MC
Mary Callahan — 1920 US Census Record
Model Tree available1920 United States Federal Census · Cuyahoga, Ohio
Our Model Tree links this Mary Callahan across the 1900, 1910 and 1920 US Censuses in Cuyahoga, Ohio (XGBoost, ~Confirmed), with identified parents William & Mary — first a daughter (b.~1894), then head of a 2-person household.
Age 26
b. ~1894
Female
Daughter
Born: Vermont
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cuyahoga, Ohio |
| Surname | Callahan |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Vermont |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Additional Details | |
| Occupation | Private Secretary |
| Industry | Law Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
| Occupation | Private Secretary |
| Township / Ward | Cleveland City |
| 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.
2 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Callahan | Daughter | — | 26 | ~1894 |
| Mary Callahan | Head | — | 55 | ~1865 |
Census Appearances
1900
Cuyahoga, Ohio
Daughter, age 8
Cuyahoga, Ohio · implied b. ~1892 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Callahan |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Vermont |
| Birth Month | Mar |
| Birth Year | 1892 |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Occupation | At school |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1910
Cuyahoga, Ohio
Daughter, age 18
Cuyahoga, Ohio · implied b. ~1892 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Callahan |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Vermont |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Occupation | Stenographer |
| Industry | Real Estate |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1920
Cuyahoga, Ohio
Daughter, age 26
Cuyahoga, Ohio · implied b. ~1894 — 2 household members
| Surname | Callahan |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Vermont |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Occupation | Private Secretary |
| Industry | Law Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
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 Callahan across 3 US Census years (1900, 1910 and 1920) in Cuyahoga, Ohio, using XGBoost record linkage. Identified parents: father William Callahan (~0.92 confidence) and mother Mary Callahan (~0.92 confidence) and mother Mary Callahan (~0.92 confidence) and mother Mary Callahan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Callahan
b. ~1860
Source father
● Household
· direct · ~0.92
Mother
Mary Callahan
b. ~1864
Source mother
● Household
· direct · ~0.92
Mother
Mary Callahan
b. ~1865
Source mother
● Household
· direct · ~0.92
Mother
Mary Callahan
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Callahan
Daughter · 1920 · age 26 · b. ~1894 · Ohio
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Cuyahoga, Ohio
Open full size
1920 US Federal Census — Cuyahoga, Ohio
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1366unit:1153)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Dillebar | 33 | Head | Saleslady | Pennsylvania |
| 2 | Ruth Dillebar | 11 | Daughter | — | Ohio |
| 3 | Alexander Heggie | 29 | Head | Insp Of Ord. | Pennsylvania |
| 4 | Mary A. Heggie | 24 | Wife | — | Ohio |
| 5 | Leonard Hill | 29 | Head | Manager | Virginia |
| 6 | Hazel Hill | 28 | Wife | — | Canada |
| 7 | Vernon Barlow | 41 | Head | Agent | New York |
| 8 | Lucile H. Barlow | 32 | Wife | — | New York |
| 9 | Gerald H. Barlow | 9 | Son | — | New York |
| 10 | Grace H. Houghton | 23 | Boarder | Cashier | West Virginia |
| 11 | John A. Mckeon | 45 | Head | Salesman | Michigan |
| 12 | Bertha E. Mckeon | 40 | Wife | — | Ohio |
| 13 | Ethel B. Nell | 29 | Head | — | Ohio |
| 14 | Zoa Smiley | 24 | Head | — | Indiana |
| 15 | Mary Callahan | 55 | Head | Baker | Vermont |
| 16 | Mary E. Callahan THIS PERSON | 26 | Daughter | Private Secretary | Vermont |
| 17 | Cristiana De Arango | 54 | Head | — | Pennsylvania |
| 18 | Claude De Arango | 29 | Son | Manager | Cuba |
| 19 | Edmond De Arango | 26 | Son | Salesman | Cuba |
| 20 | Roselia De Arango | 14 | Daughter | — | Ohio |
| 21 | George Miller | 28 | Head | Salesman | Ohio |
| 22 | Elinor F. Miller | 27 | Wife | — | Ohio |
| 23 | Meredith C. Miller | 5 | Son | — | Ohio |
| 24 | A. M. Fitch | 32 | Head | Auditor | Ohio |
| 25 | Mildred Fitch | 27 | Wife | — | Ohio |
| 26 | Marian Fitch | 8 | Daughter | — | Ohio |
| 27 | G. E. Folie | 45 | Head | Wholesale Dealer | New York |
| 28 | Mary E. Folie | 34 | Wife | — | Kentucky |
| 29 | G. B. Foster | 28 | Head | Salesman | Ohio |
| 30 | Gladys Foster | 27 | Wife | — | Ohio |
| 31 | James Graham | 52 | Head | Janitor | Scotland |
| 32 | Margaret Graham | 39 | Wife | Janitress | Ireland |
| 33 | William Graham | 18 | Son | Machinist | England |
| 34 | Charlotte Graham | 17 | Daughter | Laborer | England |
| 35 | Margaret Graham | 15 | Daughter | — | England |
| 36 | Abel S. Mankel | 32 | Head | Salesman | Russia |
| 37 | May Mankel | 32 | Wife | — | Massachusetts |
| 38 | Alice L. Mankel | 13 | Daughter | — | Ohio |
| 39 | Frederick J. Carney | 39 | Head | Draftsman | England |
| 40 | Pauline J. Carney | 28 | Wife | — | Ohio |
| 41 | Mary G. Carney | 5 | Daughter | — | Ohio |
| 42 | Albert W. Carney | 4 | Son | — | Ohio |
| 43 | Patrick Carney | 1 | Son | — | Ohio |
| 44 | S. T. Thine | 41 | Head | Collector | Ohio |
| 45 | Fanetta Thine | 41 | Wife | — | Ohio |
| 46 | Philip Hatch | 23 | Boarder | Salesman | Massachusetts |
| 47 | Marcellus De Vaughn | 67 | Head | Clerk | West Virginia |
| 48 | Sue De Vaughn | 63 | Wife | — | West Virginia |
| 49 | Estelle De Vaughn | 36 | Daughter | Clerk | West Virginia |
| 50 | John J. Dunsine | 56 | Head | Accountant | Ohio |
Pedigree Summary
Mary
Gen 1 · 4 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)