HA
Harold Allen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this Harold Allen across the 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 11-person household.
Age 16
b. ~1924
Male
Son
Born: Utah
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Allen |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Bluffdale |
| 1935 Residence (County) | Salt Lake |
| Additional Details | |
| Industry | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Utah |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Preston Precinct 3 |
| Est. Birth Year | ~1924 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Merit Allen | Head | — | 41 | ~1899 |
| Lewis Allen | Son | — | 19 | ~1921 |
| Shirley Allen | Daughter | — | 3 | ~1937 |
| Theodore Allen | Son | — | 5 | ~1935 |
| Harold Allen | Son | — | 16 | ~1924 |
| Verna Allen | Daughter | — | 13 | ~1927 |
| Peggie Allen | Daughter | — | 6 | ~1934 |
| Mildred Allen | Daughter | — | 10 | ~1930 |
| Lizzie Rice | Other | — | 73 | ~1867 |
| Len Allen | Son | — | 15 | ~1925 |
| Aurela Allen | Daughter | — | 7 | ~1933 |
Census Appearances
1930
Salt Lake, …
Son, age 6
Salt Lake, Utah · implied b. ~1924 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Utah |
| Occupation | none |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Salt-Lake-County, Utah
Son, age 16
Salt-Lake-County, Utah · implied b. ~1924 — 11 household members
| Surname | Allen |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Bluffdale |
| 1935 Residence (County) | Salt Lake |
| Industry | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Utah |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
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 Harold Allen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Harold Allen
Son · 1940 · age 16 · b. ~1924 · Utah
★ You are viewing this record
Sibling
Lewis Allen
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Allen
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Verna Allen
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Len Allen
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Aurela Allen
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Allen
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Allen
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peggie Allen
Sibling · 1940 · age 6
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 — Salt-Lake-County, Utah
Open full size
1940 US Federal Census — Salt-Lake-County, Utah
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04215-00740)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Judith Dust | 3 | Daughter | — | Utah |
| 2 | Marilyn Dust | 1 | Daughter | — | Utah |
| 3 | Nels Hansen | 40 | Head | Salesman | Idaho |
| 4 | Angeline Hansen | 35 | Wife | — | Utah |
| 5 | Jay Hansen | 15 | Son | — | Utah |
| 6 | Delton Hansen | 13 | Son | — | Utah |
| 7 | Joyce Hansen | 11 | Daughter | — | Utah |
| 8 | Lois Hansen | 9 | Daughter | — | Utah |
| 9 | Hansen | 6 | Daughter | — | Utah |
| 10 | John Stabb | 70 | Head | — | Germany |
| 11 | Mary Stabb | 68 | Wife | — | Germany |
| 12 | Elias Street | 45 | Head | Truck Driver | Utah |
| 13 | Lythia Street | 40 | Wife | — | Utah |
| 14 | Inez Street | 18 | Daughter | Iron Worker | Utah |
| 15 | John Street | 14 | Son | — | Utah |
| 16 | Dale Street | 10 | Son | — | Utah |
| 17 | Loren Jones | 38 | Head | Labor | Utah |
| 18 | Alice Jones | 32 | Wife | — | Utah |
| 19 | Jenett Jones | 3 | Daughter | — | Utah |
| 20 | Darrell Peck | 31 | Head | Bus Driver | Utah |
| 21 | Margaret Peck | 26 | Wife | Waitress | Utah |
| 22 | Ronald Peck | 7 | Son | — | Utah |
| 23 | Gerald Peck | 4 | Son | — | Utah |
| 24 | Larry Peck | 1 | Son | — | Utah |
| 25 | Merit Allen | 41 | Head | — | Utah |
| 26 | Lewis Allen | 19 | Son | — | Utah |
| 27 | Harold Allen THIS PERSON | 16 | Son | — | Utah |
| 28 | Len Allen | 15 | Son | — | Utah |
| 29 | Verna Allen | 13 | Daughter | — | Utah |
| 30 | Mildred Allen | 10 | Daughter | — | Utah |
| 31 | Aurela Allen | 7 | Daughter | — | Utah |
| 32 | Peggie Allen | 6 | Daughter | — | Utah |
| 33 | Theodore Allen | 5 | Son | — | Utah |
| 34 | Shirley Allen | 3 | Daughter | — | Utah |
| 35 | Lizzie Rice | 73 | Mother | — | Utah |
| 36 | Lottie William | 53 | Head | — | Utah |
| 37 | Neil William | 23 | Son | Track Man | Utah |
| 38 | Grant William | 21 | Son | Track Man | Utah |
| 39 | Barbara William | 7 | Daughter | — | Utah |
| 40 | Arnold Knight | 32 | Head | Trucking | Utah |
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)