MD
Margaret Duffy — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Elbert, Colorado
Our Model Tree links this Margaret Duffy across the 1920, 1930 and 1940 US Censuses in Elbert, Colorado (XGBoost, ~Confirmed) — first a spouse (b.~1878), then head of a 4-person household.
Age 42
b. ~1878
Female
Spouse
Born: Minnesota
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Elbert, Colorado |
| Surname | DUFFY |
| Given Name | Margaret J |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Precinct 3 Kiowa Township 7 So Of 63 Rw |
| Est. Birth Year | ~1878 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Duffy | Spouse | — | 42 | ~1878 |
| Philip Duffy | Son | — | 3 | ~1917 |
| Donald Duffy | Son | — | 7 | ~1913 |
| Patrick Duffy | Head | — | 51 | ~1869 |
Census Appearances
1920
Elbert, Colorado
Spouse, age 42
Elbert, Colorado · implied b. ~1878 — 4 household members
| Surname | DUFFY |
| Given Name | Margaret J |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Elbert, Colorado
Spouse, age 51
Elbert, Colorado · implied b. ~1879 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duffey |
| Given Name | Maggie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 31 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Elbert-County, Colorado
Head, age 61
Elbert-County, Colorado · implied b. ~1879 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duffy |
| Given Name | Maggie S. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | Minnesota |
| 1935 Residence (City) | Precinct 3 |
| 1935 Residence (County) | Elbert |
| Class of Worker | 0 |
| Highest Grade | No 7 |
| 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 Margaret Duffy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Duffy
Spouse · 1920 · age 42 · b. ~1878 · Colorado
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Elbert, Colorado
Open full size
1920 US Federal Census — Elbert, Colorado
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu163unit:1037)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louis T Bostrom | 65 | Head | Farmer | Colorado |
| 2 | Sara M Bostrom | 64 | Mother | None | Sweden |
| 3 | Martha Bostrom | 64 | Mother | None | Sweden |
| 4 | Ruth L Bostrom | 20 | Sister | None | Colorado |
| 5 | Ole C Olesen | 31 | Head | Farmer | Nebraska |
| 6 | Thora Olesen | 22 | wife | None | Nebraska |
| 7 | Melvin L Olesen | 1 | Son | — | Colorado |
| 8 | Henry Laugenour | 67 | Head | Farmer | North Carolina |
| 9 | Rollie E Gowdy | 53 | Head | Farmer | Illinois |
| 10 | Ellsworth Roy A Gowdy | 38 | Hired man | Laborer | Oklahoma |
| 11 | Mary Gowdy | 33 | Housekeeper | Housekeeper | Indiana |
| 12 | Elmer Mourning | 36 | Head | Farmer | Kansas |
| 13 | Della G Mourning | 32 | wife | None | Arkansas |
| 14 | Sorenson Nelson Mourning | 16 | Hired man | Laborer | Colorado |
| 15 | Lorenzo H Watson | 60 | Head | Farmer | Illinois |
| 16 | Minnie G Watson | 57 | wife | None | Illinois |
| 17 | Archibald Glenn | 65 | Head | Farmer | Pennsylvania |
| 18 | Maggie R Glenn | 58 | wife | None | Pennsylvania |
| 19 | Kennedy Ethel Glenn | 26 | Niece | School Teacher | Pennsylvania |
| 20 | Henry Carlson | 53 | Head | Farmer | Sweden |
| 21 | Hedvig Carlson | 52 | wife | None | Sweden |
| 22 | Elma W Carlson | 18 | Daughter | None | Colorado |
| 23 | Betty Carlson | 16 | Daughter | None | Colorado |
| 24 | Hildur Carlson | 14 | Daughter | None | Colorado |
| 25 | Ethel Carlson | 12 | Daughter | None | Colorado |
| 26 | Mike Graff | 34 | Head | Farmer | Hungary |
| 27 | Barbara Graff | 30 | wife | None | Germany |
| 28 | George M Graff | 7 | Son | None | Colorado |
| 29 | Elmer M Graff | 6 | Son | None | Colorado |
| 30 | Lester W Graff | 4 | Son | — | Colorado |
| 31 | Elsie M Graff | 1 | Daughter | — | Colorado |
| 32 | Patrick Duffy | 51 | Head | Farmer | Ireland |
| 33 | Margaret J Duffy THIS PERSON | 42 | wife | None | Minnesota |
| 34 | Donald Duffy | 7 | Son | None | Colorado |
| 35 | Philip S Duffy | 3 | Son | — | Colorado |
| 36 | Will Deming | 28 | Head | Farmer | Ohio |
| 37 | David A Malin | 28 | Head | Farmer | Kansas |
| 38 | Fred A Albin | 42 | Head | Farmer | Iowa |
| 39 | Martha B Albin | 41 | wife | None | Iowa |
| 40 | Kihlmark Evald A Albin | 33 | Laborer | Laborer | Minnesota |
| 41 | Engel Louise Albin | 33 | Servant | Housekeeper | Colorado |
| 42 | Mohr Alfred Albin | 23 | Laborer | Laborer | Colorado |
| 43 | Fred Wilhelm | 33 | Head | Farmer | Kansas |
| 44 | Enid Wilhelm | 31 | wife | None | Nebraska |
| 45 | Ella G Wilhelm | 3 | Daughter | — | Colorado |
| 46 | Rinehart Matthews | 71 | Head | Farmer | Germany |
| 47 | James Rafferty | 36 | Head | Mining | Ireland |
| 48 | Catherine Rafferty | 36 | wife | None | Ireland |
| 49 | Joseph P Rafferty | 14 | Son | None | Colorado |
| 50 | Gully E Smith | 54 | Head | Farmer | West Virginia |
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)