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Elsie Davis — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Mchenry, Illinois
Our Model Tree links this Elsie Davis across the 1930 and 1940 US Censuses in Mchenry, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1913), then head of a 5-person household.
Age 17
b. ~1913
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Mchenry, Illinois |
| Surname | Davis |
| Given Name | Elsie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Assembler |
| Industry | Typewriter factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Assembler |
| Township / Ward | Woodstock City |
| Est. Birth Year | ~1913 |
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 Elsie | Age | Birth yr |
|---|---|---|---|---|
| Ella Davis | Head | — | 59 | ~1871 |
| Elsie Davis | Daughter | — | 17 | ~1913 |
| Sylvester Davis | Son | — | 25 | ~1905 |
| George Davis | Son | — | 27 | ~1903 |
| Chester Davis | Son | — | 20 | ~1910 |
Census Appearances
1930
Mchenry, Illinois
Daughter, age 17
Mchenry, Illinois · implied b. ~1913 — 5 household members
| Surname | Davis |
| Given Name | Elsie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Assembler |
| Industry | Typewriter factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Mchenry-County, Illinois
Other, age 27
Mchenry-County, Illinois · implied b. ~1913 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Elsa |
| Relationship to Head | Sister in law |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| 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 Elsie Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Elsie Davis
Daughter · 1930 · age 17 · b. ~1913 · Illinois
★ You are viewing this record
Sibling
Sylvester Davis
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Chester Davis
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Davis
Sibling · 1930 · age 27
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 — Mchenry, Illinois
Open full size
1930 US Federal Census — Mchenry, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel536:0854)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | David R Manley | 26 | Head | Machine Hand | Florida |
| 2 | Marian Manley | 29 | Wife | Punch Press Operat | Illinois |
| 3 | Hazel Hutson | 18 | Sister | Bench Work | Illinois |
| 4 | Donald Shaw | 23 | Head | Polishing | Illinois |
| 5 | Myrtle G Shaw | 21 | Wife | — | Illinois |
| 6 | George D Shaw | 2 | Son | — | Illinois |
| 7 | Mary L Shaw | 0 | Daughter | — | Illinois |
| 8 | Guy W Knapp | 34 | Head | Carpenter | New York |
| 9 | Elizabeth Knapp | 29 | Wife | — | Germany |
| 10 | Robert Knapp | 8 | Son | — | New York |
| 11 | Forrest Knapp | 6 | Son | — | Illinois |
| 12 | Jean Knapp | 2 | Daughter | — | Illinois |
| 13 | Einar Carlson | 32 | Head | Die Casting Operat | Sweden |
| 14 | Lewis E Boone | 26 | Head | Sheet Metal Worker | Missouri |
| 15 | Stanley B Boone | 0 | Son | — | Illinois |
| 16 | Alveda Boone | 29 | Daughter-in-law | Auto Mechanic | Norway |
| 17 | Gordon C Boone | 10 | Daughter-in-law | — | Illinois |
| 18 | Marilyn Boone | 4 | Daughter-in-law | — | Illinois |
| 19 | Marjorie Boone | 3 | Daughter-in-law | — | Illinois |
| 20 | Jens Mikkelsen | 51 | Head | Carpenter | Denmark |
| 21 | Inger Mikkelsen | 45 | Wife | — | Denmark |
| 22 | Marian Mikkelsen | 21 | Daughter | Clerk | Illinois |
| 23 | Vernon Mikkelsen | 20 | Son | — | Illinois |
| 24 | Gladys Mikkelsen | 18 | Daughter | — | Illinois |
| 25 | Florence C Mikkelsen | 5 | Daughter | — | Illinois |
| 26 | Albert J Westphal | 60 | Head | Assembling | Illinois |
| 27 | Julia H Westphal | 59 | Wife | Cook | Nebraska |
| 28 | Isaac N Fish | 36 | Head | Truck Driver | Wisconsin |
| 29 | Vera Fish | 38 | Wife | — | Illinois |
| 30 | Doris Fish | 2 | Daughter | — | Illinois |
| 31 | Axel Holmstrom | 68 | Head | — | Sweden |
| 32 | Laura Holmstrom | 45 | Daughter | — | Sweden |
| 33 | George J Phelps | 75 | Head | Gardener | Pennsylvania |
| 34 | Gertrude Phelps | 50 | Wife | — | Pennsylvania |
| 35 | Carlyle Phelps | 18 | Son | — | Illinois |
| 36 | Ella Davis | 59 | Head | — | Illinois |
| 37 | George Davis | 27 | Son | Truck Driver | Illinois |
| 38 | Sylvester Davis | 25 | Son | Assembler | Illinois |
| 39 | Chester Davis | 20 | Son | Polisher | Illinois |
| 40 | Elsie Davis THIS PERSON | 17 | Daughter | Assembler | Illinois |
| 41 | Chris Cristman | 48 | Head | Machinist | Denmark |
| 42 | Cristina Cristman | 44 | Wife | — | Denmark |
| 43 | Mary Cristman | 18 | Daughter | Assembler | Denmark |
| 44 | Peter Cristman | 15 | Son | — | Nebraska |
| 45 | Alvina Cristman | 12 | Daughter | — | Nebraska |
| 46 | John H Miller | 60 | Head | — | Illinois |
| 47 | William A Miller | 59 | Wife | — | Iowa |
| 48 | George R Miller | 19 | Son | Interior Decorator | Illinois |
| 49 | Isaac Moore | 51 | Boarder | Tile Ditching | Indiana |
| 50 | Fred H Klatt | 21 | Boarder | Polisher | 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)