MC
Myrtle Clark — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Myrtle Clark across the 1910 and 1920 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1897), then head of a 10-person household.
Age 23
b. ~1897
Female
Daughter
Born: Illinois
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Clark |
| Given Name | Myrtle I. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Operator |
| Industry | Telephone |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Operator |
| Township / Ward | Chicago |
| Est. Birth Year | ~1897 |
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.
10 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Myrtle | Age | Birth yr |
|---|---|---|---|---|
| Esther Clark | Daughter | — | 19 | ~1901 |
| Randall Clark | Son | — | 10 | ~1910 |
| John Clark | Son | — | 16 | ~1904 |
| William Clark | Head | — | 57 | ~1863 |
| Myrtle Clark | Daughter | — | 23 | ~1897 |
| Terrance Clark | Son | — | 24 | ~1896 |
| Leo Clark | Son | — | 26 | ~1894 |
| Sarah Clark | Spouse | — | 45 | ~1875 |
| Marjorie Clark | Daughter | — | 12 | ~1908 |
| Bernice Clark | Daughter | — | 13 | ~1907 |
Census Appearances
1910
Cook, Illinois
Daughter, age 13
Cook, Illinois · implied b. ~1897 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Myrtle |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Daughter, age 23
Cook, Illinois · implied b. ~1897 — 10 household members
| Surname | Clark |
| Given Name | Myrtle I. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Illinois |
| Occupation | Operator |
| Industry | Telephone |
| Class of Worker | W |
| 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 Myrtle Clark across 2 US Census years (1910 and 1920) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Myrtle Clark
Daughter · 1920 · age 23 · b. ~1897 · Illinois
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Sibling
Leo Clark
Sibling · 1920 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Clark
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Esther Clark
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Terrance Clark
Sibling · 1920 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Clark
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Randall Clark
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Clark
Sibling · 1920 · age 13
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 — Cook, Illinois
Open full size
1920 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu352unit:0478)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Estella | 23 | Wife | None | Illinois |
| 2 | Donald | 1 | Son | None | Illinois |
| 3 | William J. Clark | 57 | Head | Motorman | Wisconsin |
| 4 | Sarah Clark | 45 | Wife | None | Illinois |
| 5 | Leo William Clark | 26 | Son | Salesman | Wisconsin |
| 6 | Terrance J. Clark | 24 | Son | Clerk | Illinois |
| 7 | Myrtle I. Clark THIS PERSON | 23 | Daughter | Operator | Illinois |
| 8 | Esther Clark | 19 | Daughter | Operator | Illinois |
| 9 | John H. Clark | 16 | Son | Bookkeeper | Illinois |
| 10 | Bernice Clark | 13 | Daughter | None | Illinois |
| 11 | Marjorie Clark | 12 | Daughter | None | Illinois |
| 12 | Randall Clark | 10 | Son | None | Illinois |
| 13 | Albert J. Brooks | 52 | Head | Millwright | Canada |
| 14 | Annie Brooks | 46 | Wife | None | England |
| 15 | Mary Brooks | 18 | Daughter | Office Work | Illinois |
| 16 | Dorothy Brooks | 15 | Daughter | None | Illinois |
| 17 | Alice Brooks | 12 | Daughter | None | Illinois |
| 18 | George Brooks | 8 | Son | None | Illinois |
| 19 | Peter Nelsen | 61 | Boarder | Laborer | Denmark |
| 20 | Walter Savage | 37 | Head | Office Work | Illinois |
| 21 | Gertrude Savage | 36 | Wife | None | England |
| 22 | Richard Savage | 11 | Son | None | Illinois |
| 23 | William Savage | 8 | Son | None | Illinois |
| 24 | Walter Jr. Savage | 5 | Son | None | Illinois |
| 25 | Donald Savage | 2 | Son | None | Illinois |
| 26 | Clara Connolly | 56 | Mother-in-law | None | England |
| 27 | Ella Matson | 63 | Head | Cook | Iowa |
| 28 | Alzina Soper | 85 | Mother | Cook | New York |
| 29 | Charles Bohman | 48 | Boarder | Machinist | Sweden |
| 30 | Edward Laup | 24 | Boarder | Carpenter | Illinois |
| 31 | John F. Knoke | 34 | Boarder | Carpenter | Illinois |
| 32 | Clarence Erickson | 39 | Head | Fireman | Illinois |
| 33 | Marie Erickson | 39 | Wife | None | Bohemia |
| 34 | Henry Schwarz | 40 | Head | Steamfitter | Germany |
| 35 | Emma Schwarz | 36 | Wife | None | Germany |
| 36 | Henry Jr. Schwarz | 16 | Son | Laborer | Illinois |
| 37 | George Schwarz | 12 | Son | None | Illinois |
| 38 | Barbara Schwarz | 10 | Daughter | None | Illinois |
| 39 | Johanna Schwarz | 8 | Daughter | None | Illinois |
| 40 | Ferdinand Schwarz | 6 | Son | — | Illinois |
| 41 | Raymond Schwarz | 2 | Son | — | Illinois |
| 42 | Anton Sabrisal | 52 | Boarder | Machinist | Germany |
| 43 | Dorothea Reynolds | 58 | Head | Machinist | Ohio |
| 44 | Mary Reynolds | 34 | Daughter | Stenographer | Ohio |
| 45 | James J. Hallow | 49 | Head | Conductor | Ohio |
| 46 | Mary Hallow | 43 | Wife | None | New York |
| 47 | Andrew Hallow | 47 | Head | Machinist | Germany |
| 48 | Pauline Hallow | 43 | Wife | None | Germany |
| 49 | William Hallow | 18 | Son | Bookkeeper | Illinois |
| 50 | John Hallow | 16 | Son | Messenger | Illinois |
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)