MT
Mary Tracy — 1920 US Census Record
Model Tree available1920 United States Federal Census · Union, New Jersey
Our Model Tree links this Mary Tracy across the 1920, 1930 and 1940 US Censuses in Union, New Jersey (XGBoost, ~Confirmed), with identified parents Daniel & Sarah — first a daughter (b.~1915), then head of a 10-person household.
Age 5
b. ~1915
Female
Daughter
Born: New Jersey
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Union, New Jersey |
| Surname | Tracy |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Elizabeth City |
| Est. Birth Year | ~1915 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Thomas Tracy | Son | — | 9 | ~1911 |
| Hugh Tracy | Other | — | 55 | ~1865 |
| Thomas Tracy | Daughter | — | 1 | ~1919 |
| Hugh Tracy | Son | — | 2 | ~1918 |
| Helen Tracy | Daughter | — | 11 | ~1909 |
| Daniel Tracy | Head | — | 36 | ~1884 |
| Mary Tracy | Daughter | — | 5 | ~1915 |
| Sarah Tracy | Spouse | — | 35 | ~1885 |
| Daniel Tracy | Son | — | 3 | ~1917 |
| William Tracy | Son | — | 7 | ~1913 |
Census Appearances
1920
Union, New …
Daughter, age 5
Union, New Jersey · implied b. ~1915 — 10 household members
| Surname | Tracy |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Union, New …
Daughter, age 15
Union, New Jersey · implied b. ~1915 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tracey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Union-County, New …
Daughter, age 25
Union-County, New Jersey · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tracey |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Elizabeth city |
| 1935 Residence (County) | Union |
| Occupation | machine operator |
| Industry | electric factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 196 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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. Identified parents: father Daniel Tracey (~0.92 confidence) and mother Sarah Tracey (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Daniel Tracey
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Sarah Tracey
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Tracy
Daughter · 1920 · age 5 · b. ~1915 · New Jersey
★ You are viewing this record
Sibling
Thomas Tracy
Sibling · 1920 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Tracy
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Tracy
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hugh Tracy
Sibling · 1920 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Tracy
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Tracy
Sibling · 1920 · age 3
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
1920 US Federal Census — Union, New Jersey
Open full size
1920 US Federal Census — Union, New Jersey
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1069unit:0613)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Margaret Kelley | 29 | Wife | — | Ireland |
| 52 | Mabel Kelley | 4 | Daughter | — | New Jersey |
| 53 | Joseph Kelley | 2 | Son | — | New Jersey |
| 54 | William Mackey | 59 | Father-in-law | Watchman | England |
| 55 | Mary Mackey | 56 | Mother-in-law | — | Ireland |
| 56 | William Mackey | 20 | Brother-in-law | Manager | New Jersey |
| 57 | Mary Houlihan | 42 | Boarder | Machine Op. | Ireland |
| 58 | Daniel Tracy | 36 | Head | Conductor | Ireland |
| 59 | Sarah Tracy | 35 | Wife | — | Ireland |
| 60 | Helen Tracy | 11 | Daughter | — | New Jersey |
| 61 | Thomas Tracy | 9 | Son | — | New Jersey |
| 62 | William Tracy | 7 | Son | — | New Jersey |
| 63 | Mary Tracy THIS PERSON | 5 | Daughter | — | New Jersey |
| 64 | Daniel Tracy | 3 | Son | — | New Jersey |
| 65 | Hugh Tracy | 2 | Son | — | New Jersey |
| 66 | Thomas Tracy | 1 | Daughter | — | New Jersey |
| 67 | Hugh Tracy | 55 | Brother | Inspector | Ireland |
| 68 | Albert Beck | 43 | Head | Engineer | Germany |
| 69 | Anna Beck | 35 | Wife | — | New York |
| 70 | Fred Beck | 6 | Son | — | New Jersey |
| 71 | Walter Beck | 4 | Son | — | New Jersey |
| 72 | Christina Davis | 75 | Head | — | Ireland |
| 73 | George Martin | 34 | Head | Foreman | New Jersey |
| 74 | Bertha Martin | 31 | Wife | — | New Jersey |
| 75 | George Martin | 4 | Son | — | New Jersey |
| 76 | Thomas Martin | 1 | Son | — | New Jersey |
| 77 | Edward Maier | 26 | Boarder | Machinist | New Jersey |
| 78 | Miguel Martin | 24 | Head | Laborer | Spain |
| 79 | Mary Martin | 25 | Wife | — | Spain |
| 80 | Mendel Berkowitz | 44 | Head | Laborer | Roumania |
| 81 | Clara Berkowitz | 37 | Wife | — | Roumania |
| 82 | Yetta Goldberg | 72 | Mother-in-law | — | Roumania |
| 83 | John Connors | 47 | Head | Moulder | Ireland |
| 84 | Mary Connors | 46 | Wife | — | Ireland |
| 85 | Austin Connors | 26 | Son | Machinist | New Jersey |
| 86 | John Connors | 17 | Son | Machinist | New Jersey |
| 87 | Walter Connors | 14 | Son | — | New Jersey |
| 88 | Harold Connors | 14 | Son | — | New Jersey |
| 89 | William Wehr | 74 | Head | Carpenter | Germany |
| 90 | Mary Wehr | 62 | Wife | — | Germany |
| 91 | Albert Wehr | 31 | Son | Salesman | New Jersey |
| 92 | William Feber | 40 | Head | Bilemaker | Germany |
| 93 | Christina Feber | 38 | Wife | — | New York |
| 94 | William Feber | 16 | Son | — | New Jersey |
| 95 | William J. Feber | 15 | Son | — | New Jersey |
| 96 | Dorothy Feber | 14 | Daughter | — | New Jersey |
| 97 | Helen Feber | 11 | Daughter | — | New Jersey |
| 98 | Herman Feber | 9 | Son | — | New Jersey |
| 99 | Madeline Newliner | 18 | Niece | — | New Jersey |
| 100 | Frederick Wagner | 47 | Head | Machinist | England |
Pedigree Summary
Mary + 6 siblings
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)