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Mary Larsen — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Delaware, Pennsylvania
Our Model Tree links this Mary Larsen across the 1920 and 1930 US Censuses in Delaware, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1884), then head of a 7-person household.
Age 36
b. ~1884
Female
Spouse
Born: Poland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Delaware, Pennsylvania |
| Surname | Larsen |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Poland |
| Year of Immigration | 1907 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | No |
| Mother Tongue | Polish |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
| Township / Ward | City Of Chester |
| Est. Birth Year | ~1884 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Alfred Larsen | Son | — | 11 | ~1909 |
| Mary Larsen | Spouse | — | 36 | ~1884 |
| Theodora Larsen | Daughter | — | 4 | ~1916 |
| John Larsen | Head | — | 46 | ~1874 |
| Joseph Larsen | Son | — | 9 | ~1911 |
| Alice Larsen | Daughter | — | 7 | ~1913 |
| John Larsen | Son | — | 15 | ~1905 |
Census Appearances
1920
Delaware, Pennsylvania
Spouse, age 36
Delaware, Pennsylvania · implied b. ~1884 — 7 household members
| Surname | Larsen |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Poland |
| Year of Immigration | 1907 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | No |
| Mother Tongue | Polish |
| Birth Country | Poland |
| Birthplace (normalized) | poland |
Spouse, age 46
Delaware, Pennsylvania · implied b. ~1884 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Poland |
| Naturalization Status | First papers filed |
| Year of Immigration | 1913 |
| Age at First Marriage | 21 |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Polish |
| 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 Larsen across 2 US Census years (1920 and 1930) in Delaware, Pennsylvania, using XGBoost record linkage.
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This person
Anchor record
Mary Larsen
Spouse · 1920 · age 36 · b. ~1884 · Pennsylvania
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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 — Delaware, Pennsylvania
Open full size
1920 US Federal Census — Delaware, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1561unit:1091)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Samuel Mishoz | 31 | Head | Merchant | Russia |
| 2 | Kate Mishoz | 25 | Wife | — | Russia |
| 3 | Sophie Mishoz | 6 | Daughter | — | Pennsylvania |
| 4 | Ida Mishoz | 2 | Daughter | — | Pennsylvania |
| 5 | Douglas Krawczuk | 27 | Head | Laborer | Russia |
| 6 | Eva Krawczuk | 24 | Wife | — | Russia |
| 7 | Alexander Krawczuk | 1 | Son | — | Pennsylvania |
| 8 | Martin Gwarzoz | 27 | Head | Laborer | Russia |
| 9 | Emma Gwarzoz | 27 | Wife | — | Russia |
| 10 | Olga Gwarzoz | 3 | Daughter | — | Pennsylvania |
| 11 | Laddimere Gwarzoz | 1 | Daughter | — | Pennsylvania |
| 12 | Rudolph Pitner | 37 | Head | Laborer | Russia |
| 13 | Stephina Pitner | 25 | Wife | — | Russia |
| 14 | Mary Pitner | 1 | Daughter | — | Pennsylvania |
| 15 | Walter Diduck | 39 | Boarder | Laborer | Russia |
| 16 | Thomas Supator | 37 | Boarder | — | Russia |
| 17 | Theodore Bagitos | 43 | Boarder | Laborer | Russia |
| 18 | Peter Wilson | 44 | Boarder | Laborer | Russia |
| 19 | Anastacia Left | 51 | Boarder | Laborer | Russia |
| 20 | Hyman Chazin | 29 | Head | Laborer | Russia |
| 21 | Shira Chazin | 25 | Wife | — | Russia |
| 22 | Sam Chazin | 2 | Son | — | Pennsylvania |
| 23 | Sarah Chazin | 0 | Daughter | — | Pennsylvania |
| 24 | Frank Gialowski | 34 | Head | Laborer | Poland |
| 25 | Clemence Gialowski | 34 | Wife | — | Poland |
| 26 | John Gialowski | 9 | Son | — | Pennsylvania |
| 27 | Josephine Gialowski | 6 | Daughter | — | Pennsylvania |
| 28 | Stanley Gialowski | 3 | Son | — | Pennsylvania |
| 29 | Andrew Innis | 55 | Head | Merchant | Poland |
| 30 | Archer Howard | 25 | Head | Engineer | Maryland |
| 31 | Angie L. Howard | 21 | Wife | — | Maryland |
| 32 | Roy Debrick | 17 | Boarder | Electrician | Maryland |
| 33 | Charles Smith | 52 | Head | Electrician | Maryland |
| 34 | Elizabeth Smith | 42 | Wife | — | Maryland |
| 35 | Elsie E. Smith | 22 | Daughter | — | Maryland |
| 36 | Elizabeth Howard | 12 | Daughter | — | Maryland |
| 37 | John Larsen | 46 | Head | Laborer | Poland |
| 38 | Mary Larsen THIS PERSON | 36 | Wife | — | Poland |
| 39 | John Larsen | 15 | Son | — | Poland |
| 40 | Alfred Larsen | 11 | Son | — | Pennsylvania |
| 41 | Joseph Larsen | 9 | Son | — | Pennsylvania |
| 42 | Alice Larsen | 7 | Daughter | — | Pennsylvania |
| 43 | Theodora Larsen | 4 | Daughter | — | Pennsylvania |
| 44 | Paul Dougherty | 46 | Head | Laborer | Poland |
| 45 | Jennie Dougherty | 16 | Daughter | Spinner | Poland |
| 46 | Adolf Dougherty | 10 | Son | — | Poland |
| 47 | Joseph Fenick | 24 | Boarder | Laborer | Poland |
| 48 | Walter Baren | 19 | Son | Laborer | Poland |
| 49 | George Larsen | 36 | Head | Laborer | Poland |
| 50 | Nellie Larsen | 30 | Wife | — | Poland |
Related Census Records
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)