MS
Mary Schwartz — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Lucas, Ohio
Our Model Tree links this Mary Schwartz across the 1920, 1930 and 1940 US Censuses in Lucas, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1867), then head of a 5-person household.
Age 63
b. ~1867
Female
Spouse
Born: Ohio
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Lucas, Ohio |
| Surname | Schwartz |
| Given Name | Mary H |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 25 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Toledo 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 |
|---|---|---|---|---|
| Emma Dauer | Other | — | 87 | ~1843 |
| Mary Schwartz | Spouse | — | 63 | ~1867 |
| Bernard Schwartz | Head | — | 65 | ~1865 |
| Adell Schwartz | Daughter | — | 27 | ~1903 |
| Cornelius Dauer | Other | — | 51 | ~1879 |
Census Appearances
1920
Lucas, Ohio
Spouse, age 54
Lucas, Ohio · implied b. ~1866 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schwartz |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Lucas, Ohio
Spouse, age 63
Lucas, Ohio · implied b. ~1867 — 5 household members
| Surname | Schwartz |
| Given Name | Mary H |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 25 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Lucas-County, Ohio
Head, age 74
Lucas-County, Ohio · implied b. ~1866 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swartz |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Widowed |
| Birthplace | Ohio |
| 1935 Residence (City) | Toledo City |
| 1935 Residence (County) | Lucas |
| Industry | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Schwartz across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Schwartz
Spouse · 1930 · age 63 · b. ~1867 · Ohio
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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 — Lucas, Ohio
Open full size
1930 US Federal Census — Lucas, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1838:0434)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Carrie Myers | 50 | Head | — | Ohio |
| 52 | Walter H Myers | 21 | Son | Auto Mechanic | Ohio |
| 53 | Charles A Myers | 18 | Son | Apprentice | Ohio |
| 54 | Arthur J Kress | 73 | Head | — | Germany |
| 55 | Katherine Kress | 70 | Wife | — | Ohio |
| 56 | Mildred E Kress | 26 | Daughter | Stenographer | Ohio |
| 57 | Arthur H Delisle | 31 | Head | Salesman | Ohio |
| 58 | Margaret I Delisle | 31 | Wife | — | Ohio |
| 59 | Dorothy M Delisle | 7 | Daughter | — | Ohio |
| 60 | Robert H Delisle | 4 | Son | — | Ohio |
| 61 | Mary Lou P Delisle | 1 | Daughter | — | Ohio |
| 62 | Bernard Schwartz | 65 | Head | — | Germany |
| 63 | Mary H Schwartz THIS PERSON | 63 | Wife | — | Ohio |
| 64 | Adell L Schwartz | 27 | Daughter | Stenographer | Ohio |
| 65 | Emma Dauer | 87 | Mother-in-law | — | Germany |
| 66 | Cornelius C Dauer | 51 | Brother-in-law | Clerk | Ohio |
| 67 | Michael Lunsford | 64 | Head | — | Ohio |
| 68 | Eva H Lunsford | 61 | Wife | — | Michigan |
| 69 | Matthew C Lunsford | 27 | Son | — | Ohio |
| 70 | Frank J Riley | 52 | Head | — | Ohio |
| 71 | Katherine M Riley | 47 | Wife | — | Ohio |
| 72 | Bernadine M Riley | 18 | Daughter | — | Ohio |
| 73 | Raymilda A Riley | 15 | Daughter | — | Ohio |
| 74 | Frances M Riley | 12 | Daughter | — | Ohio |
| 75 | Rosemary C Riley | 10 | Daughter | — | Ohio |
| 76 | Genevieve J Riley | 7 | Daughter | — | Ohio |
| 77 | John B Deshetler | 70 | Head | — | Michigan |
| 78 | Clara Deshetler | 62 | Wife | — | Ohio |
| 79 | Paul A Deshetler | 31 | Son | Salesman | Ohio |
| 80 | Mary L Deshetler | 27 | Daughter | — | Ohio |
| 81 | Margaret M Deshetler | 25 | Daughter | — | Ohio |
| 82 | Agnes M Deshetler | 22 | Daughter | — | Ohio |
| 83 | John B Jr Deshetler | 16 | Son | — | Ohio |
| 84 | Henry Hutchison | 53 | Head | — | Ohio |
| 85 | Alyce G Hutchison | 51 | Wife | — | Ohio |
| 86 | Fred Keefer | 45 | Head | — | Ohio |
| 87 | Alice F Keefer | 43 | Wife | — | Ohio |
| 88 | Julia L Keefer | 15 | Daughter | — | Ohio |
| 89 | Alice J Keefer | 13 | Daughter | — | Ohio |
| 90 | William E Keefer | 32 | Brother | — | Ohio |
| 91 | Rice E Elliott | 50 | Head | Manufacturer | Ohio |
| 92 | Sarah J Elliott | 45 | Wife | — | Ohio |
| 93 | Lois D Elliott | 15 | Daughter | — | Ohio |
| 94 | Ruth O Elliott | 9 | Daughter | — | Ohio |
| 95 | Rice E Jr Elliott | 5 | Son | — | Ohio |
| 96 | Frank J Lochman | 54 | Head | Cashier | Ohio |
| 97 | Minnie Lochman | 52 | Wife | — | Ohio |
| 98 | Sarah E Lochman | 22 | Daughter | Saleswoman | New York |
| 99 | Edith E Lochman | 21 | Daughter | — | Ohio |
| 100 | Clarence Q Kennedy | 50 | Head | Clerk | Ohio |
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)