TM
Thomas Mcnamara — 1920 US Census Record
Linked across censuses1920 United States Federal Census · None, None
Our Model Tree links this Thomas Mcnamara across the 1910 and 1920 US Censuses (XGBoost, ~Confirmed) — first a son (b.~1889), then head of a 9-person household.
Age 31
b. ~1889
Male
Son
Born: No Dakota
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | None, None |
| Surname | McNamara |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | No Dakota |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birthplace (normalized) | no dakota |
| Occupation | Farm Laborer |
| Township / Ward | Township Of St Joseph |
| Est. Birth Year | ~1889 |
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.
9 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Ernest Mcnamara | Son | — | 26 | ~1894 |
| Timothy Mcnamara | Head | — | 57 | ~1863 |
| Thomas Mcnamara | Son | — | 31 | ~1889 |
| Emily Mcnamara | Spouse | — | 60 | ~1860 |
| Lillie Mcnamara | Daughter | — | 20 | ~1900 |
| Margaret Mcnamara | Daughter | — | 15 | ~1905 |
| Gertie Mcnamara | Daughter | — | 20 | ~1900 |
| Millicent Mcnamara | Daughter | — | 23 | ~1897 |
| Antoinette Mcnamara | Daughter | — | 11 | ~1909 |
Census Appearances
1910
None, None
Son, age 22
None, None · implied b. ~1888 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNamara |
| Given Name | Thomas S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | No Dakota |
| Naturalization Status | Naturalized |
| Father's Birthplace | Canada |
| Mother's Birthplace | Germany |
| Occupation | Laborer |
| Industry | Home Farm |
| Birthplace (normalized) | no dakota |
1920
None, None
Son, age 31
None, None · implied b. ~1889 — 9 household members
| Surname | McNamara |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | No Dakota |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Occupation | Farm Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birthplace (normalized) | no dakota |
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 Thomas Mcnamara across 2 US Census years (1910 and 1920) in None, None, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Mcnamara
Son · 1920 · age 31 · b. ~1889 · None
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Sibling
Gertie Mcnamara
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Antoinette Mcnamara
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Millicent Mcnamara
Sibling · 1920 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mcnamara
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillie Mcnamara
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Mcnamara
Sibling · 1920 · age 26
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 — None, None
Open full size
1920 US Federal Census — None, None
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1338unit:0186)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Irene Pichette | 4 | Daughter | — | No Dakota |
| 2 | Florence Pichette | 2 | Daughter | — | No Dakota |
| 3 | Gudrun Teressa Pichette | 47 | Maid | — | No Dakota |
| 4 | Geo Holmes | 43 | Head | Farmer | Canada |
| 5 | Isabella Holmes | 42 | Wife | — | Canada |
| 6 | Gertrude Holmes | 6 | Daughter | — | No Dakota |
| 7 | Herbert Holmes | 11 | Son | — | No Dakota |
| 8 | S. Arlaub | 68 | Head | Farmer | Germany |
| 9 | Clara Arlaub | 26 | Daughter | School Teacher | No Dakota |
| 10 | Bertha Arlaub | 24 | Daughter | Housekeeper | No Dakota |
| 11 | Leonard Arlaub | 19 | Son | — | No Dakota |
| 12 | James Arlaub | 17 | Son | — | No Dakota |
| 13 | Raymond Arlaub | 15 | Son | — | No Dakota |
| 14 | Aida Arlaub | 13 | Daughter | — | No Dakota |
| 15 | John Arlaub | 11 | Son | — | No Dakota |
| 16 | Edward Arlaub | 8 | Son | — | No Dakota |
| 17 | Ethel Arlaub | 6 | Daughter | — | No Dakota |
| 18 | George Karle | 36 | Head | Farmer | No Dakota |
| 19 | Clara Karle | 35 | Wife | — | No Dakota |
| 20 | Annie Karle | 4 | Daughter | — | No Dakota |
| 21 | John Karle | 2 | Son | — | No Dakota |
| 22 | Milton Karle | 1 | Son | — | No Dakota |
| 23 | James Doyle | 56 | Head | Farmer | Canada |
| 24 | Maggie Doyle | 35 | Wife | — | No Dakota |
| 25 | Isabella Doyle | 12 | Daughter | — | No Dakota |
| 26 | George Doyle | 10 | Son | — | No Dakota |
| 27 | Ralph Doyle | 7 | Son | — | No Dakota |
| 28 | Timothy Mcnamara | 57 | Head | Farmer | Canada |
| 29 | Emily Mcnamara | 60 | Wife | — | Canada |
| 30 | Thomas Mcnamara THIS PERSON | 31 | Son | Farm Laborer | No Dakota |
| 31 | Ernest Mcnamara | 26 | Son | Farm Laborer | No Dakota |
| 32 | Millicent Mcnamara | 23 | Daughter | Milliner | No Dakota |
| 33 | Gertie Mcnamara | 20 | Daughter | — | No Dakota |
| 34 | Lillie J. Mcnamara | 20 | Daughter | — | No Dakota |
| 35 | Margaret Mcnamara | 15 | Daughter | — | No Dakota |
| 36 | Antoinette Mcnamara | 11 | Daughter | — | No Dakota |
| 37 | Alex Martineau | 51 | Head | Farmer | Canada |
| 38 | Lorenzo Martineau | 25 | Nephew | Farm Laborer | No Dakota |
| 39 | Edward Martineau | 24 | Son | Farm Laborer | No Dakota |
| 40 | John Yeado | 55 | Head | Farmer | Canada |
| 41 | Mary Yeado | 82 | Mother | — | Canada |
| 42 | Theo. Jensen | 55 | Head | Farmer | Norway |
| 43 | Wilhelmina Jensen | 55 | Wife | — | Norway |
| 44 | Theo Jr. Jensen | 19 | Son | Farm Laborer | Minnesota |
| 45 | Nellie Jensen | 16 | Daughter | — | Minnesota |
| 46 | Henry Jensen | 16 | Son | — | No Dakota |
| 47 | Ernest Jensen | 13 | Son | — | No Dakota |
| 48 | Theo The 2Nd Jensen | 10 | Son | — | No Dakota |
| 49 | Ernest Vosper | 23 | Head | Farmer | No Dakota |
| 50 | Flora Vosper | 21 | Wife | — | No Dakota |
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)