WP
William Phelps — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Woodbury-County, Iowa
Our Model Tree links this William Phelps across the 1930 and 1940 US Censuses in Woodbury-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 7-person household.
Age 16
b. ~1924
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Woodbury-County, Iowa |
| Surname | Phelps |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Sioux City |
| 1935 Residence (County) | Woodbury |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Sioux City |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Phelps | Head | — | 41 | ~1899 |
| Walter Phelps | Son | — | 2 | ~1938 |
| Jimmy Phelps | Son | — | 3 | ~1937 |
| William Phelps | Son | — | 16 | ~1924 |
| Judith Phelps | Daughter | — | 6 | ~1934 |
| Lillian Phelps | Spouse | — | 33 | ~1907 |
| Betty Phelps | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Woodbury, Iowa
Son, age 6
Woodbury, Iowa · implied b. ~1924 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Phelps |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Woodbury-County, Iowa
Son, age 16
Woodbury-County, Iowa · implied b. ~1924 — 7 household members
| Surname | Phelps |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Sioux City |
| 1935 Residence (County) | Woodbury |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 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 William Phelps across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Phelps
Son · 1940 · age 16 · b. ~1924 · Iowa
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Sibling
Betty Phelps
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jimmy Phelps
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Judith Phelps
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Phelps
Sibling · 1940 · age 2
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 — Woodbury-County, Iowa
Open full size
1940 US Federal Census — Woodbury-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01214-00961)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert Blanchard | 72 | Head | — | New York |
| 2 | Clara Blanchard | 75 | Wife | — | Michigan |
| 3 | Ray Blanchard | 41 | Son | Laborer | Iowa |
| 4 | Mabel Blanchard | 35 | Daughter | — | S. Dakota |
| 5 | Gale Blanchard | 15 | Grandson | — | N. Dakota |
| 6 | Daniel Washburn | 65 | Head | — | Iowa |
| 7 | Henrietta Washburn | 69 | Wife | — | Iowa |
| 8 | Alfred Harder | 38 | Head | Laborer | Iowa |
| 9 | Leone Harder | 32 | Wife | — | Iowa |
| 10 | Paul Santowski | 37 | Head | Truck Driver | Nebraska |
| 11 | Ruth Santowski | 43 | Wife | — | Iowa |
| 12 | Lawrence Scofield | 30 | Head | Laborer | Nebraska |
| 13 | Evelyn Scofield | 33 | Wife | — | Nebraska |
| 14 | Herbert Castman | 14 | Stepson | — | Iowa |
| 15 | Evelyn Castman | 12 | Step-dau | — | Iowa |
| 16 | Grace Shoop | 62 | Head | — | Nebraska |
| 17 | Erwin Miller | 26 | Head | Painter | Nebraska |
| 18 | Grace Miller | 21 | Wife | — | Iowa |
| 19 | James Skatges | 40 | Head | Laborer | Greece |
| 20 | Florence Skatges | 54 | Wife | — | Iowa |
| 21 | Matt Baker | 55 | Brother-in-law | Machinist | Missouri |
| 22 | Justine Skatges | 14 | Daughter | — | Iowa |
| 23 | Effie Bridgett | 70 | Head | — | Iowa |
| 24 | Louis Bridgett | 34 | Son | Laborer | Iowa |
| 25 | Violet Bridgett | 30 | Daughter | — | Iowa |
| 26 | Alice Bridgett | 24 | Daughter | — | Iowa |
| 27 | William Phelps | 41 | Head | Laborer | Missouri |
| 28 | Lillian Phelps | 33 | Wife | — | Iowa |
| 29 | William Phelps THIS PERSON | 16 | Son | — | Iowa |
| 30 | Betty M. Phelps | 12 | Daughter | — | Iowa |
| 31 | Judith Phelps | 6 | Daughter | — | Iowa |
| 32 | Jimmy Phelps | 3 | Son | — | Iowa |
| 33 | Walter Phelps | 2 | Son | — | Iowa |
| 34 | John Nyberg | 32 | Head | Switchman | Iowa |
| 35 | Vera Nyberg | 35 | Wife | — | Iowa |
| 36 | Billy Nyberg | 9 | Son | — | Iowa |
| 37 | Pete Trickey | 31 | Head | Laborer | Wisconsin |
| 38 | Stella Trickey | 26 | Wife | — | Nebraska |
| 39 | Ray Trickey | 5 | Son | — | Nebraska |
| 40 | Phyllis Trickey | 2 | Daughter | — | Iowa |
Related Census Records
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)