MS
Marian Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ionia-County, Michigan
Our Model Tree links this Marian Smith across the 1930 and 1940 US Censuses in Ionia-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ionia-County, Michigan |
| Surname | Smith |
| Given Name | Marian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Berlin Township |
| 1935 Residence (County) | Ionia |
| Additional Details | |
| Occupation | Teacher |
| Industry | Rural School |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 630 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Teacher |
| Township / Ward | Berlin Township |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marian | Age | Birth yr |
|---|---|---|---|---|
| Ella Smith | Daughter | — | 19 | ~1921 |
| Lester Smith | Son | — | 17 | ~1923 |
| Clarissa Smith | Spouse | — | 65 | ~1875 |
| Marian Smith | Daughter | — | 21 | ~1919 |
| Wellington Smith | Head | — | 66 | ~1874 |
Census Appearances
1930
Ionia, Michigan
Daughter, age 11
Ionia, Michigan · implied b. ~1919 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Marian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Ionia-County, Michigan
Daughter, age 21
Ionia-County, Michigan · implied b. ~1919 — 5 household members
| Surname | Smith |
| Given Name | Marian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Berlin Township |
| 1935 Residence (County) | Ionia |
| Occupation | Teacher |
| Industry | Rural School |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 630 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Marian Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marian Smith
Daughter · 1940 · age 21 · b. ~1919 · Michigan
★ You are viewing this record
Sibling
Lester Smith
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ella Smith
Sibling · 1940 · 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
1940 US Federal Census — Ionia-County, Michigan
Open full size
1940 US Federal Census — Ionia-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01764-00130)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sherwood-Claims | 18 | Daughter | — | Michigan |
| 2 | Wayne Sherwood-Claims | 13 | — | — | Michigan |
| 3 | William Spruit | 56 | Lodger | Laborer | Pennsylvania |
| 4 | Walter D. Lee | 73 | Head | Farming | Ohio |
| 5 | Alice M. Lee | 67 | Wife | — | Michigan |
| 6 | George P. Rudd | 58 | Head | Farming | Michigan |
| 7 | Rudd | 61 | Wife | — | Michigan |
| 8 | John Cochran | 53 | Head | Farming | Ohio |
| 9 | Edith Cochran | 47 | Wife | — | Michigan |
| 10 | Rodger Cochran | 14 | Son | — | Michigan |
| 11 | Ruth Cochran | 11 | Daughter | — | Michigan |
| 12 | Raymond Cochran | 21 | Nephew | Laborer | Michigan |
| 13 | Henry Tomlinson | 41 | Head | Farming | Michigan |
| 14 | Hazel Tomlinson | 37 | Wife | — | Michigan |
| 15 | Martha Colam | 67 | Mother | — | Michigan |
| 16 | Clair O. Rudd | 37 | Head | Farming | Michigan |
| 17 | Alice Rudd | 28 | Wife | — | Michigan |
| 18 | Janice Rudd | 8 | Daughter | — | Michigan |
| 19 | Rudd | 3 | Daughter | — | Michigan |
| 20 | Charles L. Rudd | 77 | Head | Attendant | Ohio |
| 21 | Anna Rudd | 73 | Wife | — | Michigan |
| 22 | William H. Dean | 78 | Head | Farming | Michigan |
| 23 | Dean | 62 | Wife | — | Michigan |
| 24 | Warren Brickley | 83 | Head | — | New York |
| 25 | Marion O. Brickley | 78 | Wife | — | Michigan |
| 26 | Wellington Smith | 66 | Head | Farming | Michigan |
| 27 | Clarissa Smith | 65 | Wife | — | Michigan |
| 28 | Marian Smith THIS PERSON | 21 | Daughter | Teacher | Michigan |
| 29 | Ella M. Smith | 19 | Daughter | — | Michigan |
| 30 | Lester Smith | 17 | Son | — | Michigan |
| 31 | Willis O. Moon | 50 | Head | Common Day Labor | Michigan |
| 32 | Viola Moon | 47 | Wife | — | Indiana |
| 33 | Harry Moon | 15 | Son | — | Michigan |
| 34 | Gladys Moon | 9 | Daughter | — | Michigan |
| 35 | Gustav Hoffman | 38 | Head | Foreman | Minnesota |
| 36 | Vera Hoffman | 35 | Wife | — | Michigan |
| 37 | Vernon Hoffman | 14 | Son | — | Michigan |
| 38 | Lawrence Hoffman | 12 | Son | — | Michigan |
| 39 | Glenn O. Jarvis | 44 | Head | Farming | Michigan |
| 40 | Ruth Jarvis | 39 | Wife | — | Illinois |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)