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John Conrad — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Grundy, Illinois
Our Model Tree links this John Conrad across the 1900 and 1910 US Censuses in Grundy, Illinois (XGBoost, ~Confirmed) — first a head (b.~1853), then head of a 15-person household.
Age 47
b. ~1853
Male
Head
Born: Germany
Married
1900 Census Record Details
| Census Year | 1900 |
| Location | Grundy, Illinois |
| Surname | Conrad |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Germany |
| Birth Month | July |
| Birth Year | 1853 |
| Year of Immigration | 1858 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | Farmer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Occupation | Farmer |
| Township / Ward | Goodfarm Township |
| Est. Birth Year | ~1853 |
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.
15 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Anna Conrad | Daughter | — | 16 | ~1884 |
| Christina Conrad | Daughter | — | 11 | ~1889 |
| Emma Conrad | Daughter | — | 8 | ~1892 |
| John Conrad | Son | — | 4 | ~1896 |
| John Conrad | Head | — | 47 | ~1853 |
| Clara Conrad | Daughter | — | 14 | ~1886 |
| Minnie Conrad | Daughter | — | 2 | ~1898 |
| Lizzie Conrad | Daughter | — | 13 | ~1887 |
| Ida Conrad | Daughter | — | 10 | ~1890 |
| Philipp Conrad | Son | — | ~1900 | |
| Bertha Conrad | Daughter | — | 19 | ~1881 |
| Albert Conrad | Son | — | 18 | ~1882 |
| George Dreske | Other | — | 25 | ~1875 |
| Ida Conrad | Spouse | — | 39 | ~1861 |
| Sophia Conrad | Daughter | — | 6 | ~1894 |
Census Appearances
1900
Grundy, Illinois
Head, age 47
Grundy, Illinois · implied b. ~1853 — 15 household members
| Surname | Conrad |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Germany |
| Birth Month | July |
| Birth Year | 1853 |
| Year of Immigration | 1858 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1910
Grundy, Illinois
Head, age 56
Grundy, Illinois · implied b. ~1854 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Konrad |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Germany |
| Years Married | 27 |
| Year of Immigration | 1884 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Industry | General Farm |
| 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 John Conrad across 2 US Census years (1900 and 1910) in Grundy, Illinois, using XGBoost record linkage.
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This person
Anchor record
John Conrad
Head · 1900 · age 47 · b. ~1853 · 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 — Grundy, Illinois
Open full size
1900 US Federal Census — Grundy, Illinois
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu303unit:0728)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John Conrad THIS PERSON | 46 | Head | Farmer | Germany |
| 52 | Ida H Conrad | 38 | Wife | — | Germany |
| 53 | Bertha M Conrad | 19 | Daughter | — | Illinois |
| 54 | Albert S Conrad | 17 | Son | At School | Illinois |
| 55 | Anna M Conrad | 15 | Daughter | At School | Illinois |
| 56 | Clara L Conrad | 14 | Daughter | At School | Illinois |
| 57 | Lizzie M Conrad | 12 | Daughter | At School | Illinois |
| 58 | Christina B Conrad | 10 | Daughter | At School | Illinois |
| 59 | Ida M Conrad | 9 | Daughter | At School | Illinois |
| 60 | Emma W Conrad | 7 | Daughter | — | Illinois |
| 61 | Sophia C Conrad | 6 | Daughter | — | Illinois |
| 62 | John H Conrad | 4 | Son | — | Illinois |
| 63 | Minnie M Conrad | 2 | Daughter | — | Illinois |
| 64 | Philipp S Conrad | 0 | Son | — | Illinois |
| 65 | George Dreske | 24 | Boarder | Farmer Labor | Germany |
| 66 | John Both | 47 | Head | Farmer | Germany |
| 67 | Marie Both | 41 | Wife | — | Germany |
| 68 | Leonard A Both | 23 | Son | Farmer | Illinois |
| 69 | John J Both | 19 | Son | At School | Illinois |
| 70 | William Both | 9 | Son | At School | Illinois |
| 71 | Mary B Both | 6 | Daughter | — | Illinois |
| 72 | Fredrick Groth | 19 | Servant | Farm Labor | Illinois |
| 73 | Christ Klugher | 64 | Head | Farmer | Germany |
| 74 | Matilda Klugher | 30 | Daughter | — | Illinois |
| 75 | George Klugher | 27 | Son | Farmer | Illinois |
| 76 | Adolph Burk | 63 | Head | Farmer | Germany |
| 77 | Julie Burk | 58 | Wife | — | New York |
| 78 | Louis Burk | 38 | Son | — | Illinois |
| 79 | Annie Burk | 24 | Daughter | — | Illinois |
| 80 | George Burk | 21 | Son | Farmer | Illinois |
| 81 | Clara Burk | 18 | Daughter | — | Illinois |
| 82 | Julie Burk | 16 | Daughter | — | Illinois |
| 83 | William Fenrick | 41 | Head | Farmer | Illinois |
| 84 | Kate Fenrick | 38 | Wife | — | Illinois |
| 85 | Thomas Fenrick | 13 | Son | At School | Illinois |
| 86 | William Fenrick | 12 | Son | At School | Illinois |
| 87 | John Fenrick | 10 | Son | At School | Illinois |
| 88 | Ella Fenrick | 8 | Daughter | At School | Illinois |
| 89 | Collette Fenrick | 6 | Daughter | At School | Illinois |
| 90 | Mary Fenrick | 2 | Daughter | — | Illinois |
| 91 | William Daniher | 30 | Head | Farmer | Illinois |
| 92 | Elizabeth Daniher | 31 | Wife | — | Illinois |
| 93 | James Daniher | 8 | Son | At School | Illinois |
| 94 | John Daniher | 7 | Son | At School | Illinois |
| 95 | Irene Daniher | 5 | Daughter | — | Illinois |
| 96 | Johanah Daniher | 2 | Daughter | — | Illinois |
| 97 | Mary Daniher | 0 | Daughter | — | Illinois |
| 98 | Sherman Spencer | 39 | Head | Farmer | Illinois |
| 99 | Clara Spencer | 28 | Wife | — | Illinois |
| 100 | Leila M Spencer | 6 | Daughter | — | Minnesota |
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)