WH
William Harper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Elbert-County, Colorado
Our Model Tree links this William Harper across the 1920, 1930 and 1940 US Censuses in Elbert-County, Colorado (XGBoost, ~Confirmed) — first a head (b.~1873), then head of a 7-person household.
Age 67
b. ~1873
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Elbert-County, Colorado |
| Surname | Harper |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Precinct 8 |
| 1935 Residence (County) | Elbert |
| Additional Details | |
| Industry | Farmer |
| Class of Worker | Farm |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Precinct 8 |
| Est. Birth Year | ~1873 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Maude Robertson | Daughter | — | 33 | ~1907 |
| William Harper | Head | — | 67 | ~1873 |
| Dolores Robertson | Other | — | 10 | ~1930 |
| Cleo Robertson | Other | — | 33 | ~1907 |
| Cleo Robertson | Son | — | 9 | ~1931 |
| Leslie Robertson | Son | — | 3 | ~1937 |
| Myrtle Harper | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Elbert, Colorado
Head, age 46
Elbert, Colorado · implied b. ~1874 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harper |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Kansas |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Kansas |
| Birth Country | United States |
| Year of Naturalization | M |
| Birthplace (normalized) | kansas |
1930
Elbert, Colorado
Other, age 58
Elbert, Colorado · implied b. ~1872 — 27 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harper |
| Given Name | William J. |
| Relationship to Head | O |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 33 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Elbert-County, Colorado
Head, age 67
Elbert-County, Colorado · implied b. ~1873 — 7 household members
| Surname | Harper |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Precinct 8 |
| 1935 Residence (County) | Elbert |
| Industry | Farmer |
| Class of Worker | Farm |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 William Harper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Harper
Head · 1940 · age 67 · b. ~1873 · 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 — Elbert-County, Colorado
Open full size
1940 US Federal Census — Elbert-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00460-00516)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Evelyn E. Bender | 36 | Wife | — | Pennsylvania |
| 2 | Lee Bender | 10 | Son | — | Colorado |
| 3 | Irene Bender | 4 | Daughter | — | Colorado |
| 4 | Otto L. Bender | 33 | Brother | Laborer | Colorado |
| 5 | Virgil A. Ryan | 62 | Head | Owner Operator | Pennsylvania |
| 6 | Charles W. Tripp | 69 | Head | Postmaster | Illinois |
| 7 | Ella D. Tripp | 58 | Sister | — | Illinois |
| 8 | Mary A. Tripp | 50 | Sister | Housekeeper | Illinois |
| 9 | William J. Harper THIS PERSON | 67 | Head | — | Kansas |
| 10 | Myrtle A. Harper | 54 | Wife | — | Kansas |
| 11 | Cleo W. Robertson | 33 | Son-in-law | Farmer | Colorado |
| 12 | Maude E. Robertson | 33 | Daughter | — | Colorado |
| 13 | Dolores L. Robertson | 10 | Granddaughter | — | California |
| 14 | Cleo W. Robertson | 9 | Son | — | California |
| 15 | Leslie D. Robertson | 3 | Son | — | California |
| 16 | William L. Lift | 33 | Head | Farmer | New York |
| 17 | Ida L. Lift | 29 | Wife | — | Colorado |
| 18 | Rose Marie Lift | 6 | Daughter | — | Colorado |
| 19 | Margaret A. Lift | 5 | Daughter | — | Colorado |
| 20 | Bonnie L. Lift | 3 | Daughter | — | Colorado |
| 21 | Edward D. Haynes | 77 | Head | — | Pennsylvania |
| 22 | Mary A. Haynes | 53 | Wife | — | Nebraska |
| 23 | Evelyn A. Haynes | 17 | Daughter | — | Colorado |
| 24 | Siger O. Peterson | 36 | Head | Carpenter | Norway |
| 25 | Alice B. Peterson | 26 | Wife | — | Colorado |
| 26 | Lillian Peterson | 5 | Daughter | — | Colorado |
| 27 | Jackie Lee Peterson | 4 | Son | — | Colorado |
| 28 | D. Wilmer Ware | 43 | Head | Farmer | Kansas |
| 29 | Nina M. Ware | 45 | Wife | — | Oklahoma |
| 30 | Hubert W. Ware | 21 | Son | Laborer | Oklahoma |
| 31 | Virginia Ware | 10 | Daughter | — | Colorado |
| 32 | Roy V. Vote | 34 | Head | Farmer | Colorado |
| 33 | Bertha A. Vote | 34 | Wife | — | Missouri |
| 34 | Henry Rubeck | 77 | Head | — | New York |
| 35 | Elizabeth M. Rubeck | 75 | Wife | — | New York |
| 36 | Theodore M. Rubeck | 37 | Head | Farmer | Colorado |
| 37 | Anna L. Rubeck | 34 | Wife | — | Colorado |
| 38 | Walter M. Rubeck | 9 | Son | — | Colorado |
| 39 | Gilbert Rubeck | 8 | Son | — | Colorado |
| 40 | Elsie M. Rubeck | 3 | Daughter | — | Colorado |
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)