MH
Mary Hoffman — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Onondaga, New York
Our Model Tree links this Mary Hoffman across the 1920, 1930 and 1940 US Censuses in Onondaga, New York (XGBoost, ~Confirmed) — first a head (b.~1867), then head of a 5-person household.
Age 63
b. ~1867
Female
Head
Born: France
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Onondaga, New York |
| Surname | Hoffman |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Widowed |
| Birthplace | France |
| Naturalization Status | Alien |
| Year of Immigration | 1884 |
| Age at First Marriage | 23 |
| Father's Birthplace | France |
| Mother's Birthplace | France |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | R |
| Home Value / Rent | 19 |
| Radio Set | R |
| Birth Country | France |
| Birthplace (normalized) | france |
| Township / Ward | Syracuse City |
| Est. Birth Year | ~1867 |
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 |
|---|---|---|---|---|
| Mary Hoffman | Head | — | 63 | ~1867 |
| John Rowe | Other | — | 24 | ~1906 |
| Robert Rowe | Son | — | 5 | ~1925 |
| Albert Hoffman | Son | — | 38 | ~1892 |
| Emma Rowe | Spouse | — | 24 | ~1906 |
Census Appearances
1920
None, New …
Head, age 54
None, New York · implied b. ~1866
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Hoffman |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Single |
| Birthplace | France |
| Year of Immigration | 1885 |
| Naturalization Status | First papers filed |
| Father's Birthplace | France |
| Mother's Birthplace | France |
| Occupation | Laundress |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | French |
| Home Owned/Rented | R |
| Birth Country | France |
| Birthplace (normalized) | france |
1930
Onondaga, New …
Head, age 63
Onondaga, New York · implied b. ~1867 — 5 household members
| Surname | Hoffman |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Widowed |
| Birthplace | France |
| Naturalization Status | Alien |
| Year of Immigration | 1884 |
| Age at First Marriage | 23 |
| Father's Birthplace | France |
| Mother's Birthplace | France |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | R |
| Home Value / Rent | 19 |
| Radio Set | R |
| Birth Country | France |
| Birthplace (normalized) | france |
1940
Onondaga-County, New …
Other, age 73
Onondaga-County, New York · implied b. ~1867 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Mary |
| Relationship to Head | Mother-in-law |
| Sex | F |
| Color / Race | White |
| Age | 73 |
| Marital Status | Widowed |
| Birthplace | France |
| 1935 Residence (City) | Syracuse |
| 1935 Residence (County) | Onondaga |
| Naturalization Status | Naturalized |
| Industry | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth Country | France |
| Birthplace (normalized) | france |
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 Hoffman across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Hoffman
Head · 1930 · age 63 · b. ~1867 · New York
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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 — Onondaga, New York
Open full size
1930 US Federal Census — Onondaga, New York
Page Contents
46 people indexed on this census page (ia:1930:newyorkcensus00reel1625:1000)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William Kochocki | 42 | Head | Laborer | Poland |
| 52 | Skolestika Kochocki | 36 | Wife-H | — | Poland |
| 53 | Anna M. Kochocki | 16 | Daughter | — | New York |
| 54 | Edward F. Kochocki | 11 | Son | — | New York |
| 55 | George Zelude | 38 | Boarder | Waiter | Russia |
| 56 | Michael Piotrowski | 40 | Head | Moulder | Poland |
| 57 | Nellie Piotrowski | 43 | Wife-H | — | Poland |
| 58 | Gladys N. Piotrowski | 23 | Daughter | Machine Operator | Poland |
| 59 | Mildred Newport | 48 | Head | Builder | Irish Free State |
| 60 | Henry H. West | 54 | Head | Receiving Clerk | New York |
| 61 | Louella M. West | 53 | Wife-H | — | New York |
| 62 | Kazemer Kalina | 36 | Head | Moulder | Poland |
| 63 | Mary Kalina | 36 | Wife-H | — | Poland |
| 64 | Edward S. Kalina | 15 | Son | Messenger | New York |
| 65 | Vincent Kalina | 14 | Son | — | New York |
| 66 | Walter Kalina | 10 | Son | — | New York |
| 67 | Kazemer Jr. Kalina | 3 | Son | — | New York |
| 68 | John O'Connell | 58 | Head | Conductor | New York |
| 69 | Elizabeth O'Connell | 59 | Wife-H | — | New York |
| 70 | James H. O'Connell | 27 | Son | Fireman | New York |
| 71 | Katherine H. O'Connell | 26 | Daughter | Laborer | New York |
| 72 | Helen E. O'Connell | 21 | Daughter | Laborer | New York |
| 73 | Loretta R. O'Connell | 18 | Daughter | Laborer | New York |
| 74 | Benjamin Ludgate | 53 | Head | — | Northern Ireland |
| 75 | Mary A. Ludgate | 21 | Daughter | Decorator | Pennsylvania |
| 76 | Alice S. Ludgate | 13 | Daughter | — | New York |
| 77 | Viola L. Ludgate | 12 | Daughter | — | New York |
| 78 | Sarah E. Ludgate | 17 | Daughter | Clerk | New York |
| 79 | Sarah Ludgate | 9 | Daughter | — | New York |
| 80 | Mary Hoffman THIS PERSON | 63 | Head | — | France |
| 81 | Albert Hoffman | 38 | Son | Laborer | France |
| 82 | John J. Rowe | 24 | Son-in-law | Laborer | New York |
| 83 | Emma A. Rowe | 24 | Wife | — | New York |
| 84 | Robert J. Rowe | 5 | Son | — | New York |
| 85 | John Szczepanick | 36 | Head | Heater | Poland |
| 86 | Stasia Szczepanick | 32 | Wife-H | Charwoman | Poland |
| 87 | Edward Szczepanick | 9 | Son | — | New York |
| 88 | Veronica Szczepanick | 5 | Daughter | — | New York |
| 89 | Mary Minias | 20 | Sister-in-law | Decorator | New York |
| 90 | John M. Tully | 59 | Head | Brakeman | New York |
| 91 | Lulu E. Tully | 54 | Wife-H | — | New York |
| 92 | Joseph Swietonowski | 42 | Head | Moulder | Poland |
| 93 | Florence Swietonowski | 21 | Daughter | Stenographer | New York |
| 94 | Anthony Dzemes | 45 | Head | Waiter | Poland |
| 95 | Ignatz Nawrocki | 38 | Boarder | Laborer | Russia |
| 96 | Peter Wurzecka | 39 | Boarder | Moulder | Poland |
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)