MR
Mary Ross — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Ross across the 1900, 1910 and 1920 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1854), then head of a 4-person household.
Age 46
b. ~1854
Female
Spouse
Born: Germany
Married
1900 Census Record Details
| Census Year | 1900 |
| Location | Cook, Illinois |
| Surname | Ross |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Germany |
| Birth Month | Feb |
| Birth Year | 1854 |
| Year of Immigration | 1881 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Township / Ward | City Of Chicago |
| Est. Birth Year | ~1854 |
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.
4 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Agnes Ross | Daughter | — | 17 | ~1883 |
| Edward Ross | Head | — | 52 | ~1848 |
| Walter Ross | Son | — | 8 | ~1892 |
| Mary Ross | Spouse | — | 46 | ~1854 |
Census Appearances
1900
Cook, Illinois
Spouse, age 46
Cook, Illinois · implied b. ~1854 — 4 household members
| Surname | Ross |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Germany |
| Birth Month | Feb |
| Birth Year | 1854 |
| Year of Immigration | 1881 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1910
Cook, Illinois
Spouse, age 55
Cook, Illinois · implied b. ~1855 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Maria |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Germany |
| Years Married | 53 |
| Children Born | 5 |
| Children Living | 3 |
| Year of Immigration | 1881 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1920
Cook, Illinois
Head, age 64
Cook, Illinois · implied b. ~1856 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Mathilda |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Widowed |
| Birthplace | Germany |
| Year of Immigration | 1879 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Germany |
| Year of Naturalization | un |
| 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 Ross across 3 US Census years (1900, 1910 and 1920) in Cook, Illinois, using XGBoost record linkage.
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This person
Anchor record
Mary Ross
Spouse · 1900 · age 46 · b. ~1854 · Illinois
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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 — Cook, Illinois
Open full size
1900 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu255unit:0804)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | August Kruger | 19 | Son | — | Germany |
| 52 | Henry Kruger | 12 | Son | School | Illinois |
| 53 | Henry Ochrowsky | 54 | Head | — | Germany |
| 54 | Paul Ochrowsky | 27 | Son | Musician | Illinois |
| 55 | Harry Ochrowsky | 16 | Son | Piano Finisher | Illinois |
| 56 | Herman Sturtz | 26 | Head | Carpenter | Illinois |
| 57 | Bertha Sturtz | 29 | Wife | — | Germany |
| 58 | William Sturtz | 3 | Son | — | Illinois |
| 59 | Sarah Sturtz | None | Daughter | — | Illinois |
| 60 | Johanna Duhm | 68 | M. in Law | — | Germany |
| 61 | Herman Koppenhan | 62 | Head | Engineer Stationary | Germany |
| 62 | Hannah Koppenhan | 52 | Wife | — | Germany |
| 63 | Bertha Koppenhan | 22 | Daughter | Dressmaker | Illinois |
| 64 | Herman Koppenhan | 21 | Son | Day Laborer | Illinois |
| 65 | Fred Koppenhan | 19 | Son | Machinist | Illinois |
| 66 | Annie Koppenhan | 12 | Daughter | School | Illinois |
| 67 | Martha Koppenhan | 10 | Daughter | School | Illinois |
| 68 | William Kruger | 39 | Head | Day Laborer | Germany |
| 69 | Johanna Kruger | 35 | Wife | — | Germany |
| 70 | Henry Kruger | 16 | Son | School | Canada |
| 71 | Emil Kruger | 9 | Daughter | School | Illinois |
| 72 | Herman Kruger | 3 | Son | School | Illinois |
| 73 | Martin Schafer | 81 | Head | Day Laborer | Germany |
| 74 | August Badeck | 47 | Head | Day Laborer | Germany |
| 75 | Ottilia Badeck | 48 | Wife | — | Germany |
| 76 | Antonio Opowski | 33 | Head | Day Laborer | Germany |
| 77 | Adam Opowski | 7 | Son | — | Illinois |
| 78 | Clara Opowski | 5 | Daughter | — | Illinois |
| 79 | Max Opowski | 3 | Son | — | Illinois |
| 80 | Fred Kindermann | 49 | Head | — | Germany |
| 81 | August Kindermann | 27 | Son | Teamster | Illinois |
| 82 | Ida Kindermann | 21 | Daughter | Seamstress | Illinois |
| 83 | Fred Kindermann | 22 | Son | Machinist | Illinois |
| 84 | Bertha Kindermann | 19 | Daughter | Seamstress | Illinois |
| 85 | Emil Kindermann | 16 | Son | Day Laborer | Illinois |
| 86 | John Timmerman | 34 | Head | Teamster | Canada |
| 87 | Rose Timmerman | 32 | Wife | — | Illinois |
| 88 | Edward Timmerman | 7 | Son | School | Illinois |
| 89 | Rose Timmerman | 5 | Daughter | School | Illinois |
| 90 | Jennie Timmerman | 4 | Daughter | — | Illinois |
| 91 | Louis Timmerman | 2 | Son | — | Illinois |
| 92 | Joseph Timmerman | None | Son | — | Illinois |
| 93 | Edward Ross | 52 | Head | Day Laborer | Germany |
| 94 | Mary Ross THIS PERSON | 46 | Wife | — | Germany |
| 95 | Agnes Ross | 16 | Daughter | — | Wisconsin |
| 96 | Walter Ross | 7 | Son | School | Illinois |
| 97 | Carl Duhm | 56 | Head | — | Germany |
| 98 | Carl Duhm | 24 | Son | Wood Carver | Germany |
| 99 | Augusta Duhm | 21 | Daughter | Clerk Dry Goods | Germany |
| 100 | Amelia Duhm | 18 | Daughter | Glove Maker | Germany |
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)