MH
Mary Hendricks — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Jo Daviess, Illinois
Our Model Tree links this Mary Hendricks across the 1920 and 1930 US Censuses in Jo Daviess, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 8-person household.
Age 11
b. ~1919
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Jo Daviess, Illinois |
| Surname | Hendricks |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Galena City |
| Est. Birth Year | ~1919 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Virgil Hendricks | Son | — | 16 | ~1914 |
| Albert Hendricks | Head | — | 45 | ~1885 |
| Mary Hendricks | Daughter | — | 11 | ~1919 |
| William Hendricks | Son | — | 12 | ~1918 |
| Earl Hendricks | Son | — | 14 | ~1916 |
| Elizabeth Hendricks | Daughter | — | 7 | ~1923 |
| Inez Hendricks | Spouse | — | 45 | ~1885 |
| Helena Hendricks | Daughter | — | 3 | ~1927 |
Census Appearances
1920
Jo Daviess, …
Daughter, age
Jo Daviess, Illinois · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hendricks |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Jo Daviess, …
Daughter, age 11
Jo Daviess, Illinois · implied b. ~1919 — 8 household members
| Surname | Hendricks |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Illinois |
| Occupation | none |
| 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 Mary Hendricks across 2 US Census years (1920 and 1930) in Jo Daviess, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hendricks
Daughter · 1930 · age 11 · b. ~1919 · Illinois
★ You are viewing this record
Sibling
Helena Hendricks
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Hendricks
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virgil Hendricks
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Hendricks
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Hendricks
Sibling · 1930 · age 14
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 — Jo Daviess, Illinois
Open full size
1930 US Federal Census — Jo Daviess, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel522:0384)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Joyce I. Stovall | 2 | Daughter | None | Wisconsin |
| 52 | Wayne E. Stovall | 1 | Son | None | Missouri |
| 53 | Albert Hendricks | 45 | Head | Grain Man | Wisconsin |
| 54 | Inez A. Hendricks | 45 | Wife | None | Illinois |
| 55 | Virgil F. Hendricks | 16 | Son | None | Wisconsin |
| 56 | Earl A. Hendricks | 14 | Son | None | Wisconsin |
| 57 | William H. Hendricks | 12 | Son | None | Illinois |
| 58 | Mary A. Hendricks THIS PERSON | 11 | Daughter | None | Illinois |
| 59 | Elizabeth C. Hendricks | 7 | Daughter | None | Illinois |
| 60 | Helena I. Hendricks | 3 | Daughter | None | Illinois |
| 61 | Dorotha Studier | 78 | Head | None | Germany |
| 62 | Frank J. Gunn | 62 | Head | Mining | England |
| 63 | Malinda A. Gunn | 62 | Wife | Trained | West Virginia |
| 64 | John Meinakon | 73 | Head | None | Illinois |
| 65 | Annie Meinakon | 70 | Wife | None | Illinois |
| 66 | Stephen Meinakon | 66 | Brother | Laborer | Illinois |
| 67 | Addie Robbins | 66 | Head | None | Iowa |
| 68 | Thomas J. Devers | 68 | Head | Laborer | Iowa |
| 69 | Joseph Bohnsack | 74 | Head | None | Germany |
| 70 | Fredericka Bohnsack | 62 | Wife | None | Germany |
| 71 | Christian Smith | 35 | Head | Bridgeman | Illinois |
| 72 | Bernice Smith | 36 | Wife | None | Illinois |
| 73 | Bernice L. Smith | 14 | Daughter | None | Illinois |
| 74 | Romaine P. Smith | 12 | Son | None | Illinois |
| 75 | Edna J. Smith | 10 | Daughter | None | Illinois |
| 76 | Lloyd F. Smith | 9 | Son | None | Illinois |
| 77 | Chrystle A. Smith | 8 | Daughter | None | Illinois |
| 78 | Louise S. Smith | 6 | Daughter | None | Illinois |
| 79 | Velma E. Smith | 4 | Daughter | None | Illinois |
| 80 | Lydia A. Smith | 3 | Daughter | None | Illinois |
| 81 | Robert A. Smith | 2 | Son | None | Illinois |
| 82 | Marie A. Smith | 0 | Daughter | None | Illinois |
| 83 | Everett H. Bells | 45 | Head | Foreman | Wisconsin |
| 84 | Pearl G. Bells | 41 | Wife | None | Wisconsin |
| 85 | Lenora V. Bells | 19 | Daughter | Seamstress | Wisconsin |
| 86 | Adeline H. Bells | 16 | Daughter | Seamstress | Illinois |
| 87 | Hazel J. Bells | 14 | Daughter | None | Wisconsin |
| 88 | Emeline J. Bells | 11 | Daughter | None | Illinois |
| 89 | Theda G. Bells | 9 | Daughter | None | Illinois |
| 90 | Everett H. Bells | 7 | Son | None | Illinois |
| 91 | Vivian M. Bells | 3 | Daughter | None | Wisconsin |
| 92 | Peter Griebel | 51 | Head | Mining | Germany |
| 93 | Mary E. Griebel | 41 | Wife | None | Iowa |
| 94 | Veronica A. Griebel | 20 | Daughter | None | Illinois |
| 95 | Florence G. Griebel | 17 | Daughter | House Work | Illinois |
| 96 | Arnold F. Griebel | 14 | Son | None | Illinois |
| 97 | Edmund L. Griebel | 8 | Son | None | Illinois |
| 98 | Helen L. Griebel | 11 | Daughter | None | Illinois |
| 99 | Louis J. Griebel | 6 | Son | None | Illinois |
| 100 | Laurrie G. Griebel | 5 | Daughter | None | 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)