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John Muller — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Weld, Colorado
Our Model Tree links this John Muller across the 1930 and 1940 US Censuses in Weld, Colorado (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 8-person household.
Age 11
b. ~1919
Male
Son
Born: Colorado
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Weld, Colorado |
| Surname | Muller |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Colorado |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Precinct 27 Outside Greeley |
| Est. Birth Year | ~1919 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Marvin Muller | Son | — | 9 | ~1921 |
| Joseph Maslady | Other | — | 25 | ~1905 |
| Carl Adams | Other | — | 20 | ~1910 |
| David Muller | Son | — | 7 | ~1923 |
| Jack Muller | Head | — | 34 | ~1896 |
| John Muller | Son | — | 11 | ~1919 |
| Edith Muller | Spouse | — | 31 | ~1899 |
| Fred Muller | Son | — | 4 | ~1926 |
Census Appearances
1930
Weld, Colorado
Son, age 11
Weld, Colorado · implied b. ~1919 — 8 household members
| Surname | Muller |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Colorado |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Weld-County, Colorado
Son, age 21
Weld-County, Colorado · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mueller |
| Given Name | John O. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Precinct 10 |
| 1935 Residence (County) | Weld |
| Hours Worked | 56 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| 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 Muller across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Muller
Son · 1930 · age 11 · b. ~1919 · Colorado
★ You are viewing this record
Sibling
Fred Muller
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Muller
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marvin Muller
Sibling · 1930 · age 9
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 — Weld, Colorado
Open full size
1930 US Federal Census — Weld, Colorado
Page Contents
50 people indexed on this census page (ia:1930:15thcensus252unit:0059)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Mcconnell | 27 | Head | Farmer | Colorado |
| 2 | Mildred Mcconnell | 24 | Wife | — | Colorado |
| 3 | Dorothy Mcconnell | 4 | Daughter | — | Colorado |
| 4 | John H. Mcconnell | 3 | Son | — | Colorado |
| 5 | Barbara Mcconnell | 1 | Daughter | — | Colorado |
| 6 | Anna Mcconnell | 57 | Mother-in-law | — | Illinois |
| 7 | Hugh Mcconnell | 67 | Father | — | Ohio |
| 8 | Lawrence Fauney | 22 | Cousin | Hired-Man | Nebraska |
| 9 | Harry Slater | 58 | Head | Farmer | Illinois |
| 10 | Marie Slater | 30 | Wife | — | Illinois |
| 11 | Marie Young | 32 | Daughter | Hired-Man | Ohio |
| 12 | Effie Riechel | 62 | Head | — | Iowa |
| 13 | Arthur Riechel | 35 | Son | Farmer | Nebraska |
| 14 | Clyde Riechel | 29 | Son | Farmer | Nebraska |
| 15 | Gerhard Riechel | 27 | Son | Farmer | Nebraska |
| 16 | Ethel Riechel | 25 | Daughter | Stenographer | Nebraska |
| 17 | John Riechel | 42 | Son | — | Nebraska |
| 18 | Francis Budelier | 67 | Head | Farmer | Illinois |
| 19 | Charles Budelier | 43 | Son | Farmer | Illinois |
| 20 | William Budelier | 41 | Son | — | Illinois |
| 21 | Alfred Budelier | 37 | Son | — | Illinois |
| 22 | John Budelier | 77 | Father | Farmer | Germany |
| 23 | Donald Cameron | 42 | Hired man | Hired-Man | Canada-Eng |
| 24 | William Mcconnell | 60 | Head | Farmer | Pennsylvania |
| 25 | William Lutes | 36 | Hired man | Hired-Man | Missouri |
| 26 | Mary Lutes | 40 | Head | Farmer | Missouri |
| 27 | May Lutes | 42 | Wife | — | Missouri |
| 28 | Herbert Lutes | 17 | Son | — | Missouri |
| 29 | John Lutes | 15 | Son | — | Missouri |
| 30 | Z. Clarice | 30 | Head | Hired-Man | New Mexico |
| 31 | Clarice | 19 | Son | — | New Mexico |
| 32 | Clarice | 17 | Son | — | New Mexico |
| 33 | A. Proll | 41 | Head | Farmer | Nebraska |
| 34 | Mary Proll | 18 | Daughter | — | Colorado |
| 35 | John Proll | 15 | Son | — | Colorado |
| 36 | Charles Proll | 11 | Son | — | Colorado |
| 37 | James Proll | 32 | Hired man | Hired-Man | Nebraska |
| 38 | Walter Midcap | 26 | Head | Farmer | Kansas |
| 39 | Verla Midcap | 22 | Wife | — | Kansas |
| 40 | Donna Midcap | 3 | Daughter | — | Colorado |
| 41 | Vernon Midcap | 0 | Son | — | Colorado |
| 42 | Ada John Midcap | 22 | Hired man | Hired-Man | Missouri |
| 43 | Jack Muller | 34 | Head | Farmer | Iowa |
| 44 | Edith Muller | 31 | Wife | — | Colorado |
| 45 | John Muller THIS PERSON | 11 | Son | — | Colorado |
| 46 | Marvin Muller | 9 | Son | — | Colorado |
| 47 | David Muller | 7 | Son | — | Colorado |
| 48 | Fred Muller | 4 | Son | — | Colorado |
| 49 | Joseph Maslady | 25 | Hired man | Hired-Man | Colorado |
| 50 | Carl Adams | 20 | Hired man | Hired-Man | Kansas |
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)