JC
John Caldwell — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this John Caldwell across the 1900, 1910 and 1920 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1844), then head of a 6-person household.
Age 76
b. ~1844
Male
Head
Born: Pennsylvania
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Allegheny, Pennsylvania |
| Surname | Caldwell |
| Given Name | John M |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 76 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Farmer |
| Township / Ward | Upper St Clair Township |
| Est. Birth Year | ~1844 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Caldwell | Head | — | 76 | ~1844 |
| Mildred Caldwell | Other | — | 19 | ~1901 |
| W Caldwell | Other | — | 21 | ~1899 |
| Mary Caldwell | Other | — | 23 | ~1897 |
| William Caldwell | Son | — | 45 | ~1875 |
| Margaret Caldwell | Spouse | — | 72 | ~1848 |
Census Appearances
1900
Allegheny, Pennsylvania
Head, age 55
Allegheny, Pennsylvania · implied b. ~1845 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Birth Month | Jan |
| Birth Year | 1845 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Allegheny, Pennsylvania
Head, age 61
Allegheny, Pennsylvania · implied b. ~1849 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Years Married | 38 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | Gen Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Head, age 76
Allegheny, Pennsylvania · implied b. ~1844 — 6 household members
| Surname | Caldwell |
| Given Name | John M |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 76 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Caldwell across 3 US Census years (1900, 1910 and 1920) in Allegheny, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
John Caldwell
Head · 1920 · age 76 · b. ~1844 · 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:1920:14thcensusofpopu1529unit:1036)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John Horack | 40 | head | Miner | Austria |
| 52 | Mary Horack | 30 | wife | — | Austria |
| 53 | Mary M Horack | 7 | daughter | — | Pennsylvania |
| 54 | Frank J Horack | 4 | son | — | Pennsylvania |
| 55 | Lucy R Horack | 3 | daughter | — | Pennsylvania |
| 56 | John J Horack | 1 | son | — | Pennsylvania |
| 57 | Edward H Horack | 0 | son | — | Pennsylvania |
| 58 | Celeste A Cristellon | 33 | head | Millwork | Pennsylvania |
| 59 | Mary E Cristellon | 28 | wife | — | Germany |
| 60 | E Louise Cristellon | 9 | daughter | — | Pennsylvania |
| 61 | George M Cristellon | 7 | son | — | Pennsylvania |
| 62 | Anna M Gunderman | 57 | Mother-in-law | — | Germany |
| 63 | Mozzamo Analozi | 47 | head | Miner | Italy |
| 64 | F Philomena Analozi | 46 | wife | Labor | Italy |
| 65 | Pietro Analozi | 15 | son | — | Italy |
| 66 | Neri Analozi | 13 | daughter | — | Pennsylvania |
| 67 | Anna Analozi | 10 | daughter | — | Pennsylvania |
| 68 | Bruno Analozi | 6 | son | — | Pennsylvania |
| 69 | Mike W Porter | 26 | head | Miner | Austria |
| 70 | Veronica D Porter | 26 | wife | — | Pennsylvania |
| 71 | William J Porter | 7 | son | — | Pennsylvania |
| 72 | Albert M Porter | 5 | son | — | Pennsylvania |
| 73 | Edward J Porter | 2 | son | — | Pennsylvania |
| 74 | Dorothy J Porter | 0 | daughter | — | Pennsylvania |
| 75 | Roger Rigetti | 24 | head | Miner | Austria |
| 76 | Anna Rigetti | 18 | wife | — | Pennsylvania |
| 77 | Joseph A Rigetti | 1 | son | — | Pennsylvania |
| 78 | Joseph C Brownin | 46 | head | Labor | Austria |
| 79 | Ella Brownin | 41 | wife | — | Austria |
| 80 | Eleanor V Brownin | 18 | daughter | Typing | Pennsylvania |
| 81 | Adeline V Brownin | 16 | daughter | — | Pennsylvania |
| 82 | Sadie J Brownin | 12 | daughter | — | Pennsylvania |
| 83 | Raymond A Brownin | 9 | son | — | Pennsylvania |
| 84 | Sam Steiner | 38 | head | Miner | France |
| 85 | Annie Steiner | 33 | wife | — | Austria |
| 86 | Leo H Steiner | 10 | son | — | Pennsylvania |
| 87 | Henry Osthoff | 46 | head | Farmer | Germany |
| 88 | Elizabeth Osthoff | 51 | wife | — | Germany |
| 89 | Ray W Osthoff | 23 | son | Farmer | Pennsylvania |
| 90 | John Seppert | 26 | Boarder | Laborer | Austria |
| 91 | John M Caldwell THIS PERSON | 76 | head | Farmer | Pennsylvania |
| 92 | Margaret J Caldwell | 72 | wife | — | Pennsylvania |
| 93 | William C Caldwell | 45 | son | Farmer | Pennsylvania |
| 94 | Mary Caldwell | 23 | Granddaughter | — | Pennsylvania |
| 95 | W Lawrence Caldwell | 21 | Grandson | — | Pennsylvania |
| 96 | Mildred Caldwell | 19 | Granddaughter | — | Pennsylvania |
| 97 | Andrew Babus | 35 | head | Miner | Hungary |
| 98 | Anna Babus | 36 | wife | — | Hungary |
| 99 | Lambert A Babus | 8 | son | — | West Virginia |
| 100 | Annie S Babus | 7 | daughter | — | West Virginia |
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)