NP
Nels Peterson — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Cook, Illinois
Our Model Tree links this Nels Peterson across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a head (b.~1868), then head of a 3-person household.
Age 42
b. ~1868
Male
Head
Born: Denmark
Married
1910 Census Record Details
| Census Year | 1910 |
| Location | Cook, Illinois |
| Surname | Peterson |
| Given Name | Nels |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Denmark |
| Years Married | 15 |
| Year of Immigration | 1892 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Additional Details | |
| Occupation | Laborer |
| Industry | Building |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
| Occupation | Laborer |
| Township / Ward | Chicago |
| Est. Birth Year | ~1868 |
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.
3 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to Nels | Age | Birth yr |
|---|---|---|---|---|
| Nels Peterson | Head | — | 42 | ~1868 |
| Annie Peterson | Spouse | — | 40 | ~1870 |
| Christine Peterson | Daughter | — | 3 | ~1907 |
Census Appearances
1900
Cook, Illinois
Head, age 34
Cook, Illinois · implied b. ~1866 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | Niels |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Denmark |
| Birth Month | Sep |
| Birth Year | 1866 |
| Year of Immigration | 1891 |
| Naturalization Status | Alien |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Horseshoer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1910
Cook, Illinois
Head, age 42
Cook, Illinois · implied b. ~1868 — 3 household members
| Surname | Peterson |
| Given Name | Nels |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Denmark |
| Years Married | 15 |
| Year of Immigration | 1892 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Laborer |
| Industry | Building |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1920
Cook, Illinois
Head, age 53
Cook, Illinois · implied b. ~1867 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | Niels |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Denmark |
| Year of Immigration | 1906 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Cabinet Maker |
| Industry | Furniture Mfg |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | No |
| Mother Tongue | Danish |
| Home Owned/Rented | R |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1930
Cook, Illinois
Head, age 63
Cook, Illinois · implied b. ~1867 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | Niels |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Denmark |
| Naturalization Status | First papers filed |
| Year of Immigration | 1906 |
| Age at First Marriage | 21 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Cabinet Maker |
| Industry | Wood Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Danish |
| Home Owned/Rented | R |
| Home Value / Rent | 42 |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1940
Cook-County, Illinois
Head, age 72
Cook-County, Illinois · implied b. ~1868 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | Niels |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 72 |
| Marital Status | Married |
| Birthplace | Denmark |
| 1935 Residence (City) | Elk Grove |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 30 |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
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 Nels Peterson across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Nels Peterson
Head · 1910 · age 42 · b. ~1868 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1910 US Federal Census — Cook, Illinois
Open full size
1910 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po242unit:0977)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Frederick L Norton | 39 | Head | Notary | Michigan |
| 52 | Nellie J Norton | 41 | Wife | — | Illinois |
| 53 | Lillie M Putman | 19 | Lodger | Artist | Illinois |
| 54 | Malinda B Trace | 41 | Lodger | Artist | Michigan |
| 55 | William M Pritchard | 21 | Lodger | Clerk | Illinois |
| 56 | Linnie H Pritchard | 23 | Lodger | Clerk | Illinois |
| 57 | Eva M Mcgregor | 23 | Lodger | Clerk | Illinois |
| 58 | Clara M Howard | 40 | Lodger | Clerk | Illinois |
| 59 | Nels Peterson THIS PERSON | 42 | Head | Laborer | Denmark |
| 60 | Annie Peterson | 40 | Wife | — | Denmark |
| 61 | Christine Peterson | 3 | Daughter | — | Illinois |
| 62 | Anna V Trefonas | 39 | Head | — | Wisconsin |
| 63 | George H Trefonas | 21 | Son | Clerk | Illinois |
| 64 | Violet Trefonas | 20 | Daughter | Operator | Illinois |
| 65 | Henry Trefonas | 19 | Son | Deliverer | Illinois |
| 66 | Hazel D Trefonas | 16 | Daughter | — | Illinois |
| 67 | Gertrude G Trefonas | 14 | Daughter | — | Illinois |
| 68 | Stanley S Trefonas | 13 | Son | — | Illinois |
| 69 | Mildred M Trefonas | 10 | Daughter | — | Illinois |
| 70 | Leslie H Trefonas | 7 | Son | — | Illinois |
| 71 | Florence G Trefonas | 6 | Daughter | — | Illinois |
| 72 | George Cook | 22 | Lodger | Conductor | Illinois |
| 73 | Tom Cusick | 24 | Lodger | Conductor | Illinois |
| 74 | George Siebert | 22 | Lodger | Conductor | Wisconsin |
| 75 | John Talmage | 48 | Head | Laundryman | Illinois |
| 76 | Kate S Talmage | 45 | Wife | — | Pennsylvania |
| 77 | Hazel S Talmage | 21 | Daughter | Clerk | Illinois |
| 78 | Violet Talmage | 15 | Daughter | — | Illinois |
| 79 | William H Smith | 52 | Head | Sailor | Wisconsin |
| 80 | Lisa Smith | 46 | Wife | — | Canada French |
| 81 | Leonore Smith | 15 | Daughter | — | Illinois |
| 82 | Marguerite Cook | 20 | Daughter | — | Canada French |
| 83 | James J Smith | 36 | Daughter | — | Illinois |
| 84 | Edward W Milligan | 23 | Lodger | Operator | Illinois |
| 85 | Ross F Bell | 59 | Head | Printer | Ohio |
| 86 | Luella A Bell | 50 | Wife | Watchman | Indiana |
| 87 | Mary A Bell | 19 | Daughter | — | Ohio |
| 88 | Melissa G Bell | 16 | Daughter | Clerk | Ohio |
| 89 | Robert G Bell | 15 | Son | Stock Girl | Ohio |
| 90 | Johanna Autley | 58 | Lodger | — | Kentucky |
| 91 | Edward F Autley | 19 | Lodger | Weaver | Illinois |
| 92 | Sophia Appler | 61 | Head | Artist | Aust Bohemian |
| 93 | Henry Appler | 27 | Son | — | Iowa |
| 94 | Rose Appler | 30 | Daughter | Laborer | Illinois |
| 95 | Dennis F Sullivan | 34 | Head | Cashier | Wisconsin |
| 96 | Grace Sullivan | 29 | Wife | City Salesman | Iowa |
| 97 | Arthur Bernier | 38 | Lodger | — | Illinois |
| 98 | Lillian Bernier | 27 | Lodger | Dyer | Illinois |
| 99 | John Considine | 35 | Lodger | Operator | Illinois |
| 100 | Paul Westburg | 45 | Lodger | Artist | Denmark English |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1910 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)