JM
James Macdonald — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this James Macdonald across the 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 8-person household.
Age 11
b. ~1919
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Macdonald |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New York |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Wilmington Town |
| Est. Birth Year | ~1919 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Benjamin Macdonald | Head | — | 47 | ~1883 |
| Claudia Macdonald | Daughter | — | 16 | ~1914 |
| James Macdonald | Son | — | 11 | ~1919 |
| Clarence Macdonald | Son | — | 15 | ~1915 |
| Sadie Macdonald | Other | — | 37 | ~1893 |
| William Macdonald | Son | — | 6 | ~1924 |
| Doris Macdonald | Daughter | — | 8 | ~1922 |
| Lillian Macdonald | Daughter | — | 2 | ~1928 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 11
Middlesex, Massachusetts · implied b. ~1919 — 8 household members
| Surname | Macdonald |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New York |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Other, age 22
Middlesex-County, Massachusetts · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | James |
| Relationship to Head | Brother-in-law |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Roxbury |
| 1935 Residence (County) | Suffolk |
| Occupation | Carpenter |
| Industry | Wholesale lumber yard |
| Class of Worker | PW |
| Hours Worked | 104 |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Massachusetts |
| 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 Macdonald across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Macdonald
Son · 1930 · age 11 · b. ~1919 · Massachusetts
★ You are viewing this record
Sibling
William Macdonald
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Macdonald
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Macdonald
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Claudia Macdonald
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Macdonald
Sibling · 1930 · age 15
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 — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel932:0268)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Elizabeth A Brabant | 32 | Wife-H | — | Massachusetts |
| 52 | Aristides G Brabant | 13 | Son | Relaster | Massachusetts |
| 53 | Horace L Brabant | 12 | Son | — | Massachusetts |
| 54 | Edward L Brabant | 11 | Son | — | Massachusetts |
| 55 | Mabel G Brabant | 8 | Daughter | — | Massachusetts |
| 56 | Elizabeth M Brabant | 5 | Daughter | — | Massachusetts |
| 57 | Bernard W Brabant | 1 | Son | — | Massachusetts |
| 58 | Francis E Brabant | 9 | Step-son | — | Massachusetts |
| 59 | David Gordon | 50 | Head | Pedlar | Russia-Noona |
| 60 | Gertie Gordon | 48 | Wife-H | — | Russia-Vilna |
| 61 | Hyman Gordon | 19 | Son | — | Massachusetts |
| 62 | Melonie Gordon | 14 | Daughter | — | Massachusetts |
| 63 | Evelyn Gordon | 12 | Daughter | — | Massachusetts |
| 64 | Ida Gordon | 11 | Daughter | — | Massachusetts |
| 65 | Julius Gordon | 10 | Daughter | — | Massachusetts |
| 66 | Jenny Gordon | 7 | Daughter | — | Massachusetts |
| 67 | Henry Gordon | 5 | Son | — | Massachusetts |
| 68 | Jacob Gordon | 1 | Son | — | Massachusetts |
| 69 | Benjamin Macdonald | 47 | Head | Carpenter | New York |
| 70 | Sadie Macdonald | 37 | Wife-H | — | Massachusetts |
| 71 | Claudia Macdonald | 16 | Daughter | Housework | Massachusetts |
| 72 | Clarence Macdonald | 15 | Son | — | Massachusetts |
| 73 | James Macdonald THIS PERSON | 11 | Son | — | Massachusetts |
| 74 | Doris Macdonald | 8 | Daughter | — | Massachusetts |
| 75 | William Macdonald | 6 | Son | — | Massachusetts |
| 76 | Lillian Macdonald | 2 | Daughter | — | Massachusetts |
| 77 | James A Pompet | 53 | Head | Farmer | England |
| 78 | Mary J Pompet | 37 | Wife-H | — | England |
| 79 | Gladys A Pompet | 13 | Daughter | — | Massachusetts |
| 80 | Israel Epstein | 50 | Head | Farmer | Poland |
| 81 | Ida Epstein | 47 | Wife-H | — | Poland |
| 82 | Joseph S Epstein | 19 | Son | — | Poland |
| 83 | Alex Epstein | 10 | Son | — | Massachusetts |
| 84 | Eugene S Coombs | 54 | Head | Salesman | Maine |
| 85 | Ellura L Coombs | 45 | Wife-H | — | New Hampshire |
| 86 | Alice Coombs | 16 | Daughter | — | Maine |
| 87 | Corydon Coombs | 10 | Son | — | Massachusetts |
| 88 | Margaret L Coombs | 7 | Daughter | — | New Hampshire |
| 89 | Thomas Whelan | 62 | Boarder | Farmer | Irish Free State |
| 90 | Arthur M White | 19 | Head | Laborer | Massachusetts |
| 91 | Mary White | 17 | Wife-H | — | Massachusetts |
| 92 | Evelyn M White | 1 | Daughter | — | Massachusetts |
| 93 | Francis Phillips | 45 | Head | — | Russia-Vilna |
| 94 | Doris Phillips | 17 | Daughter | — | Massachusetts |
| 95 | Harry Phillips | 13 | Son | — | Massachusetts |
| 96 | Philip Buzzell | 37 | Head | Lawyer | Massachusetts |
| 97 | Rhoda Buzzell | 38 | Wife-H | — | Maryland |
| 98 | Mary L Buzzell | 9 | Daughter | — | Massachusetts |
| 99 | Anne Buzzell | 7 | Daughter | — | Massachusetts |
| 100 | Charles E Littlefield | 59 | Head | Teacher | Illinois |
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)