — | 17 | ~1913 |
| Sarah Barr | Daughter | — | 14 | ~1916 |
| Ralph Barr | Son | — | 21 | ~1909 |
| Mary Barr | Spouse | — | 56 | ~1874 |
Census Appearances
1920
Carroll, Maryland
Head, age 47
Carroll, Maryland · implied b. ~1873 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barr |
| Given Name | William F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Year of Naturalization | R |
| Birthplace (normalized) | maryland |
1930
Carroll, Maryland
Head, age 57
Carroll, Maryland · implied b. ~1873 — 6 household members
| Surname | Barr |
| Given Name | William T |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 22 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | State Road |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 5 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 William Barr across 2 US Census years (1920 and 1930) in Carroll, Maryland, using XGBoost record linkage.
Show:
This person
Anchor record
William Barr
Head · 1930 · age 57 · b. ~1873 · Maryland
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Carroll, Maryland
Open full size
1930 US Federal Census — Carroll, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus872unit:0518)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ornelle J Zepp | 24 | Head | Hauler | Maryland |
| 2 | Anna M Zepp | 23 | Wife | — | Maryland |
| 3 | Wilbur H Zepp | 18 | Head | Laborer | Maryland |
| 4 | Nellie E Zepp | 18 | Wife | — | Maryland |
| 5 | Orville G Zepp | 44 | Head | Farmer | Maryland |
| 6 | Virgie L Zepp | 41 | Wife | — | Maryland |
| 7 | Melvin F Zepp | 12 | Son | — | Maryland |
| 8 | Austin R Zepp | 11 | Son | — | Maryland |
| 9 | Emery C Zepp | 9 | Son | — | Maryland |
| 10 | Kenneth G Zepp | 5 | Son | — | Maryland |
| 11 | David E Hook | 57 | Head | Farmer | Maryland |
| 12 | Louise M Hook | 53 | Wife | — | Maryland |
| 13 | Mary L Hook | 19 | Daughter | — | Maryland |
| 14 | Martha E Hook | 15 | Daughter | — | Maryland |
| 15 | Elsie M Hook | 11 | Daughter | — | Maryland |
| 16 | William F Hook | 8 | Son | — | Maryland |
| 17 | Henry R Stem | 38 | Head | Farmer | Maryland |
| 18 | Ethel A Stem | 33 | Wife | — | Maryland |
| 19 | Edith M Stem | 12 | Daughter | — | Maryland |
| 20 | Robert M Stem | 10 | Son | — | Maryland |
| 21 | Frances M Stem | 8 | Daughter | — | Maryland |
| 22 | Joseph G Stem | 7 | Son | — | Maryland |
| 23 | William T Barr THIS PERSON | 57 | Head | Laborer | Maryland |
| 24 | Mary E Barr | 56 | Wife | — | Maryland |
| 25 | Ralph A Barr | 21 | Son | Laborer | Maryland |
| 26 | George F Barr | 18 | Son | — | Maryland |
| 27 | Mary E Barr | 17 | Daughter | — | Maryland |
| 28 | Sarah E Barr | 14 | Daughter | — | Maryland |
| 29 | Richard B Owings | 64 | Head | Farmer | Maryland |
| 30 | Anna E Owings | 55 | Wife | — | Maryland |
| 31 | Richard D Owings | 24 | Son | Laborer | Maryland |
| 32 | Anna S Owings | 24 | Daughter | — | Maryland |
| 33 | Otto O Owings | 15 | Son | — | Maryland |
| 34 | Sterling Stater | 28 | Head | Laborer | Maryland |
| 35 | Eva E Stater | 20 | Wife | — | Maryland |
| 36 | Sterling E Stater | 2 | Son | — | Maryland |
| 37 | Herbert P Owings | 30 | Head | Farmer | Maryland |
| 38 | Mary V Owings | 31 | Wife | — | Maryland |
| 39 | J Monroe Owings | 32 | Head | Cutter | Maryland |
| 40 | Gertrude Owings | 27 | Wife | Stayer | Maryland |
| 41 | Dorothy V Owings | 11 | Daughter | — | Maryland |
| 42 | Gertrude S Owings | 10 | Daughter | — | Maryland |
| 43 | James M B Owings | 67 | Head | Farmer | Maryland |
| 44 | Willard J Stem | 24 | Head | Laborer | Maryland |
| 45 | Stella M Stem | 19 | Wife | — | W. Virginia |
| 46 | Jesse P Barr | 55 | Head | Laborer | Maryland |
| 47 | Cora Barr | 55 | Wife | — | Maryland |
| 48 | Harry M Barr | 33 | Head | Farmer | Maryland |
| 49 | Sarah P Barr | 34 | Wife | — | Maryland |
| 50 | Jesse R Barr | 12 | Son | — | Maryland |
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)