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Edward Adams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marshall-County, Iowa
Our Model Tree links this Edward Adams across the 1920, 1930 and 1940 US Censuses in Marshall-County, Iowa (XGBoost, ~Confirmed), with identified parents Geo & Thomas — first a son (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marshall-County, Iowa |
| Surname | Adams |
| Given Name | Edward M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Marshalltown |
| 1935 Residence (County) | Marshall |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Marshalltown |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Edward | Age | Birth yr |
|---|---|---|---|---|
| Thomas Adams | Head | — | 52 | ~1888 |
| Elizabeth Adams | Other | — | 83 | ~1857 |
| Edward Adams | Son | — | 21 | ~1919 |
| James Adams | Son | — | 18 | ~1922 |
| John Adams | Son | — | 23 | ~1917 |
| Paul Adams | Son | — | 11 | ~1929 |
| Susannah Adams | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Marshall, Iowa
Son, age 1
Marshall, Iowa · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Edward |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Illinois |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Marshall, Iowa
Son, age 11
Marshall, Iowa · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Edward W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Marshall-County, Iowa
Son, age 21
Marshall-County, Iowa · implied b. ~1919 — 7 household members
| Surname | Adams |
| Given Name | Edward M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Marshalltown |
| 1935 Residence (County) | Marshall |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| 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 Edward Adams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Geo Adams (~0.92 confidence) and father Thomas Adams (~0.92 confidence) and mother Susannah Adams (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Geo Adams
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Thomas Adams
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Susannah Adams
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Edward Adams
Son · 1940 · age 21 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
John Adams
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Adams
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Adams
Sibling · 1940 · age 18
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 — Marshall-County, Iowa
Open full size
1940 US Federal Census — Marshall-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01182-00799)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Donald Mashburn | 44 | Head | Agent | Iowa |
| 42 | Lula M. Mashburn | 47 | Wife | — | Michigan |
| 43 | Max W. Overmyer | 71 | Head | — | Ohio |
| 44 | Emma L. Overmyer | 68 | Wife | — | Ohio |
| 45 | Anne Kelly | 35 | Roomer | Librarian | Iowa |
| 46 | Leora Gandy | 18 | Roomer | — | Iowa |
| 47 | J. R. Thomas | 82 | Head | Farmer | New York |
| 48 | Charlotte Thomas | 66 | Wife | — | Missouri |
| 49 | W. C. Whiting | 45 | Head | Bus Driver | Iowa |
| 50 | Dora Whiting | 43 | Wife | Nurse | Iowa |
| 51 | Helen Whiting | 20 | Daughter | — | Iowa |
| 52 | Thomas Whiting | 18 | Son | — | Iowa |
| 53 | Charles Pfeiffer | 49 | Head | Salesman | Iowa |
| 54 | Rose Pfeiffer | 49 | Wife | — | Iowa |
| 55 | Sailyra Pfeiffer | 25 | Daughter | Nurse | Iowa |
| 56 | Catherine Pfeiffer | 22 | Daughter | Maid | Iowa |
| 57 | Kenneth Pfeiffer | 18 | Son | — | Iowa |
| 58 | Dorothy Pfeiffer | 16 | Daughter | — | Iowa |
| 59 | Dennis Pfeiffer | 15 | Son | — | Iowa |
| 60 | Dola Mae Pfeiffer | 12 | Daughter | — | Iowa |
| 61 | Keith Pfeiffer | 11 | Son | — | Iowa |
| 62 | C. G. Ford | 72 | Head | Contractor | Illinois |
| 63 | Thomas E. Adams | 52 | Head | Lawyer | Pennsylvania |
| 64 | Susannah Adams | 48 | Wife | — | Illinois |
| 65 | John S. Adams | 23 | Son | — | Iowa |
| 66 | Edward M. Adams THIS PERSON | 21 | Son | — | Iowa |
| 67 | James T. Adams | 18 | Son | — | Iowa |
| 68 | Paul R. Adams | 11 | Son | — | Iowa |
| 69 | Elizabeth Adams | 83 | Mother | — | Pennsylvania |
| 70 | Harold E. Sandberg | 36 | Head | Collector | Iowa |
| 71 | June Sandberg | 31 | Wife | — | Iowa |
| 72 | Blanche Marquis | 63 | Mother-in-law | — | Iowa |
| 73 | Anthon Massalek | 34 | Head | Owner | Minnesota |
| 74 | Margaret Massalek | 34 | Wife | Owner | Iowa |
| 75 | Patricia Massalek | 10 | Daughter | — | Iowa |
| 76 | Deborah Massalek | 2 | Daughter | — | Iowa |
| 77 | Doris Miller | 17 | Maid | Maid | Iowa |
| 78 | John Clark Van Doorn | 31 | Head | Salesman | Minnesota |
| 79 | Jada Van Doorn | 37 | Wife | — | Illinois |
| 80 | Barbara Van Doorn | 9 | Daughter | — | Minnesota |
Pedigree Summary
Edward + 3 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)