HP
Helen Parker — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Maricopa-County, Arizona
Our Model Tree links this Helen Parker across the 1930 and 1940 US Censuses in Maricopa-County, Arizona (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Female
Daughter
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Maricopa-County, Arizona |
| Surname | Parker |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | C S D # 3 |
| 1935 Residence (County) | Maricopa |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Township / Ward | C S D 3 |
| Est. Birth Year | ~1925 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Wm Parker | Head | — | 43 | ~1897 |
| Florence Parker | Spouse | — | 34 | ~1906 |
| Bobby Parker | Son | — | 1 | ~1939 |
| Billie Parker | Son | — | 8 | ~1932 |
| Loy Parker | Son | — | 5 | ~1935 |
| Dorothy Parker | Daughter | — | 7 | ~1933 |
| Helen Parker | Daughter | — | 15 | ~1925 |
| Floyd Parker | Son | — | ~1940 | |
| Evon Parker | Daughter | — | 10 | ~1930 |
Census Appearances
1930
Maricopa, Arizona
Other, age 5
Maricopa, Arizona · implied b. ~1925 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Helen M. |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Texas |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Maricopa-County, Arizona
Daughter, age 15
Maricopa-County, Arizona · implied b. ~1925 — 9 household members
| Surname | Parker |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | C S D # 3 |
| 1935 Residence (County) | Maricopa |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 Helen Parker across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Parker
Daughter · 1940 · age 15 · b. ~1925 · Arizona
★ You are viewing this record
Sibling
Bobby Parker
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loy Parker
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billie Parker
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Parker
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evon Parker
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Floyd Parker
Sibling · 1940 · age
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 — Maricopa-County, Arizona
Open full size
1940 US Federal Census — Maricopa-County, Arizona
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00109-00040)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | E J Tyree | 53 | Head | Laborer | Missouri |
| 2 | Laura Tyree | 52 | Wife | — | Oklahoma |
| 3 | J W Tyree | 19 | Son | Laborer | Texas |
| 4 | Russell Estes | 27 | Head | Laborer | Texas |
| 5 | Viola Estes | 19 | Wife | — | Texas |
| 6 | Robert Estes | 3 | Son | — | Arizona |
| 7 | Lester Estes | 2 | Son | — | Arizona |
| 8 | Grover Estes | 0 | Daughter | — | Arizona |
| 9 | M C Mcdonald | 48 | Head | Laborer | Texas |
| 10 | James Ratcliff | 44 | Partner | Laborer | Oklahoma |
| 11 | Loyd Davis | 21 | Partner | Laborer | Texas |
| 12 | Chas H Estes | 36 | Head | Laborer | Texas |
| 13 | Myra Estes | 27 | Wife | — | Oklahoma |
| 14 | Orpha Estes | 11 | daughter | — | Arizona |
| 15 | Tenga R Estes | 7 | Son | — | Arizona |
| 16 | Alice M Chesser | 31 | Head | — | Texas |
| 17 | Chas H Chesser | 1 | Son | — | Arizona |
| 18 | Leonard M Estes | 34 | Head | Laborer | Texas |
| 19 | Minnie M Estes | 25 | Wife | — | Texas |
| 20 | Patsy Estes | 67 | Mother | — | Texas |
| 21 | Dewey Corey | 41 | Head | Laborer | Arkansas |
| 22 | Elva Corey | 41 | Wife | — | Arkansas |
| 23 | Vernis Corey | 17 | Son | Laborer | Oklahoma |
| 24 | Kenneth Corey | 14 | Son | — | Oklahoma |
| 25 | Elgie Corey | 11 | daughter | — | Oklahoma |
| 26 | Nadine Corey | 7 | daughter | — | Oklahoma |
| 27 | Harmon Rowland | 21 | Head | Laborer | Oklahoma |
| 28 | Velda Rowland | 19 | Wife | — | Oklahoma |
| 29 | Jack Rowland | 1 | Son | — | Arizona |
| 30 | Wm E Parker | 43 | Head | Laborer | Missouri |
| 31 | Florence Parker | 34 | Wife | — | Texas |
| 32 | Helen Parker THIS PERSON | 15 | daughter | — | Oklahoma |
| 33 | Evon Parker | 10 | daughter | — | Arizona |
| 34 | Billie Parker | 8 | Son | — | Arizona |
| 35 | Dorothy Parker | 7 | daughter | — | Arizona |
| 36 | Loy D Parker | 5 | Son | — | Arizona |
| 37 | Bobby Parker | 1 | Son | — | Arizona |
| 38 | Floyd Parker | 0 | Son | — | Arizona |
| 39 | C C Tidmore | 64 | Head | Laborer | Alabama |
| 40 | Anna M Tidmore | 54 | Wife | Laborer | Louisiana |
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)