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Frank Cooper — 1930 US Census Record
Model Tree available1930 United States Federal Census · Linn, Iowa
Our Model Tree links this Frank Cooper across the 1920, 1930 and 1940 US Censuses in Linn, Iowa (XGBoost, ~Confirmed), with identified parents Guy & Bertha — first a son (b.~1916), then head of a 5-person household.
Age 14
b. ~1916
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Linn, Iowa |
| Surname | Cooper |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Cedar Rapids City |
| Est. Birth Year | ~1916 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Guy Cooper | Head | — | 36 | ~1894 |
| Lois Cooper | Daughter | — | 3 | ~1927 |
| Raymond Cooper | Son | — | 11 | ~1919 |
| Frank Cooper | Son | — | 14 | ~1916 |
| Bertha Cooper | Other | — | 33 | ~1897 |
Census Appearances
1920
Linn, Iowa
Son, age 4
Linn, Iowa · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Frank L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Linn, Iowa
Son, age 14
Linn, Iowa · implied b. ~1916 — 5 household members
| Surname | Cooper |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Linn-County, Iowa
Head, age 24
Linn-County, Iowa · implied b. ~1916 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Fredrick |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Cedar Rapids City |
| 1935 Residence (County) | Linn |
| Occupation | Service Man |
| Industry | Adding Machine |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 900 |
| Highest Grade | H-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 Frank Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Guy Cooper (~0.92 confidence) and mother Bertha Cooper (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Guy Cooper
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Bertha Cooper
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Cooper
Son · 1930 · age 14 · b. ~1916 · Iowa
★ You are viewing this record
Sibling
Lois Cooper
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Cooper
Sibling · 1930 · age 11
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 — Linn, Iowa
Open full size
1930 US Federal Census — Linn, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel665:0069)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louise Shaffer | 37 | Wife-H | — | Iowa |
| 2 | Virginia Shaffer | 16 | Daughter | — | Illinois |
| 3 | James E Shaffer | 11 | Son | — | Iowa |
| 4 | Betty J Shaffer | 8 | Daughter | — | Iowa |
| 5 | Richard Shaffer | 6 | Son | — | Iowa |
| 6 | Dewey Locker | 42 | Head | Contractor | England |
| 7 | Lillian Locker | 41 | Wife-H | — | England |
| 8 | Jack H Locker | 17 | Son | — | Iowa |
| 9 | Cecily Locker | 14 | Daughter | — | Iowa |
| 10 | James J Downing | 36 | Head | Millwright | Iowa |
| 11 | Helen M Downing | 26 | Wife-H | — | Iowa |
| 12 | Alice Downing | 5 | Daughter | — | Iowa |
| 13 | Mary A Downing | 3 | Daughter | — | Iowa |
| 14 | James J Downing | 1 | Son | — | Iowa |
| 15 | Francis Downing | 0 | Son | — | Iowa |
| 16 | Clara Harger | 42 | Head | Supt. Of Recreation | Illinois |
| 17 | Margaret Harger | 12 | Daughter | — | Washington |
| 18 | Doris Harger | 10 | Daughter | — | Washington |
| 19 | James Harger | 6 | Son | — | Tennessee |
| 20 | John L Nedrow | 22 | Head | Laborer | Iowa |
| 21 | Lillian Nedrow | 20 | Wife-H | — | Iowa |
| 22 | Judith Nedrow | 1 | Daughter | — | Iowa |
| 23 | Guy L Cooper | 36 | Head | Electrician | Iowa |
| 24 | Bertha Cooper | 33 | Wife-H | — | Illinois |
| 25 | Frank Cooper THIS PERSON | 14 | Son | — | Iowa |
| 26 | Raymond Cooper | 11 | Son | — | Iowa |
| 27 | Lois Cooper | 3 | Daughter | — | Iowa |
| 28 | Charles H Johnson | 31 | Head | Credit Man | Iowa |
| 29 | Frances Johnson | 35 | Wife-H | — | Iowa |
| 30 | George Johnson | 4 | Son | — | Iowa |
| 31 | George W Wilson | 36 | Head | Mechanic | Ohio |
| 32 | Irene J Wilson | 32 | Wife-H | — | Illinois |
| 33 | Doris Wilson | 12 | Daughter | — | Illinois |
| 34 | Gloria J Wilson | 5 | Daughter | — | Illinois |
| 35 | Remer Wilson | 30 | Brother-in-law | — | Illinois |
| 36 | Josephine Harry | 61 | Servant | Housekeeper | New York |
| 37 | Joseph Frank Filipi | 24 | Head | Grease Man-Helper | Iowa |
| 38 | Lucille Filipi | 23 | Wife-H | — | Iowa |
| 39 | Joe Gwozdz | 25 | Head | Service Man | Nebraska |
| 40 | Jessie Gwozdz | 25 | Wife-H | — | Indiana |
| 41 | Leo G Gwozdz | 1 | Son | — | Ohio |
| 42 | Charles Bushnell | 23 | Head | Heat Treater | Iowa |
| 43 | Marie Bushnell | 21 | Wife-H | — | Czechoslovakia |
| 44 | Richard C Bushnell | 1 | Son | — | Iowa |
| 45 | Gail H Clark | 43 | Head | Sales Lady | Iowa |
| 46 | Marion Clark | 18 | Daughter | Office Clerk | Iowa |
| 47 | Helen Clark | 14 | Daughter | — | Iowa |
| 48 | William Olson | 29 | Head | Moulder | Illinois |
| 49 | Ruth Olson | 27 | Wife-H | — | Iowa |
| 50 | Robert J Olson | 6 | Son | — | Iowa |
Pedigree Summary
Frank + 2 siblings
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)