WC
William Carr — 1930 US Census Record
Model Tree available1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this William Carr across the 1910, 1920 and 1930 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed), with identified parents John & Mary — first a son (b.~1908), then head of a 7-person household.
Age 22
b. ~1908
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Carr |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Chauffeur |
| Industry | Beer Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Chauffeur |
| Township / Ward | Boston City |
| Est. Birth Year | ~1908 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Catherine Carr | Daughter | — | 24 | ~1906 |
| Helen Carr | Daughter | — | 14 | ~1916 |
| Evelyn Carr | Daughter | — | 17 | ~1913 |
| John Carr | Head | — | 55 | ~1875 |
| William Carr | Son | — | 22 | ~1908 |
| Harold Carr | Son | — | 11 | ~1919 |
| Mary Carr | Spouse | — | 55 | ~1875 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 3
Middlesex, Massachusetts · implied b. ~1907 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carr |
| Given Name | William L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 12
Middlesex, Massachusetts · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carr |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 22
Suffolk, Massachusetts · implied b. ~1908 — 7 household members
| Surname | Carr |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Chauffeur |
| Industry | Beer Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Carr across 3 US Census years (1910, 1920 and 1930) in 2 locations, using XGBoost record linkage. Identified parents: father John Carr (~0.92 confidence) and mother Mary Carr (~0.92 confidence) and mother Josephine Carr (~0.92 confidence) and father James Carr (~0.92 confidence) and father James Carr (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Carr
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Mary Carr
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Josephine Carr
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
James Carr
b. ~1879
Source father
● Household
· direct · ~0.92
Father
James Carr
b. ~1880
Source father
● Household
· direct · ~0.92
This person
Anchor record
William Carr
Son · 1930 · age 22 · b. ~1908 · Massachusetts
★ You are viewing this record
Sibling
Helen Carr
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Carr
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Carr
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Carr
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 — Suffolk, Massachusetts
Open full size
1930 US Federal Census — Suffolk, Massachusetts
Page Contents
49 people indexed on this census page (ia:1930:massachusettscensus00reel951:0808)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Tony Gony | 26 | — | Laborer | Massachusetts |
| 52 | Dominick Gony | 24 | Son | Laborer | Massachusetts |
| 53 | Salvatore Gony | 17 | Son | Clerk | Massachusetts |
| 54 | Rose Gony | 14 | Daughter | — | Massachusetts |
| 55 | Eleanor Gony | 13 | Daughter | — | Massachusetts |
| 56 | Frances Gony | 10 | Daughter | — | Massachusetts |
| 57 | Evelyn Gony | 8 | Daughter | — | Massachusetts |
| 58 | Mariano Gony | 6 | Son | — | Massachusetts |
| 59 | Walter Dillaway | 23 | Head | Chauffeur | Massachusetts |
| 60 | Mildred Dillaway | 20 | Wife | — | Massachusetts |
| 61 | Charles Schafield | 36 | Head | Custom Maker | Canada English |
| 62 | Helen Schafield | 39 | Wife | — | North Holland |
| 63 | Eleanor Schafield | 10 | Daughter | — | Massachusetts |
| 64 | Anna Schafield | 11 | Daughter | — | Massachusetts |
| 65 | Hector Daponty | 49 | Head | Jeweler | Massachusetts |
| 66 | Mary Daponty | 55 | Wife | — | Connecticut |
| 67 | Dennis Donnelly | 71 | Head | — | North Ireland |
| 68 | Catherine Donnelly | 65 | Wife | — | North Ireland |
| 69 | Mary Donnelly | 35 | Daughter | Principal | North Ireland |
| 70 | Thomas Gudikonis | 47 | Head | Tailor | Lithuania |
| 71 | Julia Gudikonis | 44 | Wife | Stitcher | Lithuania |
| 72 | Stella Gudikonis | 13 | Daughter | — | Lithuania |
| 73 | William Doherty | 39 | Head | Manager | New Hampshire |
| 74 | Mary Doherty | 34 | Wife | — | Massachusetts |
| 75 | Gertrude Doherty | 12 | Daughter | — | Massachusetts |
| 76 | William Doherty | 11 | Son | — | Massachusetts |
| 77 | John Doherty | 9 | Son | — | Massachusetts |
| 78 | Edward Doherty | 6 | Son | — | Massachusetts |
| 79 | Frances Doherty | 4 | Daughter | — | Massachusetts |
| 80 | John Carr | 55 | Head | Plumber | Massachusetts |
| 81 | Mary E. Carr | 55 | Wife | — | Massachusetts |
| 82 | Catherine Carr | 24 | Daughter | — | Massachusetts |
| 83 | William Carr THIS PERSON | 22 | Son | Chauffeur | Massachusetts |
| 84 | Evelyn Carr | 17 | Daughter | — | Massachusetts |
| 85 | Helen Carr | 14 | Daughter | — | Massachusetts |
| 86 | Harold Carr | 11 | Son | — | Massachusetts |
| 87 | Owen Freeman | 31 | Head | Foreman | Massachusetts |
| 88 | Genevieve Freeman | 27 | Wife | — | Massachusetts |
| 89 | Hugh Lunnin | 51 | Head | — | Irish Free State |
| 90 | Robert Lunnin | 24 | Son | Teacher | Irish Free State |
| 91 | Dennis Redding | 53 | Head | Fireman | Ireland Free State |
| 92 | Fannie Redding | 50 | Wife | — | Ireland Free State |
| 93 | Timothy Redding | 26 | Son | Salesman | Massachusetts |
| 94 | Richard Redding | 23 | Son | Salesman | Massachusetts |
| 95 | Anna M. Redding | 18 | Daughter | — | Massachusetts |
| 96 | Katie Valenti | 50 | Head | Janitor | Italy |
| 97 | Mary Valenti | 23 | Daughter | Stitcher | Italy |
| 98 | Rose Valenti | 21 | Daughter | Stitcher | Italy |
| 99 | Margaret Valenti | 20 | Daughter | Stitcher | Italy |
Pedigree Summary
William + 4 siblings
Gen 1 · 5 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)