MS
Mary Schwartz — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Los Angeles, California
Our Model Tree links this Mary Schwartz across the 1920, 1930 and 1940 US Censuses in Los Angeles, California (XGBoost, ~Confirmed) — first a head (b.~1858), then head of a 4-person household.
Age 62
b. ~1858
Female
Head
Born: Louisiana
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Los Angeles, California |
| Surname | Schwartz |
| Given Name | Mary T. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1858 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Schwartz | Head | — | 62 | ~1858 |
| Maria Del Medina | Daughter | — | 50 | ~1870 |
| Helen Schwartz | Daughter | — | 21 | ~1899 |
| Head Del Medina | Other | — | 76 | ~1844 |
Census Appearances
1920
Los Angeles, …
Head, age 62
Los Angeles, California · implied b. ~1858 — 4 household members
| Surname | Schwartz |
| Given Name | Mary T. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Los Angeles, …
Other, age 73
Los Angeles, California · implied b. ~1857 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schwartz |
| Given Name | Mary D |
| Relationship to Head | Mother-in-law |
| Sex | F |
| Color / Race | White |
| Age | 73 |
| Marital Status | Widowed |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Los-Angeles-County, California
Other, age 82
Los-Angeles-County, California · implied b. ~1858 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schwartz |
| Given Name | Mary D. |
| Relationship to Head | Mother |
| Sex | F |
| Color / Race | White |
| Age | 82 |
| Marital Status | Widowed |
| Birthplace | Louisiana |
| 1935 Residence (City) | San Mateo |
| 1935 Residence (County) | San Mateo |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | California |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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
Head · 1920 · age 62 · b. ~1858 · California
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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 — Los Angeles, California
Open full size
1920 US Federal Census — Los Angeles, California
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu107unit:0530)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fred S. Galdy | 50 | Head | Salesman | England |
| 2 | Mary E. Galdy | 48 | Wife | — | Bohemia |
| 3 | Florence Galdy | 21 | Daughter | Stenographer | Illinois |
| 4 | Mary T. Schwartz THIS PERSON | 62 | Head | — | Louisiana |
| 5 | Helen Schwartz | 21 | Daughter | Saleslady | California |
| 6 | Head Del Medina | 76 | — | — | Mexico |
| 7 | Maria Josefina Del Medina | 50 | Daughter | — | California |
| 8 | George W. Jolly | 34 | Head | Machinist | Missouri |
| 9 | Pearl A. Jolly | 29 | Wife | — | Maine |
| 10 | Shirley J. Jolly | 2 | Daughter | — | California |
| 11 | Jennie Ingraham | 50 | Head | — | Canada |
| 12 | Elliot C. Fox | 30 | Head | Salesman | Indiana |
| 13 | Cecilia G. Fox | 27 | Wife | — | Indiana |
| 14 | Evelyn G. Fox | 7 | Daughter | — | California |
| 15 | Mildred E. Fox | 6 | Daughter | — | California |
| 16 | Ardis E. Fox | 4 | Daughter | — | California |
| 17 | Clarence E. Fox | 1 | Son | — | California |
| 18 | H. J. Barney Reid | 28 | Lodger | Salesman | Indiana |
| 19 | Theresa Neson | 59 | Head | — | Ireland |
| 20 | Julia Gilfoil | 77 | Companion | — | Ireland |
| 21 | Edith Davis | 56 | Lodger | Bookkeeper | New Jersey |
| 22 | Laura T. Mcconnell | 64 | Head | — | Kentucky |
| 23 | Bridget M. Nolan | 61 | Head | Nurse | Wisconsin |
| 24 | Sada Fox | 55 | Head | Dressmaker | Michigan |
| 25 | Lou W. Smith | 50 | Cousin | Dressmaker | Michigan |
| 26 | Will G. King | 29 | Head | Solicitor | Iowa |
| 27 | Maude King | 31 | Wife | — | Illinois |
| 28 | Mary Macnail | 50 | Head | Bookkeeper | Michigan |
| 29 | Cora M. Wilber | 39 | Sister | Office Clerk | Michigan |
| 30 | Matilda E. Wilber | 72 | Mother | — | Canada |
| 31 | Charles S. Pullen | 42 | Head | Machinist | Michigan |
| 32 | Ora M. Pullen | 32 | Wife | — | Michigan |
| 33 | Margaret Stine | 40 | Head | — | Indiana |
| 34 | Julia Stine | 35 | Sister | Maid | Kentucky |
| 35 | Mary Supp | 51 | Head | — | Indiana |
| 36 | George Supp | 27 | Son | Salesman | Kansas |
| 37 | Dorothy Supp | 16 | Daughter | — | Kansas |
| 38 | William Geiser | 34 | Head | Salesman | Kansas |
| 39 | Elsie Geiser | 31 | Wife | — | Tennessee |
| 40 | James Richardson | 31 | Head | Mechanic | Nebraska |
| 41 | Frederick Richardson | 29 | Brother | Salesman | Nebraska |
| 42 | Dot Richardson | 33 | Sister-in-law | — | California |
| 43 | Harriet Richardson | 21 | Sister | Office Clerk | Nebraska |
| 44 | Lucy Hall | 50 | Mother-in-law | — | California |
| 45 | Irma Hall | 18 | Sister-in-law | Telephone Operator | California |
| 46 | Jessie Mclane | 30 | Boarder | Salesman | Arkansas |
| 47 | William Schott | 54 | Head | Barber | Germany |
| 48 | Alma J. Schott | 53 | Wife | — | Indiana |
| 49 | Rosette Spiegel | 47 | Head | Clerk | Kentucky |
| 50 | Le Baron Klops | 39 | Head | Manager | Washington |
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)