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Mary Bartlett — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Bartlett across the 1900, 1910 and 1920 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a head (b.~1844), then head of a 7-person household.
Age 76
b. ~1844
Female
Head
Born: New York
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Bartlett |
| Given Name | Mary E. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 76 |
| Marital Status | Widowed |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Chicago |
| Est. Birth Year | ~1844 |
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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ivy Gerhardt | Other | — | 10 | ~1910 |
| Bessie Gerhardt | Daughter | — | 34 | ~1886 |
| William Gerhardt | Other | — | 40 | ~1880 |
| Florence Gerhardt | Other | — | ~1920 | |
| Edward Gerhardt | Other | — | 6 | ~1914 |
| Mary Bartlett | Head | — | 76 | ~1844 |
| Fred Bartlett | Son | — | 55 | ~1865 |
Census Appearances
1900
Cook, Illinois
Head, age 57
Cook, Illinois · implied b. ~1843 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bartlett |
| Given Name | Mary E. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Widowed |
| Birthplace | New York |
| Birth Month | Aug |
| Birth Year | 1843 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1910
Cook, Illinois
Head, age 66
Cook, Illinois · implied b. ~1844 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bartlett |
| Given Name | Mary E |
| Relationship to Head | head |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Widowed |
| Birthplace | New York |
| Children Born | 4 |
| Children Living | 2 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1920
Cook, Illinois
Head, age 76
Cook, Illinois · implied b. ~1844 — 7 household members
| Surname | Bartlett |
| Given Name | Mary E. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 76 |
| Marital Status | Widowed |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Bartlett across 3 US Census years (1900, 1910 and 1920) in Cook, Illinois, using XGBoost record linkage.
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This person
Anchor record
Mary Bartlett
Head · 1920 · age 76 · b. ~1844 · Illinois
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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:1920:14thcensusofpopu351unit:0294)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Katherine | 45 | Wife | — | Germany |
| 52 | Helen | 12 | Daughter | — | Illinois |
| 53 | Ruth | 4 | Daughter | — | Illinois |
| 54 | Bertha | 25 | Daughter | — | Illinois |
| 55 | Frank Mcdonald | 56 | Head | Keeper | Wisconsin |
| 56 | Nora Mcdonald | 39 | Wife | — | Ireland |
| 57 | Katherine Mcdonald | 13 | Daughter | — | Illinois |
| 58 | Florence Mcdonald | 7 | Daughter | — | Illinois |
| 59 | Robert Mcdonald | 3 | Son | — | Illinois |
| 60 | Mrs. Griswold | 45 | Head | — | Illinois |
| 61 | Frank Griswold | 11 | Son | — | Illinois |
| 62 | Harold Griswold | 8 | Son | — | Illinois |
| 63 | Beth Griswold | 5 | Daughter | — | Illinois |
| 64 | George Albright | 33 | Boarder | Flagman | Illinois |
| 65 | George Mosher | 60 | Roomer | Manager | England |
| 66 | James Van Horn | 69 | Head | Pressman | Canada |
| 67 | Lydia Van Horn | 49 | Wife | — | Illinois |
| 68 | Chester Van Horn | 23 | Son | Driver | Illinois |
| 69 | Ned C. Chapman | 39 | Head | Foreman | Iowa |
| 70 | Leila Chapman | 35 | Wife | — | Kansas |
| 71 | Ruth S. Chapman | 15 | Daughter | — | Iowa |
| 72 | Margaret Chapman | 10 | Daughter | — | Illinois |
| 73 | Mary Chapman | 9 | Daughter | — | Illinois |
| 74 | Ned Jr. Chapman | 4 | Son | — | Illinois |
| 75 | Dorothy Chapman | 3 | Daughter | — | Illinois |
| 76 | Roberta Chapman | 0 | Daughter | — | Illinois |
| 77 | James White | 40 | Head | Baggageman | Illinois |
| 78 | May White | 33 | Wife | — | Illinois |
| 79 | Mary E. Bartlett THIS PERSON | 76 | Head | — | New York |
| 80 | Fred V. Bartlett | 55 | Son | Gateman | Illinois |
| 81 | William Gerhardt | 40 | Son in law | Machinist | Illinois |
| 82 | Bessie Gerhardt | 34 | Daughter | — | Illinois |
| 83 | Ivy Gerhardt | 10 | Gr-daughter | — | Michigan |
| 84 | Edward Gerhardt | 6 | Gr-son | — | Illinois |
| 85 | Florence Gerhardt | 0 | Gr-daughter | — | Illinois |
| 86 | Ingaborg Lorencen | 54 | Head | — | Germany |
| 87 | Christiana Lorencen | 19 | Daughter | — | Illinois |
| 88 | Andrew Lorencen | 21 | Son | Machinist | Illinois |
| 89 | Lorencen | 50 | Brother in law | Driver | Germany |
| 90 | Tony Krause | 39 | Head | Carpenter | Austria |
| 91 | Marie Krause | 31 | Wife | — | Austria |
| 92 | Joseph Krause | 11 | Son | — | Illinois |
| 93 | Stanley Krause | 9 | Son | — | Illinois |
| 94 | Thomas Krause | 6 | Son | — | Illinois |
| 95 | Helen Krause | 2 | Daughter | — | Illinois |
| 96 | John A. Hansen | 34 | Head | Conductor | Illinois |
| 97 | Hattie Hansen | 36 | Wife | — | Germany |
| 98 | Elizabeth Hansen | 11 | Daughter | — | Illinois |
| 99 | Mertle Hansen | 8 | Daughter | — | Illinois |
| 100 | Mildred Hansen | 2 | Daughter | — | 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)