AS
Alex Smith — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Weld, Colorado
Our Model Tree links this Alex Smith across the 1910 and 1920 US Censuses in Weld, Colorado (XGBoost, ~Confirmed) — first a son (b.~1908), then head of a 8-person household.
Age 12
b. ~1908
Male
Son
Born: Colorado
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Weld, Colorado |
| Surname | Smith |
| Given Name | Alex |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Additional Details | |
| Occupation | School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | School |
| Township / Ward | Windsor Town |
| Est. Birth Year | ~1908 |
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 1920 census.
| Name | Relation to head | Relative to Alex | Age | Birth yr |
|---|---|---|---|---|
| Molly Smith | Daughter | — | 10 | ~1910 |
| George Smith | Son | — | 9 | ~1911 |
| Alex Smith | Son | — | 12 | ~1908 |
| Bennie Smith | Son | — | 3 | ~1917 |
| Kattie Smith | Spouse | — | 36 | ~1884 |
| George Smith | Head | — | 40 | ~1880 |
| Mary Smith | Daughter | — | 16 | ~1904 |
| Kattie Smith | Daughter | — | 14 | ~1906 |
Census Appearances
1910
Weld, Colorado
Son, age 2
Weld, Colorado · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Alex |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1920
Weld, Colorado
Son, age 12
Weld, Colorado · implied b. ~1908 — 8 household members
| Surname | Smith |
| Given Name | Alex |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| 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 Alex Smith across 2 US Census years (1910 and 1920) in Weld, Colorado, using XGBoost record linkage.
Show:
This person
Anchor record
Alex Smith
Son · 1920 · age 12 · b. ~1908 · Colorado
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Sibling
Molly Smith
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kattie Smith
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bennie Smith
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Smith
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Smith
Sibling · 1920 · 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
1920 US Federal Census — Weld, Colorado
Open full size
1920 US Federal Census — Weld, Colorado
Page Contents
37 people indexed on this census page (ia:1920:14thcensusofpopu172unit:0366)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dave Meyer | 59 | Head | Laborer | Russia |
| 2 | Sara Meyer | 50 | Wife | — | Russia |
| 3 | George Smith | 40 | Head | Butcher | Russia |
| 4 | Kattie Smith | 36 | Wife | — | Russia |
| 5 | Mary Smith | 16 | Daughter | School | Russia |
| 6 | Kattie Jr Smith | 14 | Daughter | School | Russia |
| 7 | Alex Smith THIS PERSON | 12 | Son | School | Colorado |
| 8 | Molly Smith | 10 | Daughter | School | Colorado |
| 9 | George Jr Smith | 9 | Son | School | Colorado |
| 10 | Bennie Smith | 3 | Son | — | Colorado |
| 11 | Henry Held | 31 | Head | Laborer | Russia |
| 12 | Eva Held | 31 | Wife | — | Russia |
| 13 | Alex Held | 10 | Son | School | Russia |
| 14 | Molly Held | 8 | Daughter | School | Russia |
| 15 | Lydia Held | 6 | Daughter | — | Colorado |
| 16 | Rose Held | 3 | Daughter | — | Colorado |
| 17 | Andolf Binger | 59 | Head | Laborer | Russia |
| 18 | Henry Binger | 23 | Head | Laborer | Russia |
| 19 | Annie Binger | 20 | Wife | — | Russia |
| 20 | Minnie Binger | 1 | Daughter | — | Colorado |
| 21 | William Haiser | 60 | Head | Farm | Russia |
| 22 | Eva Haiser | 53 | Wife | — | Russia |
| 23 | Dave H Smith | 41 | Head | Laborer | Russia |
| 24 | Emma Smith | 36 | Wife | — | Russia |
| 25 | Pauline Smith | 10 | Daughter | School | Colorado |
| 26 | George Baumgart | 40 | Head | Laborer | Russia |
| 27 | Mary Baumgart | 30 | Wife | — | Russia |
| 28 | Fred Baumgart | 7 | Son | — | Colorado |
| 29 | Lydia Baumgart | 4 | Daughter | No | Colorado |
| 30 | Helen Baumgart | 1 | Daughter | No | Colorado |
| 31 | George Jr Lontzack | 48 | Head | Farm | Russia |
| 32 | Emma Lontzack | 47 | Wife | — | Russia |
| 33 | Conny Helmer | 48 | Head | Laborer | Russia |
| 34 | Kattie Helmer | 40 | Wife | — | Russia |
| 35 | Kattie Jr Helmer | 19 | Daughter | — | Russia |
| 36 | Marie Helmer | 10 | Daughter | School | Russia |
| 37 | Reinhold Helmer | 2 | Son | — | Colorado |
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)