AL
Arthur Lund — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clinton-County, Iowa
Our Model Tree links this Arthur Lund across the 1920, 1930 and 1940 US Censuses in Clinton-County, Iowa (XGBoost, ~Confirmed), with identified parents Louie & Mary — first a son (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clinton-County, Iowa |
| Surname | Lund |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Clinton City |
| 1935 Residence (County) | Clinton |
| Additional Details | |
| Occupation | Packer |
| Industry | Wood Working |
| Class of Worker | PW |
| Hours Worked | 47 |
| Income (1939) | 1535 |
| Highest Grade | No 6 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Packer |
| Township / Ward | Clinton City |
| Est. Birth Year | ~1910 |
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 1940 census.
| Name | Relation to head | Relative to Arthur | Age | Birth yr |
|---|---|---|---|---|
| Edward Lund | Son | — | 28 | ~1912 |
| Arthur Lund | Son | — | 30 | ~1910 |
| Frank Lund | Son | — | 23 | ~1917 |
| Mary Lund | Head | — | 53 | ~1887 |
| Louis Lund | Son | — | 21 | ~1919 |
Census Appearances
1920
Clinton, Iowa
Son, age 9
Clinton, Iowa · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lund |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Clinton, Iowa
Son, age 19
Clinton, Iowa · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lund |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | machine hand |
| Industry | Sash Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Clinton-County, Iowa
Son, age 30
Clinton-County, Iowa · implied b. ~1910 — 5 household members
| Surname | Lund |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Clinton City |
| 1935 Residence (County) | Clinton |
| Occupation | Packer |
| Industry | Wood Working |
| Class of Worker | PW |
| Hours Worked | 47 |
| Income (1939) | 1535 |
| Highest Grade | No 6 |
| 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 Arthur Lund across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Louie Lund (~0.92 confidence) and mother Mary Lund (~0.92 confidence) and mother Mary Lund (~0.92 confidence) and mother Mary Lund (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Louie Lund
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Mary Lund
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Mary Lund
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Mary Lund
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arthur Lund
Son · 1940 · age 30 · b. ~1910 · Iowa
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Sibling
Edward Lund
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Lund
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Lund
Sibling · 1940 · age 23
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 — Clinton-County, Iowa
Open full size
1940 US Federal Census — Clinton-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01150-00141)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Franklyn Kieser | 26 | Son | Window Decorator | Illinois |
| 2 | Leon Cavanaugh | 33 | Head | Wire Straightener | Iowa |
| 3 | Beatrice Cavanaugh | 33 | Wife | Assembler | Iowa |
| 4 | Robert Cavanaugh | 14 | Son | — | Iowa |
| 5 | Patricia Cavanaugh | 9 | Daughter | — | Iowa |
| 6 | David Cavanaugh | 7 | Son | — | Iowa |
| 7 | Raymond Byam | 39 | Head | Clerk | Iowa |
| 8 | Sophia Byam | 38 | Wife | — | Iowa |
| 9 | Donald Byam | 15 | Son | — | Iowa |
| 10 | Mary Lund | 53 | Head | Machine Oper | Iowa |
| 11 | Arthur Lund THIS PERSON | 30 | Son | Packer | Iowa |
| 12 | Edward Lund | 28 | Son | Machine Oper | Iowa |
| 13 | Frank Lund | 23 | Son | Shed Man | Iowa |
| 14 | Louis Lund | 21 | Son | Machine Oper | Iowa |
| 15 | Royal Kime | 35 | Head | Painter Foreman | Nebraska |
| 16 | Alma Kime | 38 | Wife | — | Iowa |
| 17 | William Siek | 51 | Head | Stationary Engr | Germany |
| 18 | Dora Siek | 52 | Wife | — | Germany |
| 19 | Gus Melin | 52 | Head | Boiler Maker | Iowa |
| 20 | Catherine Melin | 47 | Wife | — | Iowa |
| 21 | Merla Melin | 21 | Daughter | Bookkeeper | Iowa |
| 22 | Dorothy Melin | 12 | Daughter | — | Iowa |
| 23 | Marie Wiche | 79 | Mother | — | Germany |
| 24 | Brother Herbert | None | M | Steam Rail Road | — |
| 25 | Charles Honey | 21 | Head | Machine Operator | Illinois |
| 26 | Pearlene Honey | 21 | Wife | — | Illinois |
| 27 | Eugene Honey | 1 | Son | — | Iowa |
| 28 | Mary Vuppie | 79 | Head | — | Iowa |
| 29 | John Rees | 61 | Head | Welder | Denmark |
| 30 | Wilhelmina Rees | 61 | Wife | — | Iowa |
| 31 | Edward Rees | 33 | Son | Truck Driver | Iowa |
| 32 | Edward Swanburg | 35 | Head | Attendant | Iowa |
| 33 | Marion Swanburg | 34 | Wife | — | Iowa |
| 34 | Sheila Swanburg | 15 | Daughter | — | Iowa |
| 35 | Jane Swanburg | 12 | Daughter | — | Iowa |
| 36 | Joan Swanburg | 10 | Daughter | — | Iowa |
| 37 | Edward Swanburg | 0 | Son | — | Iowa |
| 38 | Caroline Paulsen | 72 | Head | — | Denmark |
| 39 | Alma Schroeder | 30 | Lodger | Waitress | Iowa |
| 40 | Caroline Poppinga | 88 | Head | — | Germany |
Pedigree Summary
Arthur + 3 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)