IA
Ida Allen — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Mchenry, Illinois
Our Model Tree links this Ida Allen across the 1910 and 1920 US Censuses in Mchenry, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1908), then head of a 8-person household.
Age 12
b. ~1908
Female
Daughter
Born: Illinois
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Mchenry, Illinois |
| Surname | Allen |
| Given Name | Ida |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Crystal Lake City |
| Est. Birth Year | ~1908 |
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 1920 census.
| Name | Relation to head | Relative to Ida | Age | Birth yr |
|---|---|---|---|---|
| Mary Allen | Spouse | — | 48 | ~1872 |
| John Allen | Head | — | 53 | ~1867 |
| Marion Allen | Daughter | — | 14 | ~1906 |
| Ida Allen | Daughter | — | 12 | ~1908 |
| Vera Allen | Daughter | — | 7 | ~1913 |
| Irene Allen | Daughter | — | 19 | ~1901 |
| Mabel Allen | Daughter | — | 17 | ~1903 |
| Thomas Allen | Son | — | 22 | ~1898 |
Census Appearances
1910
Mchenry, Illinois
Daughter, age 3
Mchenry, Illinois · implied b. ~1907 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Ida |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Mchenry, Illinois
Daughter, age 12
Mchenry, Illinois · implied b. ~1908 — 8 household members
| Surname | Allen |
| Given Name | Ida |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 Ida Allen across 2 US Census years (1910 and 1920) in Mchenry, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Ida Allen
Daughter · 1920 · age 12 · b. ~1908 · Illinois
★ You are viewing this record
Sibling
Thomas Allen
Sibling · 1920 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Allen
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vera Allen
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Allen
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Allen
Sibling · 1920 · 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
1920 US Federal Census — Mchenry, Illinois
Open full size
1920 US Federal Census — Mchenry, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu386unit:0102)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Patrick Gannon | 50 | Head | — | New York |
| 2 | John Gannon | 45 | Brother | — | New York |
| 3 | John Allen | 53 | Head | Laborer | Illinois |
| 4 | Mary Allen | 48 | Wife | — | Illinois |
| 5 | Thomas Allen | 22 | Son | Baggageman | Illinois |
| 6 | Irene Allen | 19 | Daughter | Stenographer | Illinois |
| 7 | Mabel Allen | 17 | Daughter | — | Illinois |
| 8 | Marion Allen | 14 | Daughter | — | Illinois |
| 9 | Ida Allen THIS PERSON | 12 | Daughter | — | Illinois |
| 10 | Vera Allen | 7 | Daughter | — | Illinois |
| 11 | Andrew Pierson | 55 | Head | Carpenter | Sweden |
| 12 | Emma Pierson | 51 | Wife | — | Sweden |
| 13 | Helen Pierson | 22 | Daughter | Bookkeeper | Illinois |
| 14 | Walter Pierson | 17 | Son | — | Illinois |
| 15 | Alice Pierson | 16 | Daughter | — | Illinois |
| 16 | Stanley Pierson | 13 | Son | — | Illinois |
| 17 | Charles Lindecrona | 83 | Uncle | — | Sweden |
| 18 | Amanda Simon | 33 | Head | — | Wisconsin |
| 19 | Edward Simon | 5 | Son | — | Illinois |
| 20 | Mary Simon | 3 | Daughter | — | Illinois |
| 21 | Julius Stauffenberg | 40 | Head | Farmer | Illinois |
| 22 | Clara Stauffenberg | 35 | Wife | — | Illinois |
| 23 | Harvey Stauffenberg | 1 | Son | — | Illinois |
| 24 | Joseph Giese | 34 | Head | Farmer | Illinois |
| 25 | Vera Giese | 26 | Wife | — | Illinois |
| 26 | Barbara Giese | 7 | Daughter | — | Illinois |
| 27 | James P. Lang | 37 | Head | Veterinary Surgeon | Illinois |
| 28 | Margaret E. Lang | 31 | Wife | — | Iowa |
| 29 | Robert E. Lang | 7 | Son | — | Illinois |
| 30 | Kathryn W. Lang | 3 | Daughter | — | Illinois |
| 31 | Mary Mcgarry | 67 | Head | — | Illinois |
| 32 | Charles Mcgarry | 60 | Brother | — | Illinois |
| 33 | Katherine Mcgarry | 61 | Sister | — | Illinois |
| 34 | George Stenquist | 30 | Head | Truck Driver | Illinois |
| 35 | Rose Stenquist | 26 | Wife | — | Illinois |
| 36 | Alice Stenquist | 2 | Daughter | — | Illinois |
| 37 | Chris Pfeiffer | 25 | Head | Farmer | Illinois |
| 38 | Louis Pfeiffer | 22 | Brother | Ice-Man | Illinois |
| 39 | Henry Pfeiffer | 20 | Brother | Ice-Man | Illinois |
| 40 | Carl Ott | 73 | Head | — | Pomerania |
| 41 | Sofia Ott | 68 | Wife | — | Pomerania |
| 42 | Fred Flotow | 54 | Head | Caretaker | Pomerania |
| 43 | Wilhemia Flotow | 57 | Wife | — | Pomerania |
| 44 | John Fahrenholz | 54 | Head | Presser | Pomerania |
| 45 | Caroline Fahrenholz | 46 | Wife | Washwoman | Pomerania |
| 46 | Anna Fahrenholz | 24 | Daughter | — | Illinois |
| 47 | Carl Fahrenholz | 18 | Son | Clerk | Illinois |
| 48 | Martha Fahrenholz | 14 | Daughter | — | Illinois |
| 49 | Esther Fahrenholz | 10 | Daughter | — | Illinois |
| 50 | Edna Fahrenholz | 3 | Daughter | — | Illinois |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)