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Mary Kelley — 1920 US Census Record
Model Tree available1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Kelley across the 1900, 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents George & George — first a daughter (b.~1894), then head of a 6-person household.
Age 26
b. ~1894
Female
Daughter
Born: Colorado
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Kelley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | England |
| Mother's Birthplace | New York |
| Additional Details | |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Lyons Township |
| Est. Birth Year | ~1894 |
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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Agnes Kelley | Daughter | — | 21 | ~1899 |
| Mary Kelley | Daughter | — | 26 | ~1894 |
| Margaret Kelley | Daughter | — | 27 | ~1893 |
| George Kelley | Head | — | 58 | ~1862 |
| Elizabeth Joyce | Other | — | 79 | ~1841 |
| Mary Kelley | Spouse | — | 58 | ~1862 |
Census Appearances
1900
Cook, Illinois
Daughter, age 7
Cook, Illinois · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelley |
| Given Name | Mabel J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Colorado |
| Birth Month | Sept |
| Birth Year | 1893 |
| Father's Birthplace | England |
| Mother's Birthplace | New York |
| Occupation | At School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1910
Cook, Illinois
Daughter, age 14
Cook, Illinois · implied b. ~1896 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelley |
| Given Name | M. Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | England |
| Mother's Birthplace | New York |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1920
Cook, Illinois
Daughter, age 26
Cook, Illinois · implied b. ~1894 — 6 household members
| Surname | Kelley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | England |
| Mother's Birthplace | New York |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Cook, Illinois
Daughter, age 36
Cook, Illinois · implied b. ~1894 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelley |
| Given Name | Marie J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Colorado |
| Age at First Marriage | 36 |
| Father's Birthplace | England |
| Mother's Birthplace | New York |
| Occupation | Secretary |
| Industry | Paper Company |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Kelley across 4 US Census years (1900, 1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage. Identified parents: father George Kelley (~0.92 confidence) and father George Kelley (~0.92 confidence) and mother Mary Kelley (~0.92 confidence) and mother Mary Kelley (~0.92 confidence) and mother Mary Kelley (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Kelley
b. ~1862
Source father
● Household
· direct · ~0.92
Father
George Kelley
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Mary Kelley
b. ~1865
Source mother
● Household
· direct · ~0.92
Mother
Mary Kelley
b. ~1862
Source mother
● Household
· direct · ~0.92
Mother
Mary Kelley
b. ~1862
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Kelley
Daughter · 1920 · age 26 · b. ~1894 · Illinois
★ You are viewing this record
Sibling
Agnes Kelley
Sibling · 1920 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Kelley
Sibling · 1920 · 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
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:1920:14thcensusofpopu360unit:0871)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Maggie Lehner | 75 | Mother | — | New York |
| 52 | Nick Nick | 27 | Head | — | Illinois |
| 53 | Emma Nick | 20 | Wife | — | Illinois |
| 54 | John Nick | 4 | Son | — | Illinois |
| 55 | Harriet Nick | 0 | Daughter | — | Illinois |
| 56 | Elizabeth Nick | 4 | Sister | — | Illinois |
| 57 | Nick | None | — | — | — |
| 58 | Nick | None | — | — | — |
| 59 | William Powers | 52 | Head | — | Illinois |
| 60 | Nellie Powers | 48 | Wife | — | Illinois |
| 61 | William J. Powers | 22 | Son | — | Illinois |
| 62 | Alice M. Powers | 18 | Daughter | — | Illinois |
| 63 | Richard J. Powers | 15 | Son | — | Illinois |
| 64 | Josephine Powers | 12 | Daughter | — | Illinois |
| 65 | George Senneff | 44 | Head | — | Illinois |
| 66 | Senneff | 41 | Wife | — | Illinois |
| 67 | Lola Senneff | 17 | Daughter | — | Illinois |
| 68 | Hans Frandsen | 46 | Head | — | Denmark |
| 69 | Frandsen | 43 | Wife | — | Denmark |
| 70 | Nels Sorenson | 28 | Boarder | — | Denmark |
| 71 | Otto Sorenson | 30 | Boarder | — | Denmark |
| 72 | Gladys Sorenson | 22 | Boarder | — | Illinois |
| 73 | William Stacy | 35 | Head | — | Illinois |
| 74 | Dora Stacy | 31 | Wife | — | Illinois |
| 75 | Frank Burdsell | 44 | Head | — | Illinois |
| 76 | Ida Burdsell | 42 | Wife | — | Illinois |
| 77 | Arthur Burdsell | 15 | Son | — | Illinois |
| 78 | Hazel Burdsell | 12 | Daughter | — | Illinois |
| 79 | Walter R. Fuegner | 34 | Head | — | Illinois |
| 80 | Nellie Fuegner | 35 | Wife | — | Illinois |
| 81 | Raymond Fuegner | 10 | Son | — | Illinois |
| 82 | Doris Fuegner | 4 | Daughter | — | Illinois |
| 83 | Bernard E. Maas | 38 | Head | — | Illinois |
| 84 | Laura E. Maas | 31 | Wife | — | Illinois |
| 85 | James Maas | 9 | Son | — | Illinois |
| 86 | Marjorie Maas | 6 | Daughter | — | Illinois |
| 87 | Alice Maas | 2 | Daughter | — | Illinois |
| 88 | Bernice Maas | 1 | Daughter | — | Illinois |
| 89 | Joe Uhlir | 49 | Head | Tailor | Bohemia |
| 90 | Jennie Uhlir | 49 | Wife | — | Bohemia |
| 91 | Mary Uhlir | 21 | Daughter | — | Illinois |
| 92 | Mary Haupt | 77 | Mother-in-law | — | Canada |
| 93 | George Kelley | 58 | Head | — | England |
| 94 | Mary E. Kelley | 58 | Wife | — | New York |
| 95 | Margaret Kelley | 27 | Daughter | — | Illinois |
| 96 | Mary Kelley THIS PERSON | 26 | Daughter | — | Colorado |
| 97 | Agnes Kelley | 21 | Daughter | — | Illinois |
| 98 | Elizabeth Joyce | 79 | Mother-in-law | — | New York |
| 99 | Arey Ramstead | 39 | Head | Carpenter | Illinois |
| 100 | Edith Ramstead | 32 | Wife | — | Illinois |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)