MT
Mary Tracy — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Tracy across the 1920, 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1889), then head of a 6-person household.
Age 31
b. ~1889
Female
Spouse
Born: Scotland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Tracy |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1900 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Occupation | Action maker |
| Industry | Piano Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth Country | Scotland |
| Year of Naturalization | 1911 |
| Birthplace (normalized) | scotland |
| Occupation | Action Maker |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1889 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Donald Tracy | Son | — | 10 | ~1910 |
| John Tracy | Head | — | 33 | ~1887 |
| Henry Tracy | Son | — | 8 | ~1912 |
| Mary Tracy | Spouse | — | 31 | ~1889 |
| Alexander Tracy | Son | — | 12 | ~1908 |
| Robert Tracy | Son | — | 5 | ~1915 |
Census Appearances
1920
Middlesex, Massachusetts
Spouse, age 31
Middlesex, Massachusetts · implied b. ~1889 — 6 household members
| Surname | Tracy |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1900 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Action maker |
| Industry | Piano Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth Country | Scotland |
| Year of Naturalization | 1911 |
| Birthplace (normalized) | scotland |
1930
Middlesex, Massachusetts
Head, age 43
Middlesex, Massachusetts · implied b. ~1887 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tracey |
| Given Name | Mary M |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Widowed |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1900 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Floor Lady |
| Industry | Shoe Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 32 |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Middlesex-County, Massachusetts
Head, age 54
Middlesex-County, Massachusetts · implied b. ~1886 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tracey |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Widowed |
| Birthplace | Scotland |
| 1935 Residence (City) | Cambridge |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Highest Grade | No |
| 1935 Residence | Same house |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Tracy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Tracy
Spouse · 1920 · age 31 · b. ~1889 · Massachusetts
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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
50 people indexed on this census page (ia:1920:14thcensusofpopu708unit:0674)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Murray Adams | 14 | Son | None | Massachusetts |
| 2 | Margaret J. Adams | 10 | Daughter | None | Massachusetts |
| 3 | Daniel J. Keefe | 35 | Head | Teamster | Massachusetts |
| 4 | Katherine Keefe | 29 | Wife | None | Massachusetts |
| 5 | William Keefe | 7 | Son | None | Massachusetts |
| 6 | Dorothy Keefe | 5 | Daughter | None | Massachusetts |
| 7 | Herbert Keefe | 4 | Son | — | Massachusetts |
| 8 | Katherine Keefe | 2 | Daughter | — | Massachusetts |
| 9 | Gertrude Keefe | 1 | Daughter | — | Massachusetts |
| 10 | Ellen Eagan | 70 | Head | None | Massachusetts |
| 11 | William Eagan | 50 | Son | Truck Driver | Massachusetts |
| 12 | Lillian Eagan | 39 | Daughter | Cotton Mkr | Massachusetts |
| 13 | Frances Eagan | 37 | Daughter | Cutter | Massachusetts |
| 14 | Samuel Wasserman | 40 | Head | Collector | Russia |
| 15 | Goldie Wasserman | 36 | Wife | None | Russia |
| 16 | Bertha Wasserman | 11 | Daughter | None | Massachusetts |
| 17 | Paul Wasserman | 6 | Son | None | Massachusetts |
| 18 | Josephine Sylmore | 47 | Head | None | Canada |
| 19 | Helene Sullivan | 23 | Daughter | None | Canada |
| 20 | Michael Sullivan | 35 | Son-in-law | Machinist Helper | Massachusetts |
| 21 | Helen Sullivan | 2 | Grand-daughter | — | Massachusetts |
| 22 | Evelyn Sylmore | 13 | Daughter | None | Massachusetts |
| 23 | Florence Strauss | 22 | Boarder | None | Denmark |
| 24 | Lowell M. Pike | 72 | Boarder | Moulder | New York |
| 25 | Sarah Bradshaw | 64 | Head | Sewing | Maine |
| 26 | Clytie Leonard | 34 | Head | Mender | Maine |
| 27 | Norman Ryan | 21 | Son | Machinist | Massachusetts |
| 28 | Francis Ryan | 19 | Son | Rubber Worker | Massachusetts |
| 29 | Hazel Ryan | 18 | Daughter | Asst Book Kpr | Massachusetts |
| 30 | Robert Ryan | 14 | Son | None | Massachusetts |
| 31 | Clytie Leonard | 9 | Daughter | None | Massachusetts |
| 32 | John J. Tracy | 33 | Head | Dealer | England |
| 33 | Mary A. Tracy THIS PERSON | 31 | Wife | Action Maker | Scotland |
| 34 | Alexander Tracy | 12 | Son | None | Massachusetts |
| 35 | Donald Tracy | 10 | Son | None | Massachusetts |
| 36 | Henry Tracy | 8 | Son | None | Massachusetts |
| 37 | Robert Tracy | 5 | Son | None | Massachusetts |
| 38 | Alexander Robertson | 43 | Head | Shipper | Scotland |
| 39 | Elizabeth Robertson | 41 | Wife | None | Scotland |
| 40 | Alexander Robertson | 17 | Son | Chipper | Scotland |
| 41 | Frank Barus | 49 | Head | Tail-Mkr | Lithuania |
| 42 | Elizabeth Barus | 43 | Wife | None | Lithuania |
| 43 | Frank Barus | 17 | Son | Packing Mkr | Lithuania |
| 44 | John Barus | 16 | Son | Rubber | Lithuania |
| 45 | Mary Barus | 13 | Daughter | None | Lithuania |
| 46 | Lucille Barus | 10 | Daughter | None | Massachusetts |
| 47 | Charles Bernardy | 38 | Head | Wire-Maker | Lithuania |
| 48 | Mary Bernardy | 37 | Wife | None | Lithuania |
| 49 | Charles Bernardy | 12 | Son | Stitcher | Lithuania |
| 50 | Anthony Bernardy | 10 | Son | Action Maker | Lithuania |
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)