MK
Mary Kaufman — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Mary Kaufman across the 1900, 1910, 1920 and 1930 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1861), then head of a 11-person household.
Age 39
b. ~1861
Female
Spouse
Born: Russia
Married
1900 Census Record Details
| Census Year | 1900 |
| Location | Philadelphia, Pennsylvania |
| Surname | Kaufman |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Russia |
| Birth Month | Jan |
| Birth Year | 1861 |
| Year of Immigration | 1885 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Additional Details | |
| Occupation | Housekeeper |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Occupation | Housekeeper |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1861 |
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.
11 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Hyman Kaufman | Son | — | 6 | ~1894 |
| Mary Kaufman | Spouse | — | 39 | ~1861 |
| Maner Kaufman | Son | — | 3 | ~1897 |
| Louis Kaufman | Son | — | 12 | ~1888 |
| Morris Kaufman | Head | — | 38 | ~1862 |
| Lousie Kaufman | Daughter | — | 8 | ~1892 |
| Mary Kaufman | Daughter | — | 15 | ~1885 |
| Charles Kaufman | Son | — | 16 | ~1884 |
| Millie Kaufman | Daughter | — | 18 | ~1882 |
| Bessie Kaufman | Daughter | — | 4 | ~1896 |
| Sadie Kaufman | Daughter | — | ~1900 |
Census Appearances
1900
Philadelphia, Pennsylvania
Spouse, age 39
Philadelphia, Pennsylvania · implied b. ~1861 — 11 household members
| Surname | Kaufman |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Russia |
| Birth Month | Jan |
| Birth Year | 1861 |
| Year of Immigration | 1885 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Housekeeper |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1910
Philadelphia, Pennsylvania
Spouse, age 48
Philadelphia, Pennsylvania · implied b. ~1862 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kauffman |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Russia |
| Years Married | 33 |
| Children Born | 5 |
| Children Living | 5 |
| Year of Immigration | 1891 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1920
Philadelphia, Pennsylvania
Spouse, age 59
Philadelphia, Pennsylvania · implied b. ~1861 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kauffman |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Russia |
| Year of Immigration | 1890 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Yiddish |
| Birth Country | Russia |
| Year of Naturalization | 1902 |
| Birthplace (normalized) | russia |
1930
Philadelphia, Pennsylvania
Spouse, age 68
Philadelphia, Pennsylvania · implied b. ~1862 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Koffman |
| Given Name | Media |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1903 |
| Age at First Marriage | 18 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read/Write | Yes |
| Mother Tongue | Yiddish |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
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 Kaufman across 4 US Census years (1900, 1910, 1920 and 1930) in Philadelphia, Pennsylvania, using XGBoost record linkage.
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This person
Anchor record
Mary Kaufman
Spouse · 1900 · age 39 · b. ~1861 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1900 US Federal Census — Philadelphia, Pennsylvania
Open full size
1900 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu1454unit:0336)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph F. Hogan | 41 | Head | Constable | New York |
| 2 | Mary J. Hogan | 33 | Wife | Housekeeper | Pennsylvania |
| 3 | Frank J. Hogan | 16 | Son | Clerk | New Jersey |
| 4 | Mary J. Hogan | 12 | Daughter | — | Pennsylvania |
| 5 | Theodore Ficke | 74 | Boarder | Gent | Germany |
| 6 | William Mcclain | 41 | Boarder | Junk Dealer | New York |
| 7 | Lillie Beswick | 31 | Servant | Servant | Pennsylvania |
| 8 | Annie Lenard | 49 | Servant | Servant | Pennsylvania |
| 9 | John Mcconly | 54 | Boarder | Officer | Pennsylvania |
| 10 | Lewis Blind | 26 | Boarder | Officer | Pennsylvania |
| 11 | Harry Bennett | 39 | Boarder | Pianist | Pennsylvania |
| 12 | Morris Levy | 29 | Boarder | Clerk | Maryland |
| 13 | George C. Kelwyn | 34 | Boarder | Clerk | Pennsylvania |
| 14 | Abraham Jacobs | 30 | Boarder | Seaman | Pennsylvania |
| 15 | Morris Kaufman | 38 | Head | Cigar Dealer | Russia |
| 16 | Mary Kaufman THIS PERSON | 38 | Wife | Housekeeper | Russia |
| 17 | Millie Kaufman | 17 | Daughter | Clerk | Russia |
| 18 | Charles Kaufman | 15 | Son | Cigar Maker | Russia |
| 19 | Mary Kaufman | 15 | Daughter | Teacher | Russia |
| 20 | Louis Kaufman | 12 | Son | At School | Pennsylvania |
| 21 | Lousie Kaufman | 7 | Daughter | — | Pennsylvania |
| 22 | Hyman Kaufman | 5 | Son | — | Pennsylvania |
| 23 | Bessie Kaufman | 4 | Daughter | — | Pennsylvania |
| 24 | Maner Kaufman | 3 | Son | — | Pennsylvania |
| 25 | Sadie Kaufman | None | Daughter | — | Pennsylvania |
| 26 | Samuel Hyman | 29 | Head | Barber | Russia |
| 27 | Katie Hyman | 26 | Wife | Housekeeper | Pennsylvania |
| 28 | Reubin Hyman | 4 | Son | — | Pennsylvania |
| 29 | Jacob Hyman | 3 | Son | — | Pennsylvania |
| 30 | Nathan Hyman | 1 | Son | — | Pennsylvania |
| 31 | Abraham Shorm | 28 | Head | Tailor | Russia |
| 32 | Mollie Shorm | 24 | Wife | Housekeeper | Russia |
| 33 | Lewis Shorm | 8 | Son | — | Pennsylvania |
| 34 | Philip Shorm | 7 | Son | — | Pennsylvania |
| 35 | Morris Shorm | None | Son | — | Pennsylvania |
| 36 | Samuel Cahn | 46 | Head | Merchant | Austria |
| 37 | Charlotte Cahn | 43 | Wife | Housekeeper | Austria |
| 38 | Regenia Cahn | 17 | Daughter | Tailoress | Austria |
| 39 | Hannie Cahn | 14 | Daughter | At School | New York |
| 40 | Helen Cahn | 6 | Daughter | — | New York |
| 41 | Nathan Frickman | 37 | Head | Merchant | Austria |
| 42 | Rose Frickman | 36 | Wife | Housekeeper | Austria |
| 43 | Morris Frickman | 10 | Son | At School | Austria |
| 44 | Sarah Frickman | 7 | Daughter | — | New York |
| 45 | Selma Frickman | 2 | Daughter | — | Pennsylvania |
| 46 | Annie Frickman | None | Daughter | — | Pennsylvania |
| 47 | Ike Sawerar | 33 | Head | Barber | Austria |
| 48 | Olga Sawerar | 27 | Wife | Housekeeper | Russia |
| 49 | Jacob Bornet | 30 | Head | Tailor | Austria |
| 50 | Rebekah Bornet | 30 | Wife | Housekeeper | Austria |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1900 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)