JC
John Conrad — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cuyahoga, Ohio
Our Model Tree links this John Conrad across the 1920, 1930 and 1940 US Censuses in Cuyahoga, Ohio (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 5-person household.
Age 40
b. ~1880
Male
Head
Born: Germany
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Cuyahoga, Ohio |
| Surname | Conrad |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Germany |
| Year of Immigration | 1892 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Carpenter House |
| Class of Worker | W |
| Mother Tongue | German |
| Home Owned/Rented | R |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Occupation | Carpenter |
| Township / Ward | Cleveland City |
| Est. Birth Year | ~1880 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Anna Conrad | Spouse | — | 31 | ~1889 |
| Earl Conrad | Son | — | 12 | ~1908 |
| John Conrad | Head | — | 40 | ~1880 |
| Margaret Conrad | Daughter | — | 8 | ~1912 |
| John Conrad | Son | — | 10 | ~1910 |
Census Appearances
1920
Cuyahoga, Ohio
Head, age 40
Cuyahoga, Ohio · implied b. ~1880 — 5 household members
| Surname | Conrad |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Germany |
| Year of Immigration | 1892 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Carpenter |
| Industry | Carpenter House |
| Class of Worker | W |
| Mother Tongue | German |
| Home Owned/Rented | R |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1930
Cuyahoga, Ohio
Head, age 51
Cuyahoga, Ohio · implied b. ~1879 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conrady |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1891 |
| Age at First Marriage | 20 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | gardner |
| Industry | private family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1940
Lorain-County, Ohio
Head, age 64
Lorain-County, Ohio · implied b. ~1876 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conrady |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Germany |
| 1935 Residence (City) | Cleveland |
| Naturalization Status | Naturalized |
| Occupation | Gardener |
| Industry | Estate |
| Class of Worker | PW |
| Hours Worked | 49 |
| Income (1939) | 195 |
| Highest Grade | No 8 |
| 1935 Residence | Ohio |
| 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Conrad
Head · 1920 · age 40 · b. ~1880 · Ohio
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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 — Cuyahoga, Ohio
Open full size
1920 US Federal Census — Cuyahoga, Ohio
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1373unit:1027)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William Fink | 25 | Son | — | Ohio |
| 52 | Louis Fink | 21 | Son | — | Ohio |
| 53 | Alberta Fink | 18 | Daughter | — | Ohio |
| 54 | Richard Worth | 31 | Head | Electrician | Germany |
| 55 | Irene Worth | 24 | Wife | — | Ohio |
| 56 | Bernice Worth | 1 | Daughter | — | Ohio |
| 57 | Albert Ault | 34 | Head | Machinist | Germany |
| 58 | Grace Ault | 27 | Wife | — | Pennsylvania |
| 59 | Richard Ault | 5 | Son | — | Ohio |
| 60 | Albert Ault | 4 | Son | — | Ohio |
| 61 | Louis Ault | 2 | Son | — | Ohio |
| 62 | Maxine Ault | 0 | Daughter | — | Ohio |
| 63 | Sarah Luder | 51 | Mother in law | House Work | Pennsylvania |
| 64 | James Moon | 43 | Head | Machinist | England |
| 65 | Nellie Moon | 42 | Wife | — | Scotland |
| 66 | Winifred Nichols | 18 | Daughter | — | Canada |
| 67 | Agnes Nichols | 16 | Daughter | — | England |
| 68 | Arthur Moon | 45 | Brother | Salesman | England |
| 69 | George Thurman | 34 | Head | Salesman | Pennsylvania |
| 70 | Sarah Thurman | 66 | Mother | — | Pennsylvania |
| 71 | John Conrad THIS PERSON | 40 | Head | Carpenter | Germany |
| 72 | Anna Conrad | 31 | Wife | — | Ohio |
| 73 | Earl Conrad | 12 | Son | — | Ohio |
| 74 | John Conrad | 10 | Son | — | Ohio |
| 75 | Margaret Conrad | 8 | Daughter | — | Ohio |
| 76 | Vince Elmer | 32 | Head | Carpenter | Hungary |
| 77 | Olga Elmer | 24 | Wife | — | Hungary |
| 78 | Vladislov Elmer | 7 | Son | — | Hungary |
| 79 | Stanley Elmer | 5 | Son | — | Ohio |
| 80 | Frank Elmer | 2 | Son | — | Ohio |
| 81 | Mary Elmer | 1 | Daughter | — | Ohio |
| 82 | Mildred Elmer | 0 | Daughter | — | Ohio |
| 83 | Frank Zekov | 51 | Boarder | Laborer | Hungary |
| 84 | Joe Kovar | 51 | Boarder | Laborer | Hungary |
| 85 | Louis Kovar | 34 | Boarder | Laborer | Hungary |
| 86 | Tony Logan | 38 | Boarder | Laborer | Hungary |
| 87 | Steve Valacic | 37 | Head | Laborer | Hungary |
| 88 | Mary Valacic | 30 | Wife | Laborer | Hungary |
| 89 | John Valacic | 11 | Son | — | Ohio |
| 90 | Louisa Valacic | 8 | Daughter | — | Hungary |
| 91 | Adeline Valacic | 7 | Daughter | — | West Virginia |
| 92 | Ray Ingwer | 18 | Head | Machinist | Ohio |
| 93 | Ruth Ingwer | 22 | Wife | — | Ohio |
| 94 | Helen Ingwer | 4 | Daughter | — | Ohio |
| 95 | Alice Ingwer | 1 | Daughter | — | Ohio |
| 96 | Frances Dick | 22 | Boarder | House Work | New York |
| 97 | John Meyers | 35 | Head | Baker | Germany |
| 98 | Martha Meyers | 25 | Wife | — | Germany |
| 99 | Martha Meyers | 9 | Daughter | — | Germany |
| 100 | Elsie Meyers | 7 | Daughter | — | Germany |
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)