JC
James Carr — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this James Carr across the 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1906), then head of a 11-person household.
Age 14
b. ~1906
Male
Son
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Carr |
| Given Name | James B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Chelmsford Town Part Of |
| Est. Birth Year | ~1906 |
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.
11 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Alice Carr | Daughter | — | 3 | ~1917 |
| Edith Carr | Daughter | — | 15 | ~1905 |
| Elizabeth Carr | Daughter | — | 5 | ~1915 |
| Mary Carr | Daughter | — | ~1920 | |
| Margaret Carr | Daughter | — | 2 | ~1918 |
| James Carr | Head | — | 45 | ~1875 |
| James Carr | Son | — | 14 | ~1906 |
| John Carr | Son | — | 7 | ~1913 |
| Thomas Carr | Son | — | 12 | ~1908 |
| Edward Carr | Son | — | 10 | ~1910 |
| Elizabeth Carr | Spouse | — | 52 | ~1868 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 4
Middlesex, Massachusetts · implied b. ~1906 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carr |
| Given Name | James B. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ire-English |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 14
Middlesex, Massachusetts · implied b. ~1906 — 11 household members
| Surname | Carr |
| Given Name | James B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| 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 James Carr across 2 US Census years (1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
James Carr
Son · 1920 · age 14 · b. ~1906 · Massachusetts
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Sibling
Elizabeth Carr
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Carr
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Carr
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Carr
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Carr
Sibling · 1920 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Carr
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Carr
Sibling · 1920 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Carr
Sibling · 1920 · age 12
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
1920 US Federal Census — Middlesex, Massachusetts
Open full size
1920 US Federal Census — Middlesex, Massachusetts
Page Contents
51 people indexed on this census page (ia:1920:14thcensusofpopu706unit:1028)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Arthur Harrington | 12 | Son | — | Massachusetts |
| 52 | James Harrington | 10 | Son | — | Massachusetts |
| 53 | Jacob Jesus | 37 | Head | Farmer | Portugal |
| 54 | Isabelle Jesus | 42 | Wife | — | Portugal |
| 55 | Manuel Jesus | 17 | Son | Laborer | Portugal |
| 56 | Joseph Jesus | 17 | Son | Laborer | Portugal |
| 57 | Miguel Jesus | 14 | Son | — | Portugal |
| 58 | John Jesus | 7 | Son | — | Massachusetts |
| 59 | Mary E Jesus | 5 | Daughter | — | Massachusetts |
| 60 | Isidore Vera | 38 | Brother-in-law | — | Portugal |
| 61 | Manuel Teixeira | 27 | Boarder | Card Room | Portugal |
| 62 | Marie Teixeira | 26 | Boarder | Spinner | Portugal |
| 63 | Marie Teixeira | 2 | Boarder | — | Massachusetts |
| 64 | Manuel Teixeira | 1 | Boarder | — | Massachusetts |
| 65 | Lavina Teixeira | 0 | Boarder | — | Massachusetts |
| 66 | John Teixeira | 16 | Boarder | Laborer | Portugal |
| 67 | Peter B Atigian | 37 | Head | Farmer | Armenia |
| 68 | Maud B Atigian | 26 | Wife | — | New Jersey |
| 69 | Daniel A Reardon | 54 | Head | Farmer | Ireland |
| 70 | Mary J Reardon | 45 | Wife | — | Ireland |
| 71 | Isabelle F Reardon | 24 | Daughter | Bookkeeper | Massachusetts |
| 72 | Daniel J Reardon | 19 | Son | — | Massachusetts |
| 73 | James E Reardon | 15 | Son | — | Massachusetts |
| 74 | Alfred L Colburn | 32 | Head | Confectioner | Massachusetts |
| 75 | Lila Colburn | 44 | Wife | — | New Hampshire |
| 76 | Albert L Fisher | 15 | Stepson | Pressman | Massachusetts |
| 77 | Mildred A Fisher | 10 | Stepdaughter | — | New Hampshire |
| 78 | Martina D Colburn | 6 | Daughter | — | New Hampshire |
| 79 | Gertrude A Colburn | 1 | Daughter | — | Massachusetts |
| 80 | Benjamin L Preston | 34 | Boarder | Electrician | Massachusetts |
| 81 | James H Carr | 45 | Head | Engineer | Ireland |
| 82 | Elizabeth M Carr | 52 | Wife | — | Massachusetts |
| 83 | Edith F Carr | 15 | Daughter | — | Massachusetts |
| 84 | James B Carr THIS PERSON | 14 | Son | — | Massachusetts |
| 85 | Thomas A Carr | 12 | Son | — | Massachusetts |
| 86 | Edward L Carr | 10 | Son | — | Massachusetts |
| 87 | John W Carr | 7 | Son | — | Massachusetts |
| 88 | Elizabeth M Carr | 5 | Daughter | — | Massachusetts |
| 89 | Alice M Carr | 3 | Daughter | — | Massachusetts |
| 90 | Margaret T Carr | 2 | Daughter | — | Massachusetts |
| 91 | Mary M Carr | 0 | Daughter | — | Massachusetts |
| 92 | William J Belair | 22 | Head | Chauffeur | Vermont |
| 93 | Marie L Belair | 26 | Wife | — | Massachusetts |
| 94 | Marie L Belair | 0 | Daughter | — | Massachusetts |
| 95 | Marie X Belair | 64 | Mother | — | Canada |
| 96 | Fred Hamilton | 52 | Head | Carpenter | Sweden |
| 97 | Maria Hamilton | 43 | Wife | — | Sweden |
| 98 | Walter Piana | 27 | Head | Laborer | Austria Poland |
| 99 | Stella Piana | 23 | Wife | Operator | Austria Poland |
| 100 | Walter Piana | 1 | Son | — | Massachusetts |
| 101 | Katy Piana | 49 | Sister | — | Austria Poland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)