MC
Mary Carr — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Mary Carr across the 1920, 1930 and 1940 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 8-person household.
Age 30
b. ~1890
Female
Spouse
Born: Austria
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Allegheny, Pennsylvania |
| Surname | Carr |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Austria |
| Year of Immigration | 1906 |
| Naturalization Status | Alien |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Additional Details | |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Mother Tongue | Slavish |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1890 |
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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Rubbie Carr | Daughter | — | 4 | ~1916 |
| Mary Carr | Daughter | — | 1 | ~1919 |
| Anna Carr | Daughter | — | 9 | ~1911 |
| Mike Carr | Head | — | 50 | ~1870 |
| Mike Carr | Son | — | ~1920 | |
| Charles Carr | Son | — | 12 | ~1908 |
| John Carr | Son | — | 17 | ~1903 |
| Mary Carr | Spouse | — | 30 | ~1890 |
Census Appearances
1920
Allegheny, Pennsylvania
Spouse, age 30
Allegheny, Pennsylvania · implied b. ~1890 — 8 household members
| Surname | Carr |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Austria |
| Year of Immigration | 1906 |
| Naturalization Status | Alien |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Mother Tongue | Slavish |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
1930
Allegheny, Pennsylvania
Other, age 43
Allegheny, Pennsylvania · implied b. ~1887 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carr |
| Given Name | Margaret |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Austria |
| Naturalization Status | Naturalized |
| Year of Immigration | 1905 |
| Age at First Marriage | 24 |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
1940
Allegheny-County, Pennsylvania
Head, age 52
Allegheny-County, Pennsylvania · implied b. ~1888 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kahr |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Widowed |
| Birthplace | Austria |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Occupation | Teacher |
| Industry | School |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
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 Carr across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Carr
Spouse · 1920 · age 30 · b. ~1890 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Allegheny, Pennsylvania
Open full size
1920 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1527unit:0517)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elizabeth Matahik | 2 | Daughter | — | Pennsylvania |
| 2 | Louis Kortak | 30 | Head | Laborer | Austria |
| 3 | Margaret Kortak | 20 | Wife | — | Austria |
| 4 | Mike Carr | 50 | Head | Laborer | Austria |
| 5 | Mary Carr THIS PERSON | 30 | Wife | — | Austria |
| 6 | John Carr | 17 | Son | Laborer | Pennsylvania |
| 7 | Charles Carr | 12 | Son | — | Pennsylvania |
| 8 | Anna Carr | 9 | Daughter | — | Pennsylvania |
| 9 | Rubbie Carr | 4 | Daughter | — | Pennsylvania |
| 10 | Mary Carr | 1 | Daughter | Laborer | Pennsylvania |
| 11 | Mike Carr | 0 | Son | — | Pennsylvania |
| 12 | Sam Namychick | 37 | Head | Laborer | Austria |
| 13 | Sussie Namychick | 33 | Wife | — | Austria |
| 14 | Steve Namychick | 13 | Son | — | Austria |
| 15 | Mary Namychick | 6 | Daughter | — | Pennsylvania |
| 16 | Agnes Namychick | 3 | Daughter | — | Pennsylvania |
| 17 | Bertha Namychick | 1 | Daughter | — | Pennsylvania |
| 18 | Margaret Nagurskich | 64 | Head | House Keeper | Croatia |
| 19 | Matt Berdach | 26 | Boarder | Laborer | Croatia |
| 20 | Andy Pehpich | 37 | Boarder | Laborer | Croatia |
| 21 | Charles Torkovwitz | 41 | Boarder | Laborer | Croatia |
| 22 | Ollie Loprokowitz | 28 | Boarder | Laborer | Croatia |
| 23 | Mike Berdkovoh | 33 | Boarder | Laborer | Croatia |
| 24 | Benard Grbavac | 26 | Boarder | Laborer | Croatia |
| 25 | Martin Baris | 28 | Boarder | Laborer | Croatia |
| 26 | Mike Krakjervic | 25 | Boarder | Laborer | Croatia |
| 27 | Tom Kratkich | 35 | Boarder | Laborer | Croatia |
| 28 | Samuel S. Reed | 36 | Head | Driver | Virginia |
| 29 | Dazzie A. R. Reed | 36 | Wife | — | Maryland |
| 30 | Frederick D. Hohland | 33 | Boarder | Porter | Maryland |
| 31 | John Lohowichtz | 47 | Head | Laborer | Croatia |
| 32 | Anna Lohowichtz | 37 | Wife | Laborer | Croatia |
| 33 | Francis Lohowichtz | 15 | Daughter | — | Pennsylvania |
| 34 | Anna Lohowichtz | 7 | Daughter | — | Pennsylvania |
| 35 | Daniel J. Brewer | 44 | Head | Laborer | Mississippi |
| 36 | Bertha Brewer | 39 | Wife | — | Alabama |
| 37 | Dennis Harris | 37 | Head | Fireman | Alabama |
| 38 | Martha Harris | 34 | Wife | — | Alabama |
| 39 | John Kotahic | 45 | Head | Laborer | Austria |
| 40 | Mary Kotahic | 45 | Wife | — | Austria |
| 41 | Theresa Kotahic | 13 | Daughter | — | Austria |
| 42 | Fred Kotahic | 11 | Son | — | Austria |
| 43 | Joseph Rapak | 26 | Head | Laborer | Austria |
| 44 | Helen Rapak | 20 | Wife | — | Austria |
| 45 | Emma Rapak | 1 | Daughter | — | Pennsylvania |
| 46 | Pehla Svarny | 28 | Head | Pressman | Austria |
| 47 | Franda Svarny | 20 | Wife | — | Austria |
| 48 | William Svarny | 5 | Son | — | Pennsylvania |
| 49 | Joseph Svarny | 3 | Son | — | Pennsylvania |
| 50 | Francis Svarny | 2 | Daughter | — | Pennsylvania |
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)