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Alvin Anderson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Dekalb, Illinois
Our Model Tree links this Alvin Anderson across the 1920 and 1930 US Censuses in Dekalb, Illinois (XGBoost, ~Confirmed) — first a son (b.~1910), then head of a 9-person household.
Age 20
b. ~1910
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Dekalb, Illinois |
| Surname | Anderson |
| Given Name | Alvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Sycamore 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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Alvin | Age | Birth yr |
|---|---|---|---|---|
| Alvin Anderson | Son | — | 20 | ~1910 |
| Amanda Anderson | Spouse | — | 47 | ~1883 |
| Gilbert Anderson | Son | — | 16 | ~1914 |
| Violet Anderson | Daughter | — | 18 | ~1912 |
| Evelyn Anderson | Daughter | — | 12 | ~1918 |
| Charles Anderson | Son | — | 11 | ~1919 |
| Andrew Anderson | Head | — | 52 | ~1878 |
| Helen Anderson | Daughter | — | 14 | ~1916 |
| Chester Anderson | Son | — | 7 | ~1923 |
Census Appearances
1920
Dekalb, Illinois
Son, age 10
Dekalb, Illinois · implied b. ~1910 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Alvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Dekalb, Illinois
Son, age 20
Dekalb, Illinois · implied b. ~1910 — 9 household members
| Surname | Anderson |
| Given Name | Alvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| 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 Alvin Anderson across 2 US Census years (1920 and 1930) in Dekalb, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Alvin Anderson
Son · 1930 · age 20 · b. ~1910 · Illinois
★ You are viewing this record
Sibling
Chester Anderson
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Anderson
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gilbert Anderson
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Anderson
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Anderson
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Violet Anderson
Sibling · 1930 · age 18
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 — Dekalb, Illinois
Open full size
1930 US Federal Census — Dekalb, Illinois
Page Contents
49 people indexed on this census page (ia:1930:illinoiscensus00reel510:0072)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Wherry Alice | 33 | Daughter | Clerk | Illinois |
| 52 | Geraldine | 8 | Granddaughter | — | Iowa |
| 53 | Elmer Drink | 36 | Head | Milk Delivery | Illinois |
| 54 | Evelyn Drink | 34 | Wife | — | England |
| 55 | James W. Drink | 14 | Son | — | Illinois |
| 56 | Elmer L. Drink | 11 | Son | — | Illinois |
| 57 | Ralph Drink | 9 | Son | — | Illinois |
| 58 | Robert Drink | 7 | Son | — | Illinois |
| 59 | Jane Green | 83 | Head | — | Pennsylvania |
| 60 | Nancy Green | 79 | Sister | — | Illinois |
| 61 | Henrietta Barney | 68 | Head | — | Illinois |
| 62 | Minnie Barney | 41 | Daughter | — | Illinois |
| 63 | Mildred Barney | 39 | Daughter | — | Illinois |
| 64 | Clara Barney | 37 | Daughter | — | Illinois |
| 65 | John Block | 62 | Head | Machine Operator | Illinois |
| 66 | Bertha Block | 58 | Wife | — | Illinois |
| 67 | John J. Shelley | 59 | Head | Agent | Illinois |
| 68 | Mattie Shelley | 55 | Wife | Housekeeper | Illinois |
| 69 | Ivan Shelley | 19 | Son | — | Illinois |
| 70 | Everett Shelley | 17 | Son | — | Illinois |
| 71 | Andrew Anderson | 52 | Head | Laborer | Sweden |
| 72 | Amanda Anderson | 47 | Wife | — | Sweden |
| 73 | Alvin Anderson THIS PERSON | 20 | Son | — | Illinois |
| 74 | Violet Anderson | 18 | Daughter | Machine Operator | Illinois |
| 75 | Gilbert Anderson | 16 | Son | — | Illinois |
| 76 | Helen Anderson | 14 | Daughter | — | Illinois |
| 77 | Evelyn Anderson | 12 | Daughter | — | Illinois |
| 78 | Charles Anderson | 11 | Son | — | Illinois |
| 79 | Chester Anderson | 7 | Son | — | Illinois |
| 80 | Frank Thomas | 42 | Head | Laborer | West Virginia |
| 81 | Mary Thomas | 42 | Wife | — | Illinois |
| 82 | Howard Thomas | 10 | Son | — | Illinois |
| 83 | Robert Thomas | 6 | Son | — | Colorado |
| 84 | Emma Fant | 69 | Head | — | Sweden |
| 85 | Julia Fant | 27 | Daughter | Clerk | Illinois |
| 86 | Herbert Fant | 22 | Son | Laborer | Illinois |
| 87 | Charles Boleen | 64 | Lodger | Carpenter | Sweden |
| 88 | John H. Waterman | 55 | Head | President | Illinois |
| 89 | Thelma Waterman | 42 | Wife | — | Illinois |
| 90 | Phyllis J. Waterman | 20 | Daughter | — | Illinois |
| 91 | John W. Waterman | 17 | Son | — | Illinois |
| 92 | Louise E. Waterman | 16 | Daughter | — | Illinois |
| 93 | Fred H. Brown | 58 | Head | Lumber + Coal | Illinois |
| 94 | Grace C. Brown | 57 | Wife | — | Illinois |
| 95 | John D. Mcdermott | 67 | Head | — | Michigan |
| 96 | Ruth G. Mcdermott | 50 | Wife | — | Pennsylvania |
| 97 | Mabel Mcdermott | 11 | Daughter | — | Illinois |
| 98 | Henry M. Knights | 80 | Head | — | Vermont |
| 99 | Eva J. Knights | 72 | Wife | — | Illinois |
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)