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Mary Bruce — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Mary Bruce across the 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 7-person household.
Age 8
b. ~1922
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Bruce |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | City Of Boston |
| Est. Birth Year | ~1922 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Alfred Bruce | Son | — | 2 | ~1928 |
| Alma Bruce | Daughter | — | 11 | ~1919 |
| John Bruce | Son | — | 12 | ~1918 |
| Mary Bruce | Daughter | — | 8 | ~1922 |
| Robert Bruce | Son | — | 4 | ~1926 |
| Mary Bruce | Other | — | 33 | ~1897 |
| John Bruce | Head | — | 41 | ~1889 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 8
Suffolk, Massachusetts · implied b. ~1922 — 7 household members
| Surname | Bruce |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Other, age 19
Suffolk-County, Massachusetts · implied b. ~1921 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brock |
| Given Name | Mary |
| Relationship to Head | maid |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | maid |
| Industry | private home |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 400 |
| 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 Mary Bruce across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Bruce
Daughter · 1930 · age 8 · b. ~1922 · Massachusetts
★ You are viewing this record
Sibling
John Bruce
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Bruce
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alma Bruce
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Bruce
Sibling · 1930 · age 4
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
50 people indexed on this census page (ia:1930:massachusettscensus00reel956:0624)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Esther H Maier | 56 | Head | Nurse | England |
| 2 | Ruth Maier | 30 | Sister | Clerk | Massachusetts |
| 3 | Annie Bird | 54 | Sister | None | England |
| 4 | Sarah E Laughton | 52 | Sister | None | England |
| 5 | Sidney M Bird | 45 | Brother | Woodworker | England |
| 6 | Maude M Bird | 50 | Sister | None | England |
| 7 | Joseph H Macknight | 29 | Boarder | Machinist | Canada-English |
| 8 | Robert Swain | 30 | Boarder | Polisher | Massachusetts |
| 9 | John F Bruce | 41 | Head | Conductor | Massachusetts |
| 10 | Mary E Bruce | 33 | Wife-H | None | Massachusetts |
| 11 | John R Bruce | 12 | Son | None | Massachusetts |
| 12 | Alma Bruce | 11 | Daughter | None | Massachusetts |
| 13 | Mary Bruce THIS PERSON | 8 | Daughter | None | Massachusetts |
| 14 | Robert Bruce | 4 | Son | None | Massachusetts |
| 15 | Alfred Bruce | 2 | Son | None | Massachusetts |
| 16 | Harry Brown | 48 | Head | Chauffeur | New York |
| 17 | Minnie E Brown | 45 | Wife-H | None | New Hampshire |
| 18 | Joseph Buckley | 28 | Head | Asst Manager | Massachusetts |
| 19 | Eleanor Buckley | 30 | Wife-H | None | Massachusetts |
| 20 | Francis J Buckley | 3 | Son | None | Massachusetts |
| 21 | Marjorie Buckley | 1 | Daughter | None | Massachusetts |
| 22 | Joseph T Kilrow | 48 | Head | Elevator Operator | Massachusetts |
| 23 | Marie L Kilrow | 50 | Wife-H | None | Canada-French |
| 24 | Edmond E Kilrow | 19 | Son | Messenger | Massachusetts |
| 25 | Edward F King | 27 | Head | Agent | Massachusetts |
| 26 | Margaret M King | 28 | Wife-H | None | Massachusetts |
| 27 | Natalie King | 3 | Daughter | None | New York |
| 28 | Edward F Jr King | 1 | Son | None | Massachusetts |
| 29 | Andrew Morse | 27 | Head | None | Connecticut |
| 30 | Lillian S M Morse | 26 | Wife-H | Salesman | Massachusetts |
| 31 | Lillian M M Morse | 6 | Daughter | None | Massachusetts |
| 32 | Richard A Morse | 2 | Son | None | Massachusetts |
| 33 | Robert J Morse | 1 | Son | None | Massachusetts |
| 34 | David D Morse | 0 | Son | None | Massachusetts |
| 35 | Henry G Fay | 42 | Head | Operator | Massachusetts |
| 36 | Florence M Fay | 27 | Wife-H | None | Massachusetts |
| 37 | Florence L Fay | 6 | Daughter | None | Massachusetts |
| 38 | Paul L Fay | 4 | Son | None | Massachusetts |
| 39 | Virginia M Fay | 2 | Daughter | None | Massachusetts |
| 40 | Julia M Fay | 0 | Daughter | None | Massachusetts |
| 41 | George S Jacobs | 38 | Head | Broker | Massachusetts |
| 42 | Lucy L Jacobs | 21 | Wife-H | None | Massachusetts |
| 43 | Edward S Jacobs | 2 | Son | None | Massachusetts |
| 44 | Pauline E Jacobs | 0 | Daughter | None | Massachusetts |
| 45 | Henry Kane | 35 | Head-H | Agent | Massachusetts |
| 46 | Ann C Kelly | 33 | Head-H | Stenographer | Massachusetts |
| 47 | Ella A Adams | 75 | Boarder | None | Maine |
| 48 | James F Hanley | 48 | Head | Vet Surgeon | Massachusetts |
| 49 | Sarah C Hanley | 56 | Sister-H | Trained Nurse | Massachusetts |
| 50 | Ella F Hanley | 45 | Sister-H | Vocalist | Massachusetts |
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)