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Harry Nelson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Harry Nelson across the 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Nils & Anna — first a head (b.~1891), then head of a 5-person household.
Age 39
b. ~1891
Male
Head
Born: Illinois
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Nelson |
| Given Name | Harry S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 29 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Accountant |
| Industry | Building Material |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 250 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Accountant |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1891 |
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 Harry | Age | Birth yr |
|---|---|---|---|---|
| Harry Nelson | Head | — | 39 | ~1891 |
| Anna Nelson | Other | — | 61 | ~1869 |
| Edward Martin | Other | — | 38 | ~1892 |
| Harry Nelson | Son | — | 9 | ~1921 |
| Margaret Nelson | Spouse | — | 43 | ~1887 |
Census Appearances
1910
Cook, Illinois
Son, age 19
Cook, Illinois · implied b. ~1891 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Head, age 29
Cook, Illinois · implied b. ~1891 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Stenographer |
| Industry | Manufacturing |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Head, age 39
Cook, Illinois · implied b. ~1891 — 5 household members
| Surname | Nelson |
| Given Name | Harry S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 29 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Accountant |
| Industry | Building Material |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 250 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Harry Nelson across 3 US Census years (1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage. Identified parents: father Nils Nelson (~0.92 confidence) and mother Anna Nelson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nils Nelson
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Anna Nelson
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Nelson
Head · 1930 · age 39 · b. ~1891 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel505:0136)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Elmer J. Maxwell | 48 | Head | Bricklayer | Ohio |
| 52 | Leona Maxwell | 34 | Wife | Machine Operator | Missouri |
| 53 | Audrey Maxwell | 12 | Daughter | — | Missouri |
| 54 | William Schmidt | 48 | Head | Wiring | Germany |
| 55 | Otto Piper | 29 | Roomer | Carpenter | Germany |
| 56 | George H. Borden | 36 | Head | Proprietor | Illinois |
| 57 | Ila Borden | 32 | Wife | — | Illinois |
| 58 | George Jr. Borden | 6 | Son | — | Illinois |
| 59 | James Borden | 4 | Son | — | Illinois |
| 60 | Edgar F. Ludlow | 50 | Head | Order Clerk | Illinois |
| 61 | Sarah F. Ludlow | 54 | Wife | Private Secretary | Illinois |
| 62 | Dale Lapsley | 52 | Head | Dept. Manager | Pennsylvania |
| 63 | Rose Lapsley | 28 | Wife | — | Illinois |
| 64 | Catherine M. Lapsley | 0 | Daughter | — | Illinois |
| 65 | Catherine Pielow | 34 | Sister | Musician | Pennsylvania |
| 66 | Ralph Pielow | 13 | Nephew | — | Pennsylvania |
| 67 | Joseph A. Kenz | 44 | Head | Accountant | Illinois |
| 68 | Laura Kenz | 37 | Wife | — | Illinois |
| 69 | John A. Kenz | 4 | Son | — | Illinois |
| 70 | Harry S. Nelson THIS PERSON | 39 | Head | Accountant | Illinois |
| 71 | Margaret Nelson | 43 | Wife | — | Iowa |
| 72 | Harry S. Jr. Nelson | 9 | Son | — | Illinois |
| 73 | Anna Nelson | 61 | Mother | — | Sweden |
| 74 | Edward A. Martin | 38 | Brother-in-law | — | Iowa |
| 75 | Edward P. Johnson | 64 | Head | Manufacturer | Iowa |
| 76 | Amelia Johnson | 55 | Wife | — | Iowa |
| 77 | Harold Magnuson | 47 | Head | Decorator | Sweden |
| 78 | Florence M. Magnuson | 37 | Wife | — | Illinois |
| 79 | Wilbur Magnuson | 8 | Son | — | Illinois |
| 80 | Herbert Magnuson | 6 | Son | — | Illinois |
| 81 | Rudolph Ackerman | 28 | Head | Bookkeeper | Missouri |
| 82 | Madeline Ackerman | 29 | Wife | — | Belgium |
| 83 | Virginia Ackerman | 4 | Daughter | — | Illinois |
| 84 | Henry L. Ohlson | 44 | Head | Delicatessen | Norway |
| 85 | Frieda Ohlson | 42 | Wife | — | Germany |
| 86 | Harrison Ohlson | 12 | Son | — | Michigan |
| 87 | Martha Jahn | 55 | Cousin | Bookkeeper | Germany |
| 88 | Oswald Dietrich | 78 | Father-in-law | Clerk | Germany |
| 89 | Alida Johnson | 48 | Head | — | Illinois |
| 90 | Kenneth Johnson | 18 | Son | Clerk | Illinois |
| 91 | George Johnson | 17 | Son | Clerk | Illinois |
| 92 | Beatrice Johnson | 15 | Daughter | — | Illinois |
| 93 | Gwendolyn Johnson | 14 | Daughter | — | Illinois |
| 94 | Harry Johnson | 8 | Son | — | Illinois |
| 95 | Phyllis Johnson | 6 | Daughter | — | Illinois |
| 96 | Merle O. Wolfe | 39 | Head | Mechanic | Illinois |
| 97 | Grace S. Wolfe | 37 | Wife | — | Illinois |
| 98 | Marion Horaty | 15 | Step-daughter | — | Illinois |
| 99 | Gust Reiter | 70 | Head | — | Illinois |
| 100 | Mary Reiter | 67 | Wife | — | Wisconsin |
Pedigree Summary
Harry
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)