CN
Clara Nelson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Henry, Iowa
Our Model Tree links this Clara Nelson across the 1900, 1910, 1920 and 1930 US Censuses in Henry, Iowa (XGBoost, ~Confirmed), with identified parents Elof & Olaf — first a daughter (b.~1899), then head of a 4-person household.
Age 31
b. ~1899
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Henry, Iowa |
| Surname | Nelson |
| Given Name | Clara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Jackson Township |
| Est. Birth Year | ~1899 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Clara | Age | Birth yr |
|---|---|---|---|---|
| Olaf Nelson | Head | — | 62 | ~1868 |
| Lizzie Nelson | Other | — | 64 | ~1866 |
| Clara Nelson | Daughter | — | 31 | ~1899 |
| Paul Nelson | Son | — | 29 | ~1901 |
Census Appearances
1900
Henry, Iowa
Daughter, age 2
Henry, Iowa · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Clara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Iowa |
| Birth Month | May |
| Birth Year | 1898 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Ohio |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1910
Henry, Iowa
Daughter, age 11
Henry, Iowa · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Clara M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Ohio |
| Occupation | House Helper |
| Industry | Home |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Henry, Iowa
Daughter, age 21
Henry, Iowa · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Clara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Henry, Iowa
Daughter, age 31
Henry, Iowa · implied b. ~1899 — 4 household members
| Surname | Nelson |
| Given Name | Clara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| 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 Clara Nelson across 4 US Census years (1900, 1910, 1920 and 1930) in Henry, Iowa, using XGBoost record linkage. Identified parents: father Elof Nelson (~0.92 confidence) and father Olaf Nelson (~0.92 confidence) and father Olaf Nelson (~0.92 confidence) and mother Lizzie Nelson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Elof Nelson
b. ~1858
Source father
● Household
· direct · ~0.92
Father
Olaf Nelson
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Olaf Nelson
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Lizzie Nelson
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clara Nelson
Daughter · 1930 · age 31 · b. ~1899 · Iowa
★ You are viewing this record
Sibling
Paul Nelson
Sibling · 1930 · age 29
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 — Henry, Iowa
Open full size
1930 US Federal Census — Henry, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel658:0866)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John L Fraise | 52 | Head | None | Iowa |
| 2 | Francis Fraise | 49 | Wife-H | None | Iowa |
| 3 | Adelbert Fraise | 20 | Son | Laborer | Iowa |
| 4 | Wilfred Fraise | 17 | Son | Laborer | Iowa |
| 5 | Robert Fraise | 13 | Son | None | Iowa |
| 6 | Louis Fraise | 12 | Son | None | Iowa |
| 7 | Edith Fraise | 10 | Daughter | None | Iowa |
| 8 | Mary L Fraise | 8 | Daughter | None | Iowa |
| 9 | Etho Myure | 24 | Head | Farming | Iowa |
| 10 | Daisy Myure | 22 | Wife-H | None | Iowa |
| 11 | Ralph A Myure | 25 | Head | Farming | Iowa |
| 12 | Mildred Myure | 25 | Wife-H | None | Iowa |
| 13 | Loyd A Myure | 3 | Son | None | Iowa |
| 14 | Elnora Bell Myure | 1 | Daughter | None | Iowa |
| 15 | Walter Myure | 35 | Head | Farming | Iowa |
| 16 | Macil Myure | 33 | Wife-H | None | Iowa |
| 17 | Mary Sepler | 55 | Head-H | None | Missouri |
| 18 | Frank Sepler | 32 | Son | Manager | Iowa |
| 19 | Harvey Sepler | 19 | Son | Laborer | Kansas |
| 20 | Nevah Sepler | 17 | Daughter | None | Kansas |
| 21 | Elsie Sepler | 12 | Daughter | None | Kansas |
| 22 | U Grant Shafer | 66 | Head | Farming | Iowa |
| 23 | Lucy Shafer | 64 | Wife-H | None | Iowa |
| 24 | Elma Melton | 42 | Daughter | None | Iowa |
| 25 | Merle Melton | 16 | Grandson | None | Iowa |
| 26 | Vera Melton | 15 | Granddaughter | None | Iowa |
| 27 | Donald Melton | 2 | Grandson | None | Iowa |
| 28 | Olaf Nelson | 62 | Head | Farming | Sweden |
| 29 | Lizzie Nelson | 64 | Wife-H | None | Ohio |
| 30 | Clara Nelson THIS PERSON | 31 | Daughter | None | Iowa |
| 31 | Paul Nelson | 29 | Son | Laborer | Iowa |
| 32 | Melvin Donnelly | 38 | Head | None | Iowa |
| 33 | Frances Donnelly | 23 | Wife-H | None | Iowa |
| 34 | Florence Pinkerton | 72 | Servant | Servant | Iowa |
| 35 | Elza C Barker | 56 | Head | Farming | Iowa |
| 36 | Kale C Barker | 20 | Son | Laborer | Iowa |
| 37 | Joe W Barker | 11 | Son | None | Iowa |
| 38 | Mercer Myure | 60 | Head | Farming | Iowa |
| 39 | June Myure | 49 | Wife-H | None | Iowa |
| 40 | Jamie Pickard | 65 | Head | Farming | Iowa |
| 41 | Katie H Johnson | 43 | Daughter | None | Iowa |
| 42 | Henry Johnson | 43 | Son-in-law | Farming | Ohio |
| 43 | Asa Burge | 59 | Head | Farming | Iowa |
| 44 | Lillian Burge | 51 | Wife-H | None | Iowa |
| 45 | Pete Richmond | 47 | Head | Farming | Iowa |
| 46 | Eliza Richmond | 46 | Wife-H | None | Illinois |
| 47 | Paul Saums | 25 | Head | Farming | Iowa |
| 48 | Vera Saums | 24 | Wife-H | None | Iowa |
| 49 | Edwin Saums | 62 | Head | Farming | Iowa |
| 50 | Mary Saums | 60 | Sister-H | None | Iowa |
Pedigree Summary
Clara + 1 sibling
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 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)