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Mary Mccarthy — 1920 US Census Record
Model Tree available1920 United States Federal Census · Larimer, Colorado
Our Model Tree links this Mary Mccarthy across the 1900, 1910, 1920 and 1930 US Censuses in Larimer, Colorado (XGBoost, ~Confirmed), with identified parents John & Jas — first a daughter (b.~1897), then head of a 4-person household.
Age 23
b. ~1897
Female
Daughter
Born: Colorado
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Larimer, Colorado |
| Surname | McCarthy |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Teacher |
| Township / Ward | Fort Collins City |
| 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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mccarthy | Daughter | — | 23 | ~1897 |
| Agnes Mccarthy | Daughter | — | 18 | ~1902 |
| John Mccarthy | Head | — | 54 | ~1866 |
| Anna Mccarthy | Spouse | — | 54 | ~1866 |
Census Appearances
1900
Larimer, Colorado
Daughter, age 4
Larimer, Colorado · implied b. ~1896 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarty |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Colorado |
| Birth Month | Mar |
| Birth Year | 1896 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Indiana |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1910
Larimer, Colorado
Daughter, age 14
Larimer, Colorado · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Mary H |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1920
Larimer, Colorado
Daughter, age 23
Larimer, Colorado · implied b. ~1897 — 4 household members
| Surname | McCarthy |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Germany |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
Daughter, age 34
Larimer, Colorado · implied b. ~1896 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarty |
| Given Name | Mary H |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Germany |
| Occupation | Teacher |
| Industry | City School |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Mccarthy across 4 US Census years (1900, 1910, 1920 and 1930) in Larimer, Colorado, using XGBoost record linkage. Identified parents: father John Mccarthy (~0.92 confidence) and father Jas Mccarty (~0.92 confidence) and mother Lena Mccarty (~0.92 confidence) and mother Elsa Mccarthy (~0.92 confidence) and father John Mccarty (~0.92 confidence) and mother Lena Mccarty (~0.92 confidence) and father John Mccarthy (~0.92 confidence) and mother Anna Mccarthy (~0.92 confidence). The pedigree spans 1 generation with 8 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Mccarthy
b. ~1835
Source father
● Household
· direct · ~0.92
Father
Jas Mccarty
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Lena Mccarty
b. ~1864
Source mother
● Household
· direct · ~0.92
Mother
Elsa Mccarthy
b. ~1864
Source mother
● Household
· direct · ~0.92
Father
John Mccarty
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Lena Mccarty
b. ~1865
Source mother
● Household
· direct · ~0.92
Father
John Mccarthy
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Anna Mccarthy
b. ~1866
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Mccarthy
Daughter · 1920 · age 23 · b. ~1897 · Colorado
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Sibling
Agnes Mccarthy
Sibling · 1920 · age 18
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 — Larimer, Colorado
Open full size
1920 US Federal Census — Larimer, Colorado
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu166unit:0205)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Lucile A Depew | 25 | Daughter | Stenographer | Arkansas |
| 52 | Paul W Depew | 16 | Son | Apprentice | Colorado |
| 53 | Annetta Depew | 14 | Daughter | — | Colorado |
| 54 | James M Depew | 41 | Head | Agent | Tennessee |
| 55 | Emma Depew | 46 | Wife | — | Iowa |
| 56 | Velma Depew | 16 | Daughter | — | Iowa |
| 57 | Crystal Depew | 4 | Daughter | — | Iowa |
| 58 | Lois M Braton | 87 | Mother | — | Tennessee |
| 59 | Elizabeth Justus | 65 | Head | — | Missouri |
| 60 | Mildred Justus | 30 | Daughter | Bookkeeper | Kansas |
| 61 | John S Justus | 28 | Son | Laborer | Kansas |
| 62 | Callie J Justus | 20 | Daughter | Milliner | Colorado |
| 63 | Walter H Justus | 27 | Son | Conductor | Missouri |
| 64 | Leona Justus | 12 | Granddaughter | — | Colorado |
| 65 | Merle Justus | 11 | Grandson | — | Washington |
| 66 | Byron Justus | 7 | Grandson | — | Washington |
| 67 | John Mccarthy | 54 | Head | Assistant | Ireland |
| 68 | Anna Mccarthy | 54 | Wife | — | Germany |
| 69 | Mary Mccarthy THIS PERSON | 23 | Daughter | Teacher | Colorado |
| 70 | Agnes Mccarthy | 18 | Daughter | — | Colorado |
| 71 | John A Falk | 44 | Head | Road Master | Sweden |
| 72 | Amanda Falk | 35 | Wife | — | Rhode Island |
| 73 | Helen Falk | 13 | Daughter | — | Colorado |
| 74 | Edward Falk | 11 | Son | — | Colorado |
| 75 | Florence Falk | 6 | Daughter | — | Colorado |
| 76 | Lillian Falk | 3 | Daughter | — | Colorado |
| 77 | Eugene Calkins | 30 | Head | Rounder | Nebraska |
| 78 | Gilbert Calkins | 33 | Brother | Laborer | Nebraska |
| 79 | Edna Calkins | 27 | Sister-in-law | — | Illinois |
| 80 | Donald Calkins | 7 | Nephew | — | Colorado |
| 81 | Lowell Calkins | 5 | Nephew | — | Colorado |
| 82 | Casper Zimmerman | 50 | Head | Stockman | Switzerland |
| 83 | Helen Zimmerman | 34 | Wife | — | Illinois |
| 84 | Herbert Zimmerman | 13 | Son | — | Colorado |
| 85 | Carol Zimmerman | 11 | Daughter | — | Colorado |
| 86 | Robert Zimmerman | 8 | Son | — | Colorado |
| 87 | Richard Zimmerman | 6 | Son | — | Colorado |
| 88 | Sarah Doolittle | 81 | Head | — | New York |
| 89 | Arthur E Doolittle | 52 | Son | Salesman | Kansas |
| 90 | Minnie Doolittle | 42 | Daughter | — | Kansas |
| 91 | Elizabeth Tomlin | 65 | Head | — | Illinois |
| 92 | Gertrude Evans | 40 | Head | Salesman | Indiana |
| 93 | Hugh Evans | 20 | Son | — | Indiana |
| 94 | Laura Evans | 17 | Daughter | — | Indiana |
| 95 | Frank E Waller | 36 | Head | Proprietor | Iowa |
| 96 | Mary Waller | 41 | Wife | — | New York |
| 97 | James R Perry | 59 | Head | — | Missouri |
| 98 | Clara Perry | 56 | Wife | — | Missouri |
| 99 | Jefferson Borton | 52 | Head | Manager | Indiana |
| 100 | Lorena Borton | 57 | Wife | — | Illinois |
Related Census Records
Pedigree Summary
Mary + 1 sibling
Gen 1 · 8 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)