EC
Emma Cooper — 1920 US Census Record
Linked across censuses1920 United States Federal Census · San Juan, Colorado
Our Model Tree links this Emma Cooper across the 1920, 1930 and 1940 US Censuses in San Juan, Colorado (XGBoost, ~Confirmed) — first a spouse (b.~1878), then head of a 18-person household.
Age 42
b. ~1878
Female
Spouse
Born: New Mexico
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | San Juan, Colorado |
| Surname | Cooper |
| Given Name | Emma G. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | New Mexico |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
| Township / Ward | Town Of Silverton |
| 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.
18 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Emma | Age | Birth yr |
|---|---|---|---|---|
| William Aikomucki | Other | — | 33 | ~1887 |
| Lazarus Wolf | Other | — | 29 | ~1891 |
| Elton Mcsimkin | Other | — | 51 | ~1869 |
| Isaac Mcneer | Other | — | 19 | ~1901 |
| Emma Cooper | Spouse | — | 42 | ~1878 |
| A Chas | Other | — | 69 | ~1851 |
| Belle Tinker | Other | — | 24 | ~1896 |
| James Carroll | Other | — | 62 | ~1858 |
| Agnes Beckman | Other | — | 17 | ~1903 |
| Sarah Chas | Other | — | 87 | ~1833 |
| Edith Wolf | Other | — | 30 | ~1890 |
| Frank Daniells | Other | — | 24 | ~1896 |
| Rachel Ferguson | Other | — | 66 | ~1854 |
| Ray Rooper | Head | — | 44 | ~1876 |
| John Newman | Other | — | 58 | ~1862 |
| Luther Beckman | Other | — | 23 | ~1897 |
| Lloyd Cooper | Son | — | 24 | ~1896 |
| Lucien Norton | Other | — | 53 | ~1867 |
Census Appearances
1920
San Juan, …
Spouse, age 42
San Juan, Colorado · implied b. ~1878 — 18 household members
| Surname | Cooper |
| Given Name | Emma G. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | New Mexico |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
1930
San Juan, …
Other, age 52
San Juan, Colorado · implied b. ~1878 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Edna L. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | New Mexico |
| Age at First Marriage | 16 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Tennessee |
| Can Read/Write | Yes |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
1940
San-Juan-County, Colorado
Spouse, age 62
San-Juan-County, Colorado · implied b. ~1878 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Ema L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | New Mexico |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Weld |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 1935 Residence | Colorado |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
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 Emma Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Emma Cooper
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 — San Juan, Colorado
Open full size
1920 US Federal Census — San Juan, Colorado
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu171unit:0525)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ray H. Rooper | 44 | Head | Proprietor | Michigan |
| 52 | Isaac B. Mcneer | 19 | Lodger | Miner | West Virginia |
| 53 | Edith E. Wolf | 30 | Lodger | — | Colorado |
| 54 | Lazarus J. Wolf | 29 | Lodger | Machinist (Master) | Colorado |
| 55 | Luther L. Beckman | 23 | Lodger | Dishwasher | Sweden |
| 56 | Agnes N. Beckman | 17 | Lodger | Waitress | Sweden |
| 57 | John F. Newman | 58 | Lodger | Clerk | New York |
| 58 | Emma G. Cooper THIS PERSON | 42 | Wife | — | New Mexico |
| 59 | Lloyd E. Cooper | 24 | Son | Engineer | Colorado |
| 60 | A. Chas | 69 | Lodger | Agent | New York |
| 61 | Sarah L. Chas | 87 | Mother | — | Michigan |
| 62 | Belle Tinker | 24 | Servant | Maid | New Mexico |
| 63 | William Aikomucki | 33 | Lodger | Cook | Finland |
| 64 | Lucien H. Norton | 53 | Lodger | Chemist | Connecticut |
| 65 | Rachel E. Ferguson | 66 | Mother-in-law | — | Kentucky |
| 66 | Elton Mcsimkin | 51 | Lodger | Dr. Ranch | Illinois |
| 67 | Frank L. Daniells | 24 | Lodger | Doctor | Montana |
| 68 | James J. Carroll | 62 | Lodger | Assayer | Virginia |
| 69 | Joe Fisher | 72 | Head | Tailor | Germany |
| 70 | Ben J. Boyd | 58 | Head | Carpenter | Pennsylvania |
| 71 | Annie G. Boyd | 46 | Wife | — | Sweden |
| 72 | George H. Boyd | 16 | Son | — | Colorado |
| 73 | Robert Vanborken | 15 | Step son | — | Colorado |
| 74 | Verna B. Boyd | 8 | Daughter | — | Colorado |
| 75 | Helden O. Phillips | 35 | Head | Teamster | Colorado |
| 76 | Laura V. Phillips | 26 | Wife | — | Colorado |
| 77 | Lawrence O. Phillips | 2 | Son | — | Colorado |
| 78 | William Schotz | 54 | Head | Agent | Germany |
| 79 | Mary A. Schotz | 50 | Wife | — | Germany |
| 80 | William E. Schotz | 22 | Son | — | Colorado |
| 81 | James H. Sleep | 32 | Head | Driver | Colorado |
| 82 | Sarah J. Sleep | 61 | Mother | — | England |
| 83 | Hazel Sleep | 22 | Sister | — | Colorado |
| 84 | Bertha Sleep | 17 | Sister | — | Colorado |
| 85 | Donna L. Weis | 45 | Head | Dressmaker | Iowa |
| 86 | Robert Pearson | 59 | Head | Merchant | England |
| 87 | Sophie Pearson | 48 | Wife | — | England |
| 88 | Walker L. Harnisch | 31 | Head | Salesman | Germany |
| 89 | Helen G. Harnisch | 27 | Wife | — | Maryland |
| 90 | Walker L. Jr. Harnisch | 4 | Son | — | Michigan |
| 91 | Robert Allen Harnisch | 3 | Son | — | Michigan |
| 92 | Marjorie A. Harnisch | 1 | Daughter | — | Colorado |
| 93 | James Gilling | 67 | Head | Miner | Pennsylvania |
| 94 | John L. Donahue | 53 | Head | Cook | New Jersey |
| 95 | Arnold D. Garsan | 58 | Head | Miner | Iowa |
| 96 | Henry Sherman | 60 | Head | Agent | Wisconsin |
| 97 | Herbert G. Cameron | 35 | Head | Bookkeeper | Australia |
| 98 | Helen Cameron | 33 | Wife | — | Colorado |
| 99 | Roy J. Cameron | 15 | Son | — | Colorado |
| 100 | Mary Cameron | 14 | Daughter | — | Colorado |
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)