JC
John Chapman — 1930 US Census Record
Model Tree available1930 United States Federal Census · Fremont, Colorado
Our Model Tree links this John Chapman across the 1910, 1920 and 1930 US Censuses in Fremont, Colorado (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1903), then head of a 4-person household.
Age 27
b. ~1903
Male
Son
Born: Colorado
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Fremont, Colorado |
| Surname | Chapman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | England |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Laborer |
| Industry | Steam Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Laborer |
| Township / Ward | Rockvale Town |
| Est. Birth Year | ~1903 |
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 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Chapman | Head | — | 73 | ~1857 |
| Jessie Chapman | Other | — | 59 | ~1871 |
| Francis Chapman | Son | — | 19 | ~1911 |
| John Chapman | Son | — | 27 | ~1903 |
Census Appearances
1910
Fremont, Colorado
Son, age 7
Fremont, Colorado · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Eng |
| Mother's Birthplace | Pennsylvania |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1920
Fremont, Colorado
Son, age 17
Fremont, Colorado · implied b. ~1903 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | England |
| Mother's Birthplace | Pennsylvania |
| Occupation | Miner |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Fremont, Colorado
Son, age 27
Fremont, Colorado · implied b. ~1903 — 4 household members
| Surname | Chapman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | England |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Steam Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Chapman across 3 US Census years (1910, 1920 and 1930) in Fremont, Colorado, using XGBoost record linkage. Identified parents: father John Chapman (~0.92 confidence) and father John Chapman (~0.92 confidence) and mother Jane Chapman (~0.92 confidence) and father John Chapman (~0.92 confidence) and mother Pearl Chapman (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Chapman
b. ~1856
Source father
● Household
· direct · ~0.92
Father
John Chapman
b. ~1857
Source father
● Household
· direct · ~0.92
Mother
Jane Chapman
b. ~1871
Source mother
● Household
· direct · ~0.92
Father
John Chapman
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Pearl Chapman
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Chapman
Son · 1930 · age 27 · b. ~1903 · Colorado
★ You are viewing this record
Sibling
Francis Chapman
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Fremont, Colorado
Open full size
1930 US Federal Census — Fremont, Colorado
Page Contents
50 people indexed on this census page (ia:1930:15thcensus241unit:0447)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Albert Feprheiley | 12 | Lodger | — | Colorado |
| 52 | Mary Williams | 59 | Mother in law | — | Illinois |
| 53 | Phillip Lockett | 56 | Head | Miner | England |
| 54 | Ella Lockett | 46 | Wife-H | — | Tennessee |
| 55 | Ruth Lockett | 16 | Daughter | — | Colorado |
| 56 | Regina Lockett | 14 | Daughter | — | Colorado |
| 57 | Frances Lockett | 8 | Daughter | — | Colorado |
| 58 | Oliver Lockett | 4 | Son | — | Colorado |
| 59 | Charles Salardies | 28 | Head | — | Louisiana |
| 60 | Lena Salardies | 22 | Wife-H | — | Colorado |
| 61 | Vivian Salardies | 3 | Daughter | — | Colorado |
| 62 | Julia Kopstok | 67 | Head-H | — | Poland |
| 63 | Mike Zavilla | 36 | Head | Miner | Poland |
| 64 | Catherine Zavilla | 27 | Wife-H | — | Pennsylvania |
| 65 | Helen Zavilla | 11 | Daughter | — | Colorado |
| 66 | Rose Zavilla | 8 | Daughter | — | Colorado |
| 67 | Rachael Zavilla | 3 | Daughter | — | Colorado |
| 68 | William E Johnson | 76 | Head | — | England |
| 69 | Hannah Johnson | 65 | Wife-H | — | England |
| 70 | Milbert Dewhurst | 51 | Head | Seamstress | England |
| 71 | Agatha Dewhurst | 24 | Daughter | Miner | Colorado |
| 72 | Agatha Dewhurst | 15 | Daughter | — | Colorado |
| 73 | Christian Spiker | 67 | Head | Miner | Pennsylvania |
| 74 | William D Armstrong | 64 | Head | Dairying | Indiana |
| 75 | Mary Armstrong | 60 | Wife-H | — | Missouri |
| 76 | Edmund Kittle | 71 | Head | — | Canada-Eng |
| 77 | Mary Kittle | 68 | Wife-H | — | Scotland |
| 78 | Mable Kittle | 38 | Daughter | — | Colorado |
| 79 | William Kittle | 11 | Grandson | — | Colorado |
| 80 | Lewis Beaker | 37 | Head | Salesman | Colorado |
| 81 | Alice Beaker | 34 | Wife-H | — | Iowa |
| 82 | William Beaker | 13 | Son | — | Colorado |
| 83 | Vonda Beaker | 6 | Daughter | — | Colorado |
| 84 | Lewis Beaker | 2 | Son | — | Colorado |
| 85 | David Arthur | 61 | Head | Miner | Maryland |
| 86 | Grace Arthur | 54 | Wife-H | — | Illinois |
| 87 | Willard Arthur | 26 | Son | Salesman | Colorado |
| 88 | Samuel Pollard | 52 | Boarder | Miner | England |
| 89 | John Chapman | 73 | Head | — | England |
| 90 | Jessie Chapman | 59 | Wife-H | — | Pennsylvania |
| 91 | John Chapman THIS PERSON | 27 | Son | Laborer | Colorado |
| 92 | Francis Chapman | 19 | Son | Salesman | Colorado |
| 93 | David J Scalliet | 50 | Head | Miner | Scotland |
| 94 | Catherine Scalliet | 49 | Wife-H | — | Illinois |
| 95 | Samuel Scalliet | 20 | Son | Miner | Colorado |
| 96 | Margaret Scalliet | 19 | Daughter | Clerk | Colorado |
| 97 | Letha Scalliet | 16 | Daughter | — | Colorado |
| 98 | Vonda Scalliet | 12 | Daughter | — | Colorado |
| 99 | Jean Scalliet | 5 | Daughter | — | Colorado |
| 100 | Jesse J Penny | 46 | Head | Miner | England |
Pedigree Summary
John + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)