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William Collier — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Scott, Iowa
Our Model Tree links this William Collier across the 1930 and 1940 US Censuses in Scott, Iowa (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 7-person household.
Age 9
b. ~1921
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Scott, Iowa |
| Surname | Collier |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Davenport City |
| Est. Birth Year | ~1921 |
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 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Collier | Son | — | 9 | ~1921 |
| Nora Collier | Other | — | 33 | ~1897 |
| Maudie Collier | Daughter | — | 3 | ~1927 |
| Sadie Collier | Daughter | — | 1 | ~1929 |
| Jess Collier | Son | — | 6 | ~1924 |
| Jess Collier | Head | — | 51 | ~1879 |
| Pearl Collier | Daughter | — | 14 | ~1916 |
Census Appearances
1930
Scott, Iowa
Son, age 9
Scott, Iowa · implied b. ~1921 — 7 household members
| Surname | Collier |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Scott-County, Iowa
Son, age 19
Scott-County, Iowa · implied b. ~1921 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Colliers |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Davenport City |
| 1935 Residence (County) | Scott |
| Occupation | Mechanic Help |
| Industry | Stahl Motors |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 570 |
| Highest Grade | Hs 4 |
| 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 Collier across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Collier
Son · 1930 · age 9 · b. ~1921 · Iowa
★ You are viewing this record
Sibling
Pearl Collier
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maudie Collier
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sadie Collier
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jess Collier
Sibling · 1930 · 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
1930 US Federal Census — Scott, Iowa
Open full size
1930 US Federal Census — Scott, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel681:1132)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jess B Collier | 51 | Head | Carpenter | Indiana |
| 2 | Nora Collier | 33 | Wife-H | None | Iowa |
| 3 | Pearl Collier | 14 | Daughter | None | Iowa |
| 4 | William Collier THIS PERSON | 9 | Son | None | Iowa |
| 5 | Jess Jr Collier | 6 | Son | None | Iowa |
| 6 | Maudie Collier | 3 | Daughter | None | Iowa |
| 7 | Sadie Collier | 1 | Daughter | None | Iowa |
| 8 | Charlotte Mc Cord | 46 | Head | Office Manager | Iowa |
| 9 | Ernest Moetzel | 65 | Head | Pharmacist | Iowa |
| 10 | Eva Moetzel | 56 | Wife-H | Sales Lady | Illinois |
| 11 | Cleo Grabman | 32 | Head | Manager | Iowa |
| 12 | Mary Grabman | 28 | Wife-H | Office Nurse | Iowa |
| 13 | Jennie Owens | 40 | Head-H | Practical Nurse | Kansas |
| 14 | Morene Whallow | 16 | Daughter | Waiter | Missouri |
| 15 | George Mallette | 79 | Head | Carpenter | Missouri |
| 16 | Lucy Mallette | 61 | Wife H | None | Iowa |
| 17 | Ray Sampson | 34 | Head | Machine Operator | Iowa |
| 18 | Mae Sampson | 28 | Wife-H | None | Iowa |
| 19 | Charles Sampson | 11 | Son | None | Iowa |
| 20 | Nelliem Sampson | 6 | Daughter | None | Iowa |
| 21 | Leroy Sampson | 5 | Son | None | Iowa |
| 22 | James G Sampson | 2 | Son | None | Iowa |
| 23 | Carl Lindholm | 37 | Head | Truck Driver | Iowa |
| 24 | Esther Lindholm | 36 | Wife-H | None | Illinois |
| 25 | Doris Lindholm | 10 | Daughter | None | Iowa |
| 26 | Margaret Franey | 72 | Head-HR | None | Kentucky |
| 27 | Kate Daily | 70 | Sister | None | Kentucky |
| 28 | Jewell Fuller | 39 | Head | Violin Maker | Iowa |
| 29 | Elizabeth Fuller | 37 | Wife-H | None | Iowa |
| 30 | Delores Fuller | 15 | Daughter | None | Iowa |
| 31 | Cora Lynch | 50 | Sister in law | None | Iowa |
| 32 | Jess Lamb | 49 | Head | Foreman | Pennsylvania |
| 33 | Bernie E Lamb | 36 | Wife-H | None | New York |
| 34 | Anna Mc Goff | 50 | Lodger | Dressmaking | Iowa |
| 35 | William H Moore | 28 | Head | Salesman-Meat Cutter | Pennsylvania |
| 36 | Mary Moore | 28 | Wife-H | Typist | Illinois |
| 37 | John P Mc Guire | 44 | Head | Truck Driver | Indiana |
| 38 | Nellie J Mc Guire | 48 | Wife-H | Stenographer | Iowa |
| 39 | Caroline J Bellow | 70 | Head-HR | None | Iowa |
| 40 | Emma D Rice | 68 | Head-HR | None | Massachusetts |
| 41 | Herman Bartemeyer | 61 | Head | Proprietor | Iowa |
| 42 | Mary A Bartemeyer | 62 | Wife-H | None | Iowa |
| 43 | Raymond Bartemeyer | 36 | Son | Salesman | Iowa |
| 44 | Edward Balzer | 53 | Head | Cashier | Indiana |
| 45 | Mae Balzer | 50 | Wife-H | None | Iowa |
| 46 | Walter Balzer | 19 | Son | None | Indiana |
| 47 | Alfreda Hansen | 28 | Lodger | Beauty Operator | Iowa |
| 48 | Earl Van Note | 31 | Head | Asst Manager | Iowa |
| 49 | Agnes Van Note | 30 | Wife-H | None | Iowa |
| 50 | — | None | — | — | — |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)