MK
Mary Keller — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Mary Keller across the 1920 and 1930 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1908), then head of a 7-person household.
Age 22
b. ~1908
Female
Daughter
Born: Poland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Keller |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Poland |
| Naturalization Status | First papers filed |
| Year of Immigration | 1910 |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Additional Details | |
| Occupation | Typist |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Yiddish |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
| Occupation | Typist |
| Township / Ward | City Of Boston |
| Est. Birth Year | ~1908 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ida Keller | Daughter | — | 16 | ~1914 |
| Sadie Keller | Daughter | — | 12 | ~1918 |
| Esther Keller | Daughter | — | 19 | ~1911 |
| Mary Keller | Daughter | — | 22 | ~1908 |
| Abraham Keller | Head | — | 50 | ~1880 |
| Jacob Keller | Son | — | 15 | ~1915 |
| Rebecca Keller | Spouse | — | 50 | ~1880 |
Census Appearances
1920
Suffolk, Massachusetts
Daughter, age 12
Suffolk, Massachusetts · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Killer |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Poland |
| Year of Immigration | 1910 |
| Naturalization Status | Alien |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Yiddish |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
1930
Suffolk, Massachusetts
Daughter, age 22
Suffolk, Massachusetts · implied b. ~1908 — 7 household members
| Surname | Keller |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Poland |
| Naturalization Status | First papers filed |
| Year of Immigration | 1910 |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | Typist |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Yiddish |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
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 Keller across 2 US Census years (1920 and 1930) in Suffolk, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Keller
Daughter · 1930 · age 22 · b. ~1908 · Massachusetts
★ You are viewing this record
Sibling
Jacob Keller
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sadie Keller
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Esther Keller
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ida Keller
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Suffolk, Massachusetts
Open full size
1930 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel952:0953)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nathan Cohen | 19 | Son | Secretary | Massachusetts |
| 2 | David Cohen | 16 | Son | — | Massachusetts |
| 3 | Jennie Fytnick | 67 | In-law | Housekeeper | Russia |
| 4 | Abraham Keller | 50 | Head | Baker | Poland |
| 5 | Rebecca Keller | 50 | Wife | — | Poland |
| 6 | Mary Keller THIS PERSON | 22 | Daughter | Typist | Poland |
| 7 | Esther Keller | 19 | Daughter | — | Massachusetts |
| 8 | Ida Keller | 16 | Daughter | Hairdresser | Massachusetts |
| 9 | Jacob Keller | 15 | Son | — | Massachusetts |
| 10 | Sadie Keller | 12 | Daughter | — | Massachusetts |
| 11 | Benjamin Barenson | 58 | Head | Merchant | Russia |
| 12 | Ida Barenson | 57 | Wife | — | Russia |
| 13 | Rose Barenson | 23 | Daughter | Bookkeeper | Massachusetts |
| 14 | David Jacobs | 31 | Son-in-law | Merchant | Russia |
| 15 | Jennie Jacobs | 30 | Daughter | — | Massachusetts |
| 16 | Harry Katz | 34 | Head | Agent | Massachusetts |
| 17 | Esther Katz | 29 | Wife | — | Massachusetts |
| 18 | Gloria Katz | 7 | Daughter | — | Massachusetts |
| 19 | Seymour Katz | 1 | Son | — | Massachusetts |
| 20 | Fannie Meiss | 46 | Head | Housekeeper | Poland |
| 21 | Molly Meiss | 21 | Daughter | Bookkeeper | Maine |
| 22 | Philip Meiss | 18 | Son | Candymaker | Maine |
| 23 | Elinore Meiss | 14 | Daughter | — | Maine |
| 24 | Hyman Schlov | 42 | Head | Carpenter | Russia |
| 25 | Fannie Schlov | 42 | Wife | — | Russia |
| 26 | Bessie Schlov | 19 | Daughter | — | Massachusetts |
| 27 | Theodore Schlov | 16 | Son | — | Massachusetts |
| 28 | Lillian Schlov | 10 | Daughter | — | Massachusetts |
| 29 | Irving Schlov | 8 | Son | — | Massachusetts |
| 30 | Harry Maple | 52 | Head | Carpenter | Russia |
| 31 | Ida Maple | 48 | Wife | — | Russia |
| 32 | Morris Maple | 23 | Son | Agent | Massachusetts |
| 33 | Lewis Maple | 20 | Son | Salesman | Massachusetts |
| 34 | Pearl Maple | 14 | Daughter | — | Massachusetts |
| 35 | Anna Maple | 12 | Daughter | — | Massachusetts |
| 36 | Lillian Maple | 10 | Daughter | — | Massachusetts |
| 37 | Esther Maple | 8 | Daughter | — | Massachusetts |
| 38 | Bertha Maple | 5 | Daughter | — | Massachusetts |
| 39 | Max White | 30 | Head | Merchant | Russia |
| 40 | Sarah White | 27 | Wife | — | Russia |
| 41 | Leon White | 7 | Son | — | Massachusetts |
| 42 | Naomi White | 1 | Daughter | — | Massachusetts |
| 43 | Morris Shapiro | 63 | Head | Tailor | Russia |
| 44 | Rose Shapiro | 53 | Wife | — | Russia |
| 45 | Mildred Shapiro | 24 | Daughter | Secretary | Massachusetts |
| 46 | Hilda Shapiro | 21 | Daughter | Clerk | Massachusetts |
| 47 | Tobin Shapiro | 18 | Son | Salesman | Massachusetts |
| 48 | Harry Tucker | 53 | Head | Carpenter | Russia |
| 49 | Lena Tucker | 51 | Wife | — | Russia |
| 50 | Frances Tucker | 29 | Daughter | Bookkeeper | Massachusetts |
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)