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Mary Lang — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Peoria, Illinois
Our Model Tree links this Mary Lang across the 1920, 1930 and 1940 US Censuses in Peoria, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1869), then head of a 6-person household.
Age 51
b. ~1869
Female
Spouse
Born: Germany
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Peoria, Illinois |
| Surname | Lang |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Germany |
| Year of Immigration | 1905 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Germany |
| Year of Naturalization | 1905 |
| Birthplace (normalized) | germany |
| Township / Ward | City Of Peoria |
| Est. Birth Year | ~1869 |
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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Fritz Gernau | Other | — | 32 | ~1888 |
| Gertrude Lang | Daughter | — | 12 | ~1908 |
| Michael Boos | Other | — | 70 | ~1850 |
| Edmund Lang | Head | — | 50 | ~1870 |
| Mary Lang | Spouse | — | 51 | ~1869 |
| Harold Lang | Son | — | 14 | ~1906 |
Census Appearances
1920
Peoria, Illinois
Spouse, age 51
Peoria, Illinois · implied b. ~1869 — 6 household members
| Surname | Lang |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Germany |
| Year of Immigration | 1905 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Germany |
| Year of Naturalization | 1905 |
| Birthplace (normalized) | germany |
1930
Peoria, Illinois
Spouse, age 62
Peoria, Illinois · implied b. ~1868 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lang |
| Given Name | Marie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1902 |
| Age at First Marriage | 32 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1940
Peoria-County, Illinois
Spouse, age 70
Peoria-County, Illinois · implied b. ~1870
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Long |
| Given Name | Marie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Germany |
| 1935 Residence (City) | Peoria City |
| 1935 Residence (County) | Peoria |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Hours Worked | 45 |
| Highest Grade | H 8 |
| 1935 Residence | Same Place |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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 Lang across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Lang
Spouse · 1920 · age 51 · b. ~1869 · Illinois
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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 — Peoria, Illinois
Open full size
1920 US Federal Census — Peoria, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu399unit:0275)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Emma Lennon | 19 | Daughter | — | Illinois |
| 52 | Gladys Lennon | 19 | Daughter | — | Illinois |
| 53 | Lillian Lennon | 16 | Daughter | Clerk | Illinois |
| 54 | Ada Belle Lennon | 14 | Daughter | — | Illinois |
| 55 | Lois Lennon | 12 | Daughter | — | Illinois |
| 56 | De Holt Lennon | 81 | Father | — | Illinois |
| 57 | Irene Clough | 30 | Daughter | — | Illinois |
| 58 | Howard Clough | 26 | Son-in-law | Civil Engineer | Illinois |
| 59 | Emmett R. Hogan | 22 | Son-in-law | Chauffeur | Illinois |
| 60 | Walter Young | 39 | Head | Laborer | Illinois |
| 61 | Bessie Young | 28 | Wife | — | Illinois |
| 62 | Michael J. Harrigan | 57 | Head | Machinist | Illinois |
| 63 | Mary Harrigan | 52 | Wife | — | Illinois |
| 64 | Francis A. Harrigan | 23 | Son | Stenographer | Illinois |
| 65 | William A. Harrigan | 21 | Son | Clerk | Illinois |
| 66 | Michael J. Harrigan | 19 | Son | Clerk | Illinois |
| 67 | Mary Harrigan | 18 | Daughter | Stenographer | Illinois |
| 68 | Margaret Harrigan | 15 | Daughter | — | Illinois |
| 69 | Evelyn M. Harrigan | 12 | Daughter | — | Illinois |
| 70 | Ora Jones | 29 | Head | Chauffeur | Illinois |
| 71 | Mary Jones | 32 | Wife | — | Illinois |
| 72 | Otto Rosenbush | 31 | Brother-in-law | Laborer | Illinois |
| 73 | Elvina Scott | 56 | Head | — | Michigan |
| 74 | Stephen Scott | 43 | Son | Switchman | Illinois |
| 75 | Sarah Ellen Ewalt | 67 | Head | — | Indiana |
| 76 | Daniel R. Seeds | 59 | Brother | Trimmer | Indiana |
| 77 | Marguerite Tagg | 16 | Boarder | — | Iowa |
| 78 | Fred Montgomery | 24 | Head | Chauffeur | Illinois |
| 79 | Pearl Montgomery | 19 | Wife | — | Illinois |
| 80 | Edward Kirkwood | 22 | Brother-in-law | Chauffeur | Illinois |
| 81 | George Kirkwood | 20 | Brother-in-law | Trucker | Illinois |
| 82 | William Kirkwood | 16 | Brother-in-law | Laborer | Illinois |
| 83 | Andrew Kirkwood | 53 | Father-in-law | Laborer | Illinois |
| 84 | Elizabeth Kirkwood | 44 | Mother-in-law | — | Ireland |
| 85 | Bernard Mcclure | 38 | Head | Laborer | Illinois |
| 86 | Helen Mcclure | 29 | Wife | — | Missouri |
| 87 | Lawrence Mcclure | 12 | Son | Laborer | Illinois |
| 88 | Ella Mcclure | 13 | Daughter | — | Illinois |
| 89 | Edmund Lang | 50 | Head | Laborer | Germany |
| 90 | Mary Lang THIS PERSON | 51 | Wife | — | Germany |
| 91 | Harold Lang | 14 | Son | — | Illinois |
| 92 | Gertrude Lang | 12 | Daughter | — | Illinois |
| 93 | Fritz Gernau | 32 | Boarder | Laborer | Illinois |
| 94 | Michael Boos | 70 | Boarder | — | Germany |
| 95 | Alfred U. White | 62 | Head | Watchman | Illinois |
| 96 | Ophelia White | 61 | Wife | — | Illinois |
| 97 | Edward Ulrich | 30 | Son-in-law | Deputy Recorder | Illinois |
| 98 | Edna Ulrich | 30 | Daughter | — | Illinois |
| 99 | Vernon D. Campbell | 9 | Grandson | — | Oklahoma |
| 100 | Edward J. Campbell | 7 | Grandson | — | Illinois |
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)