JS
John Stewart — 1930 US Census Record
Model Tree available1930 United States Federal Census · Plymouth, Massachusetts
Our Model Tree links this John Stewart across the 1920, 1930 and 1940 US Censuses in Plymouth, Massachusetts (XGBoost, ~Confirmed), with identified parents Michael & Michael — first a son (b.~1912), then head of a 6-person household.
Age 18
b. ~1912
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Plymouth, Massachusetts |
| Surname | Stewart |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New York |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Clerk |
| Industry | Chain Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Scituate Town |
| 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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Alice Stewart | Daughter | — | 11 | ~1919 |
| Mary Stewart | Daughter | — | 16 | ~1914 |
| Michael Stewart | Head | — | 46 | ~1884 |
| Mary Stewart | Other | — | 45 | ~1885 |
| John Stewart | Son | — | 18 | ~1912 |
| Edward Stewart | Son | — | 20 | ~1910 |
Census Appearances
1920
Plymouth, Massachusetts
Son, age 8
Plymouth, Massachusetts · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stewart |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New York |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Plymouth, Massachusetts
Son, age 18
Plymouth, Massachusetts · implied b. ~1912 — 6 household members
| Surname | Stewart |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New York |
| Mother's Birthplace | Massachusetts |
| Occupation | Clerk |
| Industry | Chain Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Plymouth-County, Massachusetts
Head, age 28
Plymouth-County, Massachusetts · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Steward |
| Given Name | John D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Scituate town |
| 1935 Residence (County) | Plymouth |
| Occupation | Postmaster |
| Industry | Postal department |
| Class of Worker | GW |
| Hours Worked | 60 |
| Income (1939) | 134 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| 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 John Stewart across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Michael Stewart (~0.92 confidence) and father Michael Stewart (~0.92 confidence) and mother Mary Stewart (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michael Stewart
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Michael Stewart
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Mary Stewart
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Stewart
Son · 1930 · age 18 · b. ~1912 · Massachusetts
★ You are viewing this record
Sibling
Mary Stewart
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Stewart
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Stewart
Sibling · 1930 · age 11
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 — Plymouth, Massachusetts
Open full size
1930 US Federal Census — Plymouth, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel941:0205)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Roy E Spear | 35 | Head | Carpenter | Massachusetts |
| 2 | Mary E Spear | 35 | Wife-H | — | Massachusetts |
| 3 | Dorothy Spear | 13 | Daughter | — | Massachusetts |
| 4 | Ellsworth Spear | 12 | Son | — | Massachusetts |
| 5 | Marion Spear | 10 | Daughter | — | Massachusetts |
| 6 | Edwin Spear | 9 | Son | — | Massachusetts |
| 7 | Mary J Spear | 5 | Daughter | — | Massachusetts |
| 8 | Rita V Spear | 4 | Daughter | — | Massachusetts |
| 9 | Lillian M Spear | 3 | Daughter | — | Massachusetts |
| 10 | Joseph A Ward | 65 | Head | Merchant | Massachusetts |
| 11 | Mary R Ward | 60 | Wife-H | — | Massachusetts |
| 12 | J Edward Gillis | 49 | Head | Stock Picker | Massachusetts |
| 13 | Margaret E Gillis | 48 | Wife-H | — | Massachusetts |
| 14 | Paul Gillis | 23 | Son | Salesman | Massachusetts |
| 15 | Raymond Gillis | 20 | Son | Chauffeur | Massachusetts |
| 16 | Dorathea E Gillis | 12 | Daughter | — | Massachusetts |
| 17 | Alvan J Gillis | 9 | Son | — | Massachusetts |
| 18 | Richard W John | 55 | Head | Broker | Massachusetts |
| 19 | Hannah F John | 44 | Wife-H | — | Massachusetts |
| 20 | Margaret Dowd | 78 | Mother in law | — | Irish Free State |
| 21 | Michael E Stewart | 46 | Head | Salesman | New York |
| 22 | Mary J Stewart | 45 | Wife-H | — | Massachusetts |
| 23 | Edward L Stewart | 20 | Son | — | Massachusetts |
| 24 | John J Stewart THIS PERSON | 18 | Son | Clerk | Massachusetts |
| 25 | Mary J Stewart | 16 | Daughter | — | Massachusetts |
| 26 | Alice E Stewart | 11 | Daughter | — | Massachusetts |
| 27 | Howard H Cole | 35 | Head | Fireman | Wisconsin |
| 28 | Margaret L Cole | 29 | Wife-H | — | Massachusetts |
| 29 | Joan M Cole | 5 | Daughter | — | Massachusetts |
| 30 | Jean M Cole | 3 | Daughter | — | Massachusetts |
| 31 | Margaret A Cole | 1 | Daughter | — | Massachusetts |
| 32 | John Taylor | 44 | Head | Clerk | Massachusetts |
| 33 | Clara J Taylor | 40 | Wife-H | — | Canada English |
| 34 | Robert S Taylor | 19 | Son | — | Massachusetts |
| 35 | Leola Taylor | 17 | Daughter | — | Massachusetts |
| 36 | Mildred J Taylor | 6 | Daughter | — | Massachusetts |
| 37 | Archibald Barstington | 46 | Head | Contractor | England |
| 38 | Jane Barstington | 42 | Wife-H | — | England |
| 39 | Audrey Barstington | 19 | Daughter | Secretary | England |
| 40 | Winifred Barstington | 14 | Daughter | — | Canada English |
| 41 | Betty Barstington | 11 | Daughter | — | Canada English |
| 42 | Julius Audetoli | 25 | Boarder | Mason | New York |
| 43 | James Ward | 70 | Head | Fisherman | Massachusetts |
| 44 | Catherine Ward | 66 | Wife-H | — | Massachusetts |
| 45 | Charles Jensen | 38 | Head | Salesman | Massachusetts |
| 46 | Florence Jensen | 40 | Wife-H | — | Massachusetts |
| 47 | Steven Mahoney | 44 | Head | Packer | Irish Free State |
| 48 | Marie Mahoney | 35 | Wife-H | — | France |
| 49 | Mary Mahoney | 9 | Daughter | — | Massachusetts |
| 50 | Alfred Mahoney | 8 | Son | — | Massachusetts |
Pedigree Summary
John + 3 siblings
Gen 1 · 3 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)