DM
Donald Martin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Donald Martin across the 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1912), then head of a 10-person household.
Age 18
b. ~1912
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Martin |
| Given Name | Donald J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Canada English |
| Mother's Birthplace | New York |
| Additional Details | |
| Occupation | Laborer |
| Industry | Electric |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Laborer |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1912 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Donald Martin | Son | — | 18 | ~1912 |
| Winifred Martin | Daughter | — | 12 | ~1918 |
| Grace Martin | Daughter | — | 25 | ~1905 |
| Richard Martin | Son | — | 3 | ~1927 |
| Charles Martin | Son | — | 5 | ~1925 |
| Herbert Martin | Son | — | 14 | ~1916 |
| Robert Martin | Son | — | 16 | ~1914 |
| Daniel Martin | Head | — | 53 | ~1877 |
| Ruth Martin | Daughter | — | 10 | ~1920 |
| Grace Martin | Spouse | — | 49 | ~1881 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 8
Middlesex, Massachusetts · implied b. ~1912 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Canada |
| Mother's Birthplace | New York |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 18
Middlesex, Massachusetts · implied b. ~1912 — 10 household members
| Surname | Martin |
| Given Name | Donald J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Canada English |
| Mother's Birthplace | New York |
| Occupation | Laborer |
| Industry | Electric |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| 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 Donald Martin across 2 US Census years (1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Donald Martin
Son · 1930 · age 18 · b. ~1912 · Massachusetts
★ You are viewing this record
Sibling
Grace Martin
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Martin
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Winifred Martin
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Martin
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Martin
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Martin
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Martin
Sibling · 1930 · age 5
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:massachusettscensus00reel927:0880)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Edward Dunnin | 42 | Head | — | Massachusetts |
| 52 | Jeanne Dunnin | 4 | Daughter | — | Massachusetts |
| 53 | John H. Mclaughlin | 27 | Head | Chauffeur | Massachusetts |
| 54 | Lillian E. Mclaughlin | 23 | Wife | — | Massachusetts |
| 55 | Lillian G. Mclaughlin | 5 | Daughter | — | Massachusetts |
| 56 | John H. Jr. Mclaughlin | 2 | Son | — | Massachusetts |
| 57 | Edna Andy | 48 | Head | Packer | Massachusetts |
| 58 | Ernest E. Andy | 26 | Son | Milk Handler | Massachusetts |
| 59 | Anselm Mcpachern | 29 | Roomer | Milk Handler | Massachusetts |
| 60 | James E. Goodwin | 30 | Head | Chauffeur | Maine |
| 61 | Ethel Goodwin | 27 | Wife | — | Maine |
| 62 | Gladys H. Goodwin | 6 | Daughter | — | Massachusetts |
| 63 | Mildred Goodwin | 2 | Daughter | — | Massachusetts |
| 64 | James E. Jr. Goodwin | 0 | Son | — | Massachusetts |
| 65 | Daniel D. Martin | 53 | Head | Auto Mechanic | Canada English |
| 66 | Grace Martin | 49 | Wife | — | New York |
| 67 | Grace D. Martin | 25 | Daughter | Typer | Massachusetts |
| 68 | Donald J. Martin THIS PERSON | 18 | Son | Laborer | Massachusetts |
| 69 | Robert Martin | 16 | Son | Laborer | Massachusetts |
| 70 | Herbert Martin | 14 | Son | — | Massachusetts |
| 71 | Winifred Martin | 12 | Daughter | — | Massachusetts |
| 72 | Ruth Martin | 10 | Daughter | — | Massachusetts |
| 73 | Charles Martin | 5 | Son | — | Massachusetts |
| 74 | Richard Martin | 3 | Son | — | Massachusetts |
| 75 | John J. Kelly | 73 | Head | Gardener | Canada English |
| 76 | John J. Jr. Kelly | 35 | Son | Gardener | Canada English |
| 77 | Alfred J. White | 25 | Head | Chauffeur | Massachusetts |
| 78 | Margaret T. White | 20 | Wife | — | Massachusetts |
| 79 | Mary C. White | 6 | Daughter | — | Massachusetts |
| 80 | Alfred J. Jr. White | 5 | Son | — | Massachusetts |
| 81 | Margaret T. White | 3 | Daughter | — | Massachusetts |
| 82 | Harry Clarke | 31 | Head | Machinist | Massachusetts |
| 83 | Annie Clarke | 25 | Wife | — | New Hampshire |
| 84 | Irena Clarke | 8 | Daughter | — | New Hampshire |
| 85 | Shirley Clarke | 7 | Daughter | — | New Hampshire |
| 86 | Harry Jr. Clarke | 6 | Son | — | New Hampshire |
| 87 | Rita Clarke | 4 | Daughter | — | New Hampshire |
| 88 | Allen Mccormick | 64 | Head | — | New Hampshire |
| 89 | Elizabeth Mccormick | 29 | Daughter | — | Massachusetts |
| 90 | Ethel M. Mccormick | 23 | Daughter | Packer | Massachusetts |
| 91 | Frank S. Mccormick | 26 | Son | Cashier | Massachusetts |
| 92 | Laura E. Brown | 72 | Head | — | Massachusetts |
| 93 | Alice Linehan | 53 | Head | — | Irish Free State |
| 94 | Mary Linehan | 29 | Daughter | Checker | Massachusetts |
| 95 | Nellie Linehan | 25 | Daughter | Bookkeeper | Massachusetts |
| 96 | Johanna Farrell | 57 | Head | — | Massachusetts |
| 97 | Catherine Linehan | 37 | Daughter | — | Massachusetts |
| 98 | Alice Linehan | 11 | Granddaughter | — | Massachusetts |
| 99 | Martha Linehan | 5 | Granddaughter | — | Massachusetts |
| 100 | James Linehan | 37 | Son-in-law | Teamster | Massachusetts |
Related Census Records
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)