NM
Nellie Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Weld-County, Colorado
Our Model Tree links this Nellie Martin across the 1910, 1920, 1930 and 1940 US Censuses in Weld-County, Colorado (XGBoost, ~Confirmed), with identified parents Bridget & Bridget — first a daughter (b.~1886), then head of a 5-person household.
Age 54
b. ~1886
Female
Daughter
Born: Nebraska
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Weld-County, Colorado |
| Surname | Martin |
| Given Name | Nellie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Single |
| Birthplace | Nebraska |
| 1935 Residence (City) | Greeley |
| 1935 Residence (County) | Weld |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | C-3 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Township / Ward | Greeley |
| Est. Birth Year | ~1886 |
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 1940 census.
| Name | Relation to head | Relative to Nellie | Age | Birth yr |
|---|---|---|---|---|
| Nellie Martin | Daughter | — | 54 | ~1886 |
| Alice Martin | Daughter | — | 38 | ~1902 |
| Anna Martin | Daughter | — | 45 | ~1895 |
| Maud Martin | Daughter | — | 50 | ~1890 |
| Bridget Martin | Head | — | 73 | ~1867 |
Census Appearances
1910
Weld, Colorado
Daughter, age 24
Weld, Colorado · implied b. ~1886 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Nellie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Iowa |
| Occupation | Teacher |
| Industry | Public School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1920
Weld, Colorado
Daughter, age 33
Weld, Colorado · implied b. ~1887 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Nellie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Iowa |
| Occupation | Teacher |
| Industry | Grade School |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1930
Weld, Colorado
Daughter, age 43
Weld, Colorado · implied b. ~1887 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Nellie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Weld-County, Colorado
Daughter, age 54
Weld-County, Colorado · implied b. ~1886 — 5 household members
| Surname | Martin |
| Given Name | Nellie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Single |
| Birthplace | Nebraska |
| 1935 Residence (City) | Greeley |
| 1935 Residence (County) | Weld |
| Income (1939) | 0 |
| Highest Grade | C-3 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 Nellie Martin across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Bridget Martin (~0.92 confidence) and mother Bridget Martin (~0.92 confidence) and father Daniel Martin (~0.92 confidence) and mother Bridget Martin (~0.92 confidence) and mother Bridget Martin (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Bridget Martin
b. ~1857
Source mother
● Household
· direct · ~0.92
Mother
Bridget Martin
b. ~1857
Source mother
● Household
· direct · ~0.92
Father
Daniel Martin
b. ~1857
Source father
● Household
· direct · ~0.92
Mother
Bridget Martin
b. ~1859
Source mother
● Household
· direct · ~0.92
Mother
Bridget Martin
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Nellie Martin
Daughter · 1940 · age 54 · b. ~1886 · Colorado
★ You are viewing this record
Sibling
Alice Martin
Sibling · 1940 · age 38
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maud Martin
Sibling · 1940 · age 50
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Martin
Sibling · 1940 · age 45
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
1940 US Federal Census — Weld-County, Colorado
Open full size
1940 US Federal Census — Weld-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00482-00910)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gust Hokenson | 52 | Head | Proprietor | Sweden |
| 42 | Nellie Hokenson | 33 | Wife | — | Missouri |
| 43 | Alfred Hokenson | 2 | Son | — | Colorado |
| 44 | Alfred Spears | 60 | Head | Travelling Salesman | Colorado |
| 45 | Blanche Spears | 58 | Wife | — | Pennsylvania |
| 46 | William F Sellers | 75 | Head | Proprietor | Illinois |
| 47 | Armanella Sellers | 65 | Wife | — | Iowa |
| 48 | William Keefer | 79 | Head | — | Indiana |
| 49 | Elizabeth Keefer | 74 | Wife | — | Wisconsin |
| 50 | George Jeffries | 51 | Head | Proprietor | Missouri |
| 51 | Ann Jeffries | 50 | Wife | — | Missouri |
| 52 | Bridget Martin | 73 | Head | — | Iowa |
| 53 | Nellie Martin THIS PERSON | 54 | Daughter | — | Nebraska |
| 54 | Maud Martin | 50 | Daughter | Teacher | So. Dakota |
| 55 | Anna Martin | 45 | Daughter | Teacher | Nebraska |
| 56 | Alice Martin | 38 | Daughter | Secretary | Iowa |
| 57 | David H Fuller | 49 | Head | Labour | Nebraska |
| 58 | Alice Fuller | 48 | Wife | — | Nebraska |
| 59 | Kenneth Fuller | 26 | Son | Clerk | Nebraska |
| 60 | Betty Fuller | 14 | Daughter | — | Colorado |
| 61 | Fay Koehler | 23 | Servant | Servant | Colorado |
| 62 | Peter Alvord | 58 | Head | Janitor | Greece |
| 63 | Amy L Alvord | 59 | Wife | — | Missouri |
| 64 | John B Mcmullen | 70 | Head | — | Nebraska |
| 65 | Edna Mcmullen | 65 | Wife | — | Nebraska |
| 66 | Charles B Taylor | 65 | Head | — | Kansas |
| 67 | Ora Taylor | 64 | Wife | — | Kansas |
| 68 | Ivan Taylor | 26 | Son | Labor | Kansas |
| 69 | Anna C Johnson | 69 | Head | — | Ohio |
| 70 | Clara B Johnson | 64 | Sister | — | Ohio |
| 71 | Edward W Johnson | 74 | Brother | — | Ohio |
| 72 | Lloyd Sines | 39 | Head | Proprietor | Nebraska |
| 73 | Marion Sines | 35 | Wife | Saleslady | Nebraska |
| 74 | Laurel Vanderhoof | 38 | Head | Manager | Kansas |
| 75 | Florence Vanderhoof | 30 | Wife | — | Colorado |
| 76 | Geraldyne Vanderhoof | 8 | Daughter | — | Colorado |
| 77 | Clark Vanderhoof | 6 | Son | — | Colorado |
| 78 | Spencer S Trent | 43 | Head | General Agent | Illinois |
| 79 | Bessie Trent | 41 | Wife | — | Illinois |
| 80 | Adeleen Trent | 18 | Daughter | — | Colorado |
Pedigree Summary
Nellie + 3 siblings
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 1940 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)