RS
Russell Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Black-Hawk-County, Iowa
Our Model Tree links this Russell Smith across the 1920, 1930 and 1940 US Censuses in Black-Hawk-County, Iowa (XGBoost, ~Confirmed), with identified parents Edward & Edwin — first a head (b.~1899), then head of a 5-person household.
Age 41
b. ~1899
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Black-Hawk-County, Iowa |
| Surname | Smith |
| Given Name | Russell E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Waterloo City |
| 1935 Residence (County) | Black Hawk |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Waterloo City |
| Est. Birth Year | ~1899 |
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 Russell | Age | Birth yr |
|---|---|---|---|---|
| Arlene Smith | Daughter | — | 18 | ~1922 |
| Mary Smith | Daughter | — | 13 | ~1927 |
| Russell Smith | Head | — | 41 | ~1899 |
| A Edwin | Other | — | 79 | ~1861 |
| Nora Smith | Spouse | — | 41 | ~1899 |
Census Appearances
1920
Black Hawk, …
Son, age 21
Black Hawk, Iowa · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Russell E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Canada |
| Occupation | Salesman |
| Industry | Automobile |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Black Hawk, …
Son, age 31
Black Hawk, Iowa · implied b. ~1899 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Russell E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 20 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | England |
| Occupation | Driver |
| Industry | Taxi Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Black-Hawk-County, Iowa
Head, age 41
Black-Hawk-County, Iowa · implied b. ~1899 — 5 household members
| Surname | Smith |
| Given Name | Russell E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Waterloo City |
| 1935 Residence (County) | Black Hawk |
| Highest Grade | No 8 |
| 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 Russell Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Smith (~0.92 confidence) and father Edwin Smith (~0.92 confidence) and mother Jenny Smith (~0.92 confidence) and mother Jessie Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Smith
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Edwin Smith
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Jenny Smith
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Jessie Smith
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Russell Smith
Head · 1940 · age 41 · b. ~1899 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Black-Hawk-County, Iowa
Open full size
1940 US Federal Census — Black-Hawk-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01140-00205)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Donald Spaulding | 12 | Son | — | Iowa |
| 42 | Alva Spaulding | 11 | Son | — | Iowa |
| 43 | Robert Spaulding | 2 | Son | — | Iowa |
| 44 | Thos. J. Dinn | 53 | Head | Foundryman | Ireland |
| 45 | Pat John Dinn | 15 | Son | Helper | S. Dakota |
| 46 | Rose Marie Dinn | 13 | Daughter | — | S. Dakota |
| 47 | Thomas Dinn | 11 | Son | — | S. Dakota |
| 48 | Glenn Leaburn | 45 | Head | Inspector | Illinois |
| 49 | Evangeline Leaburn | 42 | Wife | Music Director | Indiana |
| 50 | Ona Lee Leaburn | 18 | Daughter | — | Iowa |
| 51 | Byron L. Carpenter | 61 | Head | Traveling Salesman | Iowa |
| 52 | Eva L. Carpenter | 58 | Wife | — | Iowa |
| 53 | Lola King | 56 | Sister-in-law | Saleslady | Iowa |
| 54 | James C. Mcmenimen | 54 | Head | Machinist | Iowa |
| 55 | Anne Mcmenimen | 55 | Wife | — | Iowa |
| 56 | Albert Boroen | 38 | Head | Engineer (Sta.) | Iowa |
| 57 | Irene Boroen | 37 | Wife | — | Iowa |
| 58 | Dorothy Boroen | 17 | Daughter | — | Iowa |
| 59 | Gordon Boroen | 16 | Son | — | Iowa |
| 60 | A. Willis | 67 | Father | Salesman | Iowa |
| 61 | Cora Willis | 63 | Mother | — | Iowa |
| 62 | Martin Lorenzen | 48 | Head | Proprietor | Germany |
| 63 | Lydia Lorenzen | 41 | Wife | — | Iowa |
| 64 | Robert Lorenzen | 21 | Son | Shipping Clerk | Iowa |
| 65 | Charlotte Lorenzen | 19 | Daughter | Bookkeeper | Iowa |
| 66 | Myron Lorenzen | 15 | Son | — | Iowa |
| 67 | John B. Eath | 36 | Head | Patternmaker | Germany |
| 68 | Teresa M. Eath | 50 | Wife | — | Iowa |
| 69 | John R. Dreher | 50 | Head | Patternmaker | Iowa |
| 70 | Marie Dreher | 42 | Wife | — | Minnesota |
| 71 | John David Dreher | 6 | Son | — | Minnesota |
| 72 | Joseph B. Hicks | 46 | Head | Motion Picture Projectionist | Texas |
| 73 | Dixie Hicks | 44 | Wife | — | Texas |
| 74 | Ernest Mckinley | 52 | Head | Asst. Mgr. | Iowa |
| 75 | Jane Mckinley | 50 | Wife | Seamstress | Iowa |
| 76 | Russell E. Smith THIS PERSON | 41 | Head | — | Iowa |
| 77 | Nora Smith | 41 | Wife | — | Iowa |
| 78 | Arlene E. Smith | 18 | Daughter | — | Iowa |
| 79 | Mary Jane Smith | 13 | Daughter | — | Iowa |
| 80 | A. Edwin | 79 | Father | Caretaker | Iowa |
Pedigree Summary
Russell
Gen 1 · 4 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)