MS
Marjorie Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Iowa
Our Model Tree links this Marjorie Smith across the 1930 and 1940 US Censuses in Jefferson-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 10-person household.
Age 19
b. ~1921
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Iowa |
| Surname | Smith |
| Given Name | Marjorie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | House Worker |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 182 |
| Highest Grade | Hs 4 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | House Worker |
| Township / Ward | Fairfield City |
| Est. Birth Year | ~1921 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marjorie | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Smith | Daughter | — | 18 | ~1922 |
| Marjorie Smith | Daughter | — | 19 | ~1921 |
| Pauline Smith | Daughter | — | 11 | ~1929 |
| Ruth Smith | Daughter | — | 16 | ~1924 |
| Eloise Pearson | Daughter | — | 22 | ~1918 |
| Velma Smith | Daughter | — | 14 | ~1926 |
| William Smith | Head | — | 61 | ~1879 |
| Donald Pearson | Other | — | 23 | ~1917 |
| Dale Smith | Son | — | 6 | ~1934 |
| Margaret Smith | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Jefferson, Iowa
Daughter, age 9
Jefferson, Iowa · implied b. ~1921 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Marjorie E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| 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 |
1940
Jefferson-County, Iowa
Daughter, age 19
Jefferson-County, Iowa · implied b. ~1921 — 10 household members
| Surname | Smith |
| Given Name | Marjorie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Jefferson |
| Occupation | House Worker |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 182 |
| Highest Grade | Hs 4 |
| 1935 Residence | Iowa |
| 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 Marjorie Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marjorie Smith
Daughter · 1940 · age 19 · b. ~1921 · Iowa
★ You are viewing this record
Sibling
Velma Smith
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Smith
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pauline Smith
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eloise Pearson
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dale Smith
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Smith
Sibling · 1940 · age 16
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 — Jefferson-County, Iowa
Open full size
1940 US Federal Census — Jefferson-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01170-00135)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Susie Freshwater | 46 | Head | Machine Sewer | Iowa |
| 2 | Kenneth Donley | 25 | Son-in-law | Surveyor | Iowa |
| 3 | Gerol Donley | 26 | Daughter | — | Iowa |
| 4 | Beverly Donley | 2 | Granddaughter | — | Iowa |
| 5 | Margaret Stark | 40 | Head | Sales Lady | Iowa |
| 6 | Frances Samons | 31 | Head | Cook | Iowa |
| 7 | Nora Kessel | 47 | Head | Ironer | Iowa |
| 8 | Wilma Kessel | 25 | Daughter | Saleslady | Iowa |
| 9 | Virginia Kessel | 19 | Daughter | Saleslady | Iowa |
| 10 | George Anderson | 33 | Head | Proprietor | Iowa |
| 11 | Genevieve Anderson | 28 | Wife | Manager | Iowa |
| 12 | Alfred, Robert Anderson | 6 | Step-son | — | Iowa |
| 13 | Mary Wilson | 21 | Sister-in-law | Housekeeper | Iowa |
| 14 | Ethel Cummings | 58 | Head | Deputy Auditor | Illinois |
| 15 | John R. Campbell | 29 | Head | Proprietor | Iowa |
| 16 | Margaret Campbell | 24 | Wife | Assistant | Iowa |
| 17 | Albert King | 62 | Head | Carpenter | Iowa |
| 18 | John Behne | 50 | Head | Laborer | Iowa |
| 19 | Rachel Behne | 54 | Wife | — | Iowa |
| 20 | Charles Cox | 33 | Head | Casting Inspector | Iowa |
| 21 | Esther Cox | 34 | Wife | — | Iowa |
| 22 | Evelyn Cox | 16 | Daughter | Cleaner | Iowa |
| 23 | Richard Cox | 12 | Son | — | Iowa |
| 24 | Robert Lyons | 36 | Head | Cupola Tender | Iowa |
| 25 | Ruth Lyons | 34 | Wife | — | Iowa |
| 26 | Marjorie Lyons | 14 | Daughter | — | Iowa |
| 27 | Donna Lyons | 10 | Daughter | — | Iowa |
| 28 | Larry Lyons | 1 | Son | — | Iowa |
| 29 | Clarence Drey | 27 | Head | Laborer | Iowa |
| 30 | Marjorie Drey | 23 | Wife | Sewer | Iowa |
| 31 | William A. Smith | 61 | Head | Flagman | Iowa |
| 32 | Margaret Smith | 42 | Wife | — | Iowa |
| 33 | Marjorie Smith THIS PERSON | 19 | Daughter | House Worker | Iowa |
| 34 | Dorothy Smith | 18 | Daughter | House Worker | Iowa |
| 35 | Ruth Smith | 16 | Daughter | — | Iowa |
| 36 | Velma Smith | 14 | Daughter | — | Iowa |
| 37 | Pauline Smith | 11 | Daughter | — | Iowa |
| 38 | Dale Smith | 6 | Son | — | Iowa |
| 39 | Donald Pearson | 23 | Son-in-law | Farm Laborer | Iowa |
| 40 | Eloise Pearson | 22 | Daughter | — | Iowa |
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)