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John Mcnamara — 1920 US Census Record
Model Tree available1920 United States Federal Census · Deer Lodge, Montana
Our Model Tree links this John Mcnamara across the 1900, 1910 and 1920 US Censuses in Deer Lodge, Montana (XGBoost, ~Confirmed), with identified parents Patrick & Katie — first a son (b.~1900), then head of a 4-person household.
Age 20
b. ~1900
Male
Son
Born: Montana
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Deer Lodge, Montana |
| Surname | McNamara |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Laborer |
| Industry | Smelter |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Occupation | Laborer |
| Township / Ward | Anaconda City |
| Est. Birth Year | ~1900 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Patrick Mcnamara | Head | — | 55 | ~1865 |
| Walter Mcnamara | Son | — | 23 | ~1897 |
| John Mcnamara | Son | — | 20 | ~1900 |
| Catherine Mcnamara | Spouse | — | 48 | ~1872 |
Census Appearances
1900
Deer Lodge, …
Son, age 1
Deer Lodge, Montana · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNamara |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Montana |
| Birth Month | July |
| Birth Year | 1899 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1910
Deer Lodge, …
Son, age 11
Deer Lodge, Montana · implied b. ~1899 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNamara |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1920
Deer Lodge, …
Son, age 20
Deer Lodge, Montana · implied b. ~1900 — 4 household members
| Surname | McNamara |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Smelter |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
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 John Mcnamara across 3 US Census years (1900, 1910 and 1920) in Deer Lodge, Montana, using XGBoost record linkage. Identified parents: father Patrick Mcnamara (~0.92 confidence) and mother Katie Mcnamara (~0.92 confidence) and mother Catherine Mcnamara (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Patrick Mcnamara
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Katie Mcnamara
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Catherine Mcnamara
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mcnamara
Son · 1920 · age 20 · b. ~1900 · Montana
★ You are viewing this record
Sibling
Walter Mcnamara
Sibling · 1920 · age 23
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 — Deer Lodge, Montana
Open full size
1920 US Federal Census — Deer Lodge, Montana
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu969unit:0932)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Vinko Barac | 38 | Lodger | Laborer | Croatia |
| 2 | Matthew Skocic | 26 | Lodger | Cook | Croatia |
| 3 | Matthew Cispinic | 34 | Lodger | Laborer | Croatia |
| 4 | Joseph Kilogich | 50 | Lodger | Laborer | Croatia |
| 5 | Franjo Brosovich | 48 | Lodger | Laborer | Croatia |
| 6 | Anton Sudin | 48 | Lodger | Laborer | Croatia |
| 7 | Joseph Blazevich | 27 | Lodger | Laborer | Croatia |
| 8 | Joseph Softich | 53 | Lodger | Laborer | Croatia |
| 9 | Franjo Softich | 27 | Lodger | Laborer | Croatia |
| 10 | Vinko Brosovich | 47 | Lodger | Laborer | Croatia |
| 11 | Rope Sondich | 29 | Lodger | Laborer | Croatia |
| 12 | Joseph Visnic | 44 | Lodger | Laborer | Istria |
| 13 | Peter Spoxa | 45 | Lodger | Laborer | Croatia |
| 14 | Joseph Morich | 40 | Lodger | Laborer | Croatia |
| 15 | Frank Varonia | 36 | Lodger | Laborer | Croatia |
| 16 | Margaret Healy | 52 | Head | — | Wisconsin |
| 17 | Loretta Healy | 22 | Wife | — | Montana |
| 18 | John Coco | 27 | Lodger | Laborer | Italy |
| 19 | Edward Mayer | 29 | Head | Electrician | Michigan |
| 20 | Mary Mayer | 25 | Wife | — | Montana |
| 21 | William Mayer | 4 | Son | — | Montana |
| 22 | John Mayer | 2 | Son | — | Montana |
| 23 | Bridget Mcquade | 44 | Head | — | Ireland |
| 24 | Rose Mcquade | 21 | Daughter | — | Montana |
| 25 | Anna Mcquade | 20 | Daughter | — | Montana |
| 26 | Nora Mcquade | 15 | Daughter | — | Montana |
| 27 | Andrew Kapel | 40 | Head | Laborer | Slovenia |
| 28 | Annie Kapel | 27 | Wife | — | Slovakia |
| 29 | Frank Kapel | 6 | Son | — | Montana |
| 30 | Anna Kapel | 1 | Daughter | — | Montana |
| 31 | Thomas Kovacich | 29 | Head | Laborer | Austria |
| 32 | Catherine Kovacich | 19 | Wife | — | Montana |
| 33 | Mary Kovacich | 0 | Daughter | — | Montana |
| 34 | Louis Bishowski | 50 | Head | Laborer | Austria |
| 35 | Helen Bishowski | 43 | Wife | — | Austria |
| 36 | Michael Bishowski | 20 | Son | Laborer | Montana |
| 37 | John Bishowski | 18 | Son | — | Montana |
| 38 | George Belin | 28 | Head | Core Maker | Pennsylvania |
| 39 | Martha Belin | 28 | Wife | — | Pennsylvania |
| 40 | Tony Shutty | 59 | Head | Watchman | Croatia |
| 41 | Annie Shutty | 22 | Daughter | — | Montana |
| 42 | Mary Shutty | 18 | Daughter | — | Montana |
| 43 | John Reed | 43 | Head | Laborer | England |
| 44 | Florence Reed | 25 | Wife | — | Montana |
| 45 | John Reed | 2 | Son | — | Montana |
| 46 | Robert Reed | 0 | Son | — | Montana |
| 47 | Patrick Mcnamara | 55 | Head | Watchman | Ireland |
| 48 | Catherine Mcnamara | 48 | Wife | — | Ireland |
| 49 | Walter Mcnamara | 23 | Son | Laborer | Montana |
| 50 | John Mcnamara THIS PERSON | 20 | Son | Laborer | Montana |
Pedigree Summary
John + 1 sibling
Gen 1 · 3 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)