WM
William Mccarty — 1920 US Census Record
Model Tree available1920 United States Federal Census · Olmsted, Minnesota
Our Model Tree links this William Mccarty across the 1920, 1930 and 1940 US Censuses in Olmsted, Minnesota (XGBoost, ~Confirmed), with identified parents William & Helen — first a son (b.~1911), then head of a 5-person household.
Age 9
b. ~1911
Male
Son
Born: Minnesota
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Olmsted, Minnesota |
| Surname | McCarty |
| Given Name | William C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Minnesota |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Rochester City |
| Est. Birth Year | ~1911 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Helen Mccarty | Spouse | — | 40 | ~1880 |
| William Mccarty | Son | — | 9 | ~1911 |
| William Mccarty | Head | — | 48 | ~1872 |
| Margaret Borton | Other | — | 26 | ~1894 |
| Collins Mccarty | Son | — | 4 | ~1916 |
Census Appearances
1920
Olmsted, Minnesota
Son, age 9
Olmsted, Minnesota · implied b. ~1911 — 5 household members
| Surname | McCarty |
| Given Name | William C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Olmsted, Minnesota
Son, age 19
Olmsted, Minnesota · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mac Carty |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Olmsted-County, Minnesota
Son, age 28
Olmsted-County, Minnesota · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | MacCarty |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Rochester |
| 1935 Residence (County) | Olmsted |
| Occupation | Fellow |
| Industry | Clinic |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 840 |
| Highest Grade | C 5 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 William Mccarty across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Mccarty (~0.92 confidence) and mother Helen Mac Carty (~0.92 confidence) and mother Helen Mccarty (~0.92 confidence) and mother Helen Maccarty (~0.92 confidence) and father William Mac Carty (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Mccarty
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Helen Mac Carty
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Helen Mccarty
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Helen Maccarty
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
William Mac Carty
b. ~1881
Source father
● Household
· direct · ~0.92
This person
Anchor record
William Mccarty
Son · 1920 · age 9 · b. ~1911 · Minnesota
★ You are viewing this record
Sibling
Collins Mccarty
Sibling · 1920 · age 4
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 — Olmsted, Minnesota
Open full size
1920 US Federal Census — Olmsted, Minnesota
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu847unit:0425)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alice Hoegsheimer | 9 | Daughter | None | South Dakota |
| 2 | Miriam Hoegsheimer | 3 | Daughter | None | South Dakota |
| 3 | Louise Hoegsheimer | 0 | Daughter | None | Minnesota |
| 4 | Karl O. Heedblom | 37 | Head | Surgeon | Iowa |
| 5 | Eleanor Heedblom | 32 | Wife | None | Colorado |
| 6 | Karl O. Jr. Heedblom | 5 | Son | None | Minnesota |
| 7 | George Heedblom | 4 | Son | None | Minnesota |
| 8 | Richard Heedblom | 1 | Son | None | Minnesota |
| 9 | Amanda Groth | 17 | Servant | Servant | Minnesota |
| 10 | John E. Crewe | 47 | Head | Physician | New Jersey |
| 11 | Mary E. Crewe | 45 | Wife | None | Minnesota |
| 12 | Dorothy S. Crewe | 20 | Daughter | None | Minnesota |
| 13 | John P. Crewe | 18 | Son | None | Minnesota |
| 14 | Charles H. Crewe | 12 | Son | None | Minnesota |
| 15 | Mary L. Crewe | 6 | Daughter | None | Minnesota |
| 16 | Mary L. Crewe | 74 | Mother | None | New Jersey |
| 17 | William Miller | 52 | Head | Gardener | Iowa |
| 18 | Susan Miller | 48 | Wife | Cook | Wisconsin |
| 19 | Edward Miller | 20 | Son | Laborer | Missouri |
| 20 | William J. Miller | 19 | Son | None | Missouri |
| 21 | Bert Miller | 13 | Son | None | Minnesota |
| 22 | Louella Miller | 9 | Daughter | None | Minnesota |
| 23 | Arthur Miller | 8 | Son | None | Minnesota |
| 24 | Susan Miller | 4 | Daughter | None | Minnesota |
| 25 | Nellie Marshall | 22 | Daughter | None | Minnesota |
| 26 | Pearl Marshall | 3 | Granddaughter | None | Minnesota |
| 27 | Lillian Marshall | 1 | Granddaughter | None | Minnesota |
| 28 | William C. Mccarty | 48 | Head | Physician | Kentucky |
| 29 | Helen M. Mccarty | 40 | Wife | None | Minnesota |
| 30 | William C. Mccarty THIS PERSON | 9 | Son | None | Minnesota |
| 31 | Collins S. Mccarty | 4 | Son | None | Minnesota |
| 32 | Margaret Borton | 26 | Servant | Servant | Wisconsin |
| 33 | Herbert Z. Giffin | 41 | Head | Physician | New Jersey |
| 34 | Mary E. Giffin | 38 | Wife | None | Pennsylvania |
| 35 | Manuel Giffin | 11 | Son | None | Minnesota |
| 36 | Herbert Z. Jr. Giffin | 3 | Son | None | Minnesota |
| 37 | Mary E. Giffin | 0 | Daughter | None | Minnesota |
| 38 | Ida Boyum | 21 | Servant | Servant | Minnesota |
| 39 | Henry G. Hodel | 33 | Head | Dentist | Minnesota |
| 40 | Stella Hodel | 32 | Wife | None | Minnesota |
| 41 | William La Plant | 61 | Father-in-law | Cashier | New Jersey |
| 42 | Ralph La Plant | 30 | Brother-in-law | Undertaker | Minnesota |
| 43 | William La Plant | 14 | Brother-in-law | None | Minnesota |
| 44 | Thomas Lawler | 49 | Head | None | Minnesota |
| 45 | Catherine Lawler | 45 | Wife | None | Minnesota |
| 46 | Ralph E. Lawler | 20 | Son | None | Minnesota |
| 47 | Elizabeth Lawler | 19 | Daughter | None | Minnesota |
| 48 | Catherine Lawler | 14 | Daughter | None | Minnesota |
| 49 | Mary G. Lawler | 10 | Daughter | None | Minnesota |
| 50 | Thomas Lawler | 8 | Son | None | Minnesota |
Pedigree Summary
William + 1 sibling
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)