RS
Robert Spencer — 1940 US Census Record
Model Tree available1940 United States Federal Census · Scott-County, Iowa
Our Model Tree links this Robert Spencer across the 1920, 1930 and 1940 US Censuses in Scott-County, Iowa (XGBoost, ~Confirmed), with identified parents Rufus & Wilbur — first a son (b.~1916), then head of a 6-person household.
Age 24
b. ~1916
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Scott-County, Iowa |
| Surname | Spencer |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Davenport City |
| 1935 Residence (County) | Scott |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | C-2 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Davenport City |
| Est. Birth Year | ~1916 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Arthur Spencer | Son | — | 25 | ~1915 |
| Catherine Spencer | Spouse | — | 54 | ~1886 |
| Robert Spencer | Son | — | 24 | ~1916 |
| Shirley Spencer | Daughter | — | 30 | ~1910 |
| Kathleen Spencer | Other | — | 23 | ~1917 |
| Wilbur Spencer | Head | — | 63 | ~1877 |
Census Appearances
1920
Scott, Iowa
Son, age 4
Scott, Iowa · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Spencer |
| Given Name | Robert H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Washington |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Scott, Iowa
Son, age 14
Scott, Iowa · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Spencer |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Washington |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Scott-County, Iowa
Son, age 24
Scott-County, Iowa · implied b. ~1916 — 6 household members
| Surname | Spencer |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Davenport City |
| 1935 Residence (County) | Scott |
| Class of Worker | 0 |
| Highest Grade | C-2 |
| 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 Robert Spencer across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Rufus Spencer (~0.92 confidence) and father Wilbur Spencer (~0.92 confidence) and father Wilbur Spencer (~0.92 confidence) and mother Catherine Spencer (~0.92 confidence) and mother Catherine Spencer (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Rufus Spencer
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Wilbur Spencer
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Wilbur Spencer
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Catherine Spencer
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Catherine Spencer
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Spencer
Son · 1940 · age 24 · b. ~1916 · Iowa
★ You are viewing this record
Sibling
Arthur Spencer
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Spencer
Sibling · 1940 · age 30
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 — Scott-County, Iowa
Open full size
1940 US Federal Census — Scott-County, Iowa
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01203-01038)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Dow | 56 | Wife | Housekeeper | Iowa |
| 2 | Lillie Baehr | 45 | Maid | Housekeeper | Iowa |
| 3 | Seldon Ruger | 52 | Cook | Cook | Iowa |
| 4 | Frederick Lamb | 51 | Head | Medical Doctor | Pennsylvania |
| 5 | Eugenie Lamb | 44 | Wife | — | Illinois |
| 6 | Eugene Lamb | 13 | Son | — | Iowa |
| 7 | Sarah Lamb | 79 | Mother | — | Pennsylvania |
| 8 | Nilda Pugnity | 33 | Housekeeper | Housekeeper | Iowa |
| 9 | Cable Von Maur | 49 | Head | President | Iowa |
| 10 | Jeanette Von Maur | 48 | Wife | — | Iowa |
| 11 | Joe Von Maur | 25 | Son | Buyer | Iowa |
| 12 | Mary Von Maur | 21 | Daughter | — | Iowa |
| 13 | Frances Roselle | 30 | Housekeeper | Housekeeper | Illinois |
| 15 | Cora Jager | 73 | Head | — | Iowa |
| 16 | Mary Jager | 45 | Daughter | Bookkeeper | Iowa |
| 17 | Charles Baker | 34 | Head | Lawyer | Iowa |
| 18 | Virginia Baker | 32 | Wife | — | Iowa |
| 19 | Virginia Baker | 5 | Daughter | — | Iowa |
| 20 | Ruth Baker | 4 | Daughter | — | Iowa |
| 21 | Elizabeth Baker | 1 | Daughter | — | Iowa |
| 22 | Genevieve Metcalfe | 25 | Housekeeper | Housekeeping | Iowa |
| 23 | Burdick Richardson | 50 | Head | Timber Operator | Ohio |
| 24 | Julie Richardson | 45 | Wife | — | Ohio |
| 25 | William Richardson | 21 | Son | — | Washington |
| 26 | Anthony Richardson | 13 | Son | — | Illinois |
| 27 | Mary Deere | 32 | Housekeeper | Housekeeping | Illinois |
| 29 | Mary Harned | 75 | Head | — | New Jersey |
| 30 | Wylu Harned | 77 | Sister | — | New Jersey |
| 31 | Evelyn Leese | 26 | Housekeeper | Housekeeper | Iowa |
| 32 | Wilbur Spencer | 63 | Head | Salesman | Iowa |
| 33 | Catherine Spencer | 54 | Wife | — | Washington |
| 34 | Shirley Spencer | 30 | Daughter | Sales Lady | Washington |
| 35 | Robert Spencer THIS PERSON | 24 | Son | — | Iowa |
| 36 | Arthur Spencer | 25 | Son | Billing Clerk | Iowa |
| 37 | Kathleen Spencer | 23 | Daughter in law | Secretary | Iowa |
| 38 | George Heatley | 60 | Head | Bus Operator | Illinois |
| 39 | Christine Heatley | 70 | Wife | — | Denmark |
| 40 | Wirtel Drebing | 40 | Head | Owner | Iowa |
Pedigree Summary
Robert + 2 siblings
Gen 1 · 5 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)