MT
Mary Tracy — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Louis, Missouri
Our Model Tree links this Mary Tracy across the 1910, 1920 and 1930 US Censuses in St Louis, Missouri (XGBoost, ~Confirmed) — first a spouse (b.~1863), then head of a 5-person household.
Age 67
b. ~1863
Female
Spouse
Born: Ireland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | St Louis, Missouri |
| Surname | Tracy |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1865 |
| Age at First Marriage | 24 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Central Township |
| Est. Birth Year | ~1863 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Eugene Tracy | Son | — | 30 | ~1900 |
| Catherine Tracy | Daughter | — | 24 | ~1906 |
| John Tracy | Head | — | 70 | ~1860 |
| Esther Tracy | Daughter | — | 20 | ~1910 |
| Mary Tracy | Spouse | — | 67 | ~1863 |
Census Appearances
1910
St Louis, …
Spouse, age 47
St Louis, Missouri · implied b. ~1863 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tracy |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 13 |
| Children Born | 6 |
| Children Living | 6 |
| Year of Immigration | 1895 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
St Louis, …
Spouse, age 57
St Louis, Missouri · implied b. ~1863 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tracy |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
St Louis, …
Spouse, age 67
St Louis, Missouri · implied b. ~1863 — 5 household members
| Surname | Tracy |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1865 |
| Age at First Marriage | 24 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 (1910, 1920 and 1930) in St Louis, Missouri, using XGBoost record linkage.
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This person
Anchor record
Mary Tracy
Spouse · 1930 · age 67 · b. ~1863 · Missouri
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — St Louis, Missouri
Open full size
1930 US Federal Census — St Louis, Missouri
Page Contents
30 people indexed on this census page (ia:1930:missouricensus00reel1225:0893)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John Tracy | 70 | Head | — | Ireland |
| 52 | Mary Tracy THIS PERSON | 67 | Wife | — | Ireland |
| 53 | Eugene Tracy | 30 | Son | Accountant | Missouri |
| 54 | Catherine Tracy | 24 | Daughter | Stenographer | Missouri |
| 55 | Esther Tracy | 20 | Daughter | — | Missouri |
| 56 | Rudolph Sacker | 40 | Head | Carpenter | Missouri |
| 57 | Marie Sacker | 25 | Wife-H | — | Missouri |
| 58 | Robert Sacker | 2 | Son | — | Missouri |
| 59 | Kenneth Sacker | 0 | Son | — | Missouri |
| 60 | Adolph Steiner | 41 | Head | Carpenter | Illinois |
| 61 | Viola Steiner | 37 | Wife-H | — | Missouri |
| 62 | Russell Steiner | 13 | Son | — | Missouri |
| 63 | John Dailey | 46 | Head | Electrolyser | Missouri |
| 64 | Cara-H Dailey | 46 | Wife | — | Missouri |
| 65 | Mary Dailey | 10 | Daughter | — | Missouri |
| 66 | John Dailey | 5 | Son | — | Missouri |
| 67 | Sarah Dailey | 72 | Mother | — | Missouri |
| 68 | Fred Gurbruggen | 29 | Head | Salesman | Missouri |
| 69 | Mary Gurbruggen | 29 | Wife-H | — | Missouri |
| 70 | Fred Gurbruggen | 7 | Son | — | Missouri |
| 71 | Robert Gurbruggen | 5 | Son | — | Missouri |
| 72 | Bernard Gurbruggen | 4 | Son | — | Missouri |
| 73 | Edward Gurbruggen | 1 | Son | — | Missouri |
| 74 | Robert Hunter | 66 | Head | Laborer | Missouri |
| 75 | Mary Hunter | 58 | Wife-H | — | Missouri |
| 76 | Forrest Hunter | 20 | Son | — | Missouri |
| 77 | Harold Hunter | 12 | Son | — | Missouri |
| 78 | Thos Hanlon | 36 | Head | Hauling | Missouri |
| 79 | Maude Hanlon | 34 | Wife-H | — | Missouri |
| 80 | Virginia Hanlon | 10 | Daughter | — | Missouri |
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)