MS
Martin Smith — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Humboldt, Iowa
Our Model Tree links this Martin Smith across the 1920 and 1930 US Censuses in Humboldt, Iowa (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 11-person household.
Age 2
b. ~1918
Male
Son
Born: Iowa
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Humboldt, Iowa |
| Surname | Smith |
| Given Name | Martin W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Vernon Township |
| Est. Birth Year | ~1918 |
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.
11 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Martin | Age | Birth yr |
|---|---|---|---|---|
| Victor Smith | Son | — | 7 | ~1913 |
| Isaac Smith | Head | — | 36 | ~1884 |
| Donald Smith | Son | — | ~1920 | |
| Harold Smith | Son | — | 8 | ~1912 |
| Lester Smith | Son | — | 10 | ~1910 |
| Martin Smith | Son | — | 2 | ~1918 |
| Bernice Smith | Daughter | — | 13 | ~1907 |
| Gladys Smith | Daughter | — | 12 | ~1908 |
| Louise Smith | Daughter | — | 4 | ~1916 |
| Anna Smith | Spouse | — | 34 | ~1886 |
| Katherine Smith | Daughter | — | 5 | ~1915 |
Census Appearances
1920
Humboldt, Iowa
Son, age 2
Humboldt, Iowa · implied b. ~1918 — 11 household members
| Surname | Smith |
| Given Name | Martin W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Humboldt, Iowa
Son, age 12
Humboldt, Iowa · implied b. ~1918 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Marlin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Martin Smith across 2 US Census years (1920 and 1930) in Humboldt, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Martin Smith
Son · 1920 · age 2 · b. ~1918 · Iowa
★ You are viewing this record
Sibling
Gladys Smith
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Smith
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Smith
Sibling · 1920 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Victor Smith
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Smith
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Smith
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lester Smith
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Smith
Sibling · 1920 · age 4
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 — Humboldt, Iowa
Open full size
1920 US Federal Census — Humboldt, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu494unit:1143)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Samuel Hussey | 31 | Head | Farmer | Wisconsin |
| 2 | Agnes Marie Hussey | 24 | Wife | — | Iowa |
| 3 | Vera Lotus Hussey | 4 | Daughter | — | Iowa |
| 4 | Donald H Hussey | 0 | Son | — | Iowa |
| 5 | William H Rice | 49 | Head | Farmer | Illinois |
| 6 | Augusta Rice | 47 | Wife | — | Sweden |
| 7 | Clara M Rice | 24 | Daughter | — | Iowa |
| 8 | Roy Leonard Rice | 20 | Son | — | Iowa |
| 9 | David H Rice | 18 | Son | — | Iowa |
| 10 | Lillie F Rice | 16 | Daughter | — | Iowa |
| 11 | Matilda M Rice | 14 | Daughter | — | Iowa |
| 12 | Alice G Rice | 8 | Daughter | — | Iowa |
| 13 | Emanuel M Smith | 51 | Head | Farmer | Indiana |
| 14 | Mary Elizabeth Smith | 51 | Wife | — | Iowa |
| 15 | Bertha G Smith | 25 | Daughter | Teacher | Iowa |
| 16 | Harlan H Smith | 20 | Son | — | Iowa |
| 17 | Earl P Smith | 14 | Son | — | Iowa |
| 18 | Glenn L Smith | 14 | Son | — | Iowa |
| 19 | Homer J Davis | 27 | Hired man | Labour | Indiana |
| 20 | William F Gleaner | 48 | Head | Farmer | Illinois |
| 21 | Hattie A Gleaner | 45 | Wife | — | Iowa |
| 22 | Leo N Gleaner | 16 | Son | — | Iowa |
| 23 | Irene Gleaner | 15 | Daughter | — | Iowa |
| 24 | Berenice Gleaner | 9 | Daughter | — | Iowa |
| 25 | Wilma J Gleaner | 8 | Daughter | — | Iowa |
| 26 | W. Alwine Knopf | 43 | Head | Farmer | Germany |
| 27 | Louise Knopf | 45 | Wife | — | Germany |
| 28 | Marie Knopf | 15 | Daughter | — | Iowa |
| 29 | Paul J. H. Knopf | 8 | Son | — | Iowa |
| 30 | Isaac L Smith | 36 | Head | Farmer | Iowa |
| 31 | Anna May Smith | 34 | Wife | — | Wisconsin |
| 32 | Bernice Smith | 13 | Daughter | — | Iowa |
| 33 | Gladys Smith | 12 | Daughter | — | Iowa |
| 34 | Lester E Smith | 10 | Son | — | Iowa |
| 35 | Harold J Smith | 8 | Son | — | Iowa |
| 36 | Victor W Smith | 7 | Son | — | Minnesota |
| 37 | Katherine E Smith | 5 | Daughter | — | Minnesota |
| 38 | Louise Smith | 4 | Daughter | — | Iowa |
| 39 | Martin W Smith THIS PERSON | 2 | Son | — | Iowa |
| 40 | Donald M Smith | 0 | Son | — | Iowa |
| 41 | Charles W Lucas | 52 | Head | Farmer | Pennsylvania |
| 42 | Anna M Lucas | 53 | Wife | — | Illinois |
| 43 | Charles Wesley Lucas | 14 | Son | — | Illinois |
| 44 | Edith F Lucas | 10 | Daughter | — | Iowa |
| 45 | Richard J Fullerton | 87 | Father-in-law | — | Illinois |
| 46 | C. Iris French | 48 | Head | Farmer | Iowa |
| 47 | Anne J French | 47 | Wife | — | Pennsylvania |
| 48 | Fiona G French | 16 | Daughter | — | Iowa |
| 49 | John C French | 20 | Son | Laborer | Iowa |
| 50 | Esther E French | 20 | Daughter-in-law | — | Iowa |
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)