RS
Robert Spencer — 1940 US Census Record
Model Tree available1940 United States Federal Census · Morgan-County, Colorado
Our Model Tree links this Robert Spencer across the 1910, 1920, 1930 and 1940 US Censuses in Morgan-County, Colorado (XGBoost, ~Confirmed), with identified parents Robert & Robert — first a head (b.~1909), then head of a 3-person household.
Age 31
b. ~1909
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Morgan-County, Colorado |
| Surname | Spencer |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | FORT MORGAN |
| 1935 Residence (County) | MORGAN |
| Additional Details | |
| Occupation | Business Mgr. |
| Industry | Newspaper |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1560 |
| Highest Grade | C-5 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Business Mgr. |
| Township / Ward | Fort Morgan |
| Est. Birth Year | ~1909 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Spencer | Son | — | 2 | ~1938 |
| Robert Spencer | Head | — | 31 | ~1909 |
| Fern Spencer | Spouse | — | 32 | ~1908 |
Census Appearances
1910
Morgan, Colorado
Son, age 2
Morgan, Colorado · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Spencer |
| Given Name | Robert W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1920
Morgan, Colorado
Son, age 11
Morgan, Colorado · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Spencer |
| Given Name | Robert W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Morgan, Colorado
Son, age 21
Morgan, Colorado · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Spencer |
| Given Name | Robert N |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Morgan-County, Colorado
Head, age 31
Morgan-County, Colorado · implied b. ~1909 — 3 household members
| Surname | Spencer |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | FORT MORGAN |
| 1935 Residence (County) | MORGAN |
| Occupation | Business Mgr. |
| Industry | Newspaper |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1560 |
| Highest Grade | C-5 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Spencer (~0.92 confidence) and father Robert Spencer (~0.92 confidence) and father Robert Spencer (~0.92 confidence) and mother Carrie Spencer (~0.92 confidence) and mother Jessie Spencer (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Spencer
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Robert Spencer
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Robert Spencer
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Carrie Spencer
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Jessie Spencer
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Spencer
Head · 1940 · age 31 · b. ~1909 · Colorado
★ 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 — Morgan-County, Colorado
Open full size
1940 US Federal Census — Morgan-County, Colorado
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00472-00597)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Whittier | 33 | Head | Proprietor-Mgr. | Colorado |
| 2 | Ruth Whittier | 33 | Wife | — | Colorado |
| 3 | Mari-Lou Whittier | 5 | Daughter | — | Colorado |
| 4 | Isi Bore Caldwell | 42 | Head | Owner Manager | Nebraska |
| 5 | Ena Caldwell | 42 | Wife | Saleswoman | Nebraska |
| 6 | Clair Caldwell | 17 | Son | Delivery Boy | Nebraska |
| 7 | George C. Twombly | 50 | Head | Attorney | Colorado |
| 8 | Alma M. Twombly | 47 | Wife | — | Indiana |
| 9 | George S. Jr. Twombly | 21 | Son | — | Colorado |
| 10 | Jack C. Twombly | 15 | Son | — | Colorado |
| 11 | J. Donald Crouch | 37 | Head | Livestock Feeder | Colorado |
| 12 | Anne S. Crouch | 30 | Wife | — | Colorado |
| 13 | J. Donald Ii Crouch | 8 | Son | — | Colorado |
| 14 | Sandra Crouch | 5 | Daughter | — | Colorado |
| 15 | Jenny Rocha | 25 | Servant | House Work | Colorado |
| 16 | Robert Spencer THIS PERSON | 31 | Head | Business Mgr. | Colorado |
| 17 | Fern Spencer | 32 | Wife | — | Iowa |
| 18 | Robert Spencer | 2 | Son | — | Colorado |
| 19 | J. A. M. Crouch | 74 | Head | Farm Manager | Kentucky |
| 20 | Lora S. Crouch | 72 | Wife | — | Missouri |
| 21 | Thomas R. Sigafoos | 61 | Head | Chiropractor Doctor | Iowa |
| 22 | Edith Sigafoos | 59 | Wife | — | Wisconsin |
| 23 | Thomas R. Jr. Sigafoos | 32 | Son | Salesman | Colorado |
| 24 | William H. Brown | 73 | Head | — | Missouri |
| 25 | Cynthia Brown | 66 | Wife | — | Nebraska |
| 26 | Chester Dark | 40 | Step Son | Exterior House Painter | Kansas |
| 27 | Cecil Dark | 33 | Step Son | Delivery Man | Colorado |
| 28 | William Hyatt | 62 | Head | — | New York |
| 29 | Ida Hyatt | 53 | Wife | — | Nebraska |
| 30 | Fred Seaburg | 59 | Head | Prop-Manager | Illinois |
| 31 | Florence Seaburg | 50 | Wife | — | Colorado |
| 32 | Abilyn Seaburg | 17 | Daughter | — | Colorado |
| 33 | Alex W. Smith | 52 | Head | Preacher | Oklahoma |
| 34 | Florence G. Smith | 46 | Wife | — | Arkansas |
| 35 | Joe D. Smith | 19 | Son | — | Oklahoma |
| 36 | Paul Smith | 16 | Son | — | Oklahoma |
| 37 | Jack Smith | 13 | Son | — | Oklahoma |
| 38 | Shirley Ann Smith | 5 | Daughter | — | Oklahoma |
| 39 | J. C. Reverend Erger | 45 | Head | Catholic Priest | Missouri |
Pedigree Summary
Robert
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)