MM
Mary Morton — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Arapahoe-County, Colorado
Our Model Tree links this Mary Morton across the 1930 and 1940 US Censuses in Arapahoe-County, Colorado (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Female
Daughter
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Arapahoe-County, Colorado |
| Surname | Morton |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Garden Home |
| 1935 Residence (County) | Arapahoe |
| Additional Details | |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Garden Home |
| Est. Birth Year | ~1926 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Richard Morton | Son | — | 10 | ~1930 |
| Everett Morton | Son | — | 9 | ~1931 |
| Ellis Morton | Head | — | 36 | ~1904 |
| William Morton | Son | — | 5 | ~1935 |
| Ellis Morton | Son | — | 13 | ~1927 |
| Helen Morton | Spouse | — | 32 | ~1908 |
| Mary Morton | Daughter | — | 14 | ~1926 |
| Delores Morton | Daughter | — | 3 | ~1937 |
| Donald Morton | Son | — | 7 | ~1933 |
Census Appearances
1930
Arapahoe, Colorado
Daughter, age 4
Arapahoe, Colorado · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morton |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Maine |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Arapahoe-County, Colorado
Daughter, age 14
Arapahoe-County, Colorado · implied b. ~1926 — 9 household members
| Surname | Morton |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Garden Home |
| 1935 Residence (County) | Arapahoe |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Mary Morton across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Morton
Daughter · 1940 · age 14 · b. ~1926 · Colorado
★ You are viewing this record
Sibling
Delores Morton
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Morton
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Morton
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellis Morton
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Morton
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Everett Morton
Sibling · 1940 · age 9
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 — Arapahoe-County, Colorado
Open full size
1940 US Federal Census — Arapahoe-County, Colorado
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00455-00393)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Oma Musser | 35 | Wife | — | Missouri |
| 2 | Bernie Watson | 56 | Head | Carpenter | Mississippi |
| 3 | Ireda Watson | 43 | Wife | — | Mississippi |
| 4 | Dale Watson | 20 | Son | Sheet Metal Worker | Mississippi |
| 5 | George Watson | 15 | Son | — | Mississippi |
| 6 | Gilda Watson | 13 | Daughter | — | Colorado |
| 7 | Ward Watson | 8 | Son | — | Colorado |
| 8 | John Cronkey | 29 | Head | Layout Work | Colorado |
| 9 | Lorraine Cronkey | 19 | Wife | — | Montana |
| 10 | Patricia Cronkey | 1 | Daughter | — | Colorado |
| 11 | Paul Gilney | 25 | Head | Salesman | Arkansas |
| 12 | Margaret Gilney | 22 | Wife | — | Kansas |
| 13 | Gary Gilney | 1 | Son | — | Colorado |
| 14 | Sylvester Wilson | 26 | Head | Machinist | Colorado |
| 15 | Luella Wilson | 25 | Wife | — | No. Dakota |
| 16 | Clyde A. Kelly | 31 | Head | Railway Clerk | Louisiana |
| 17 | Grace W. Kelly | 29 | Wife | — | Kansas |
| 18 | Keith E. Kelly | 7 | Son | — | Colorado |
| 19 | Barbara J. Kelly | 2 | Daughter | — | Colorado |
| 20 | Charline A. Kelly | 0 | Daughter | — | Colorado |
| 21 | Charles Leffler | 42 | Head | Road Work | Nebraska |
| 22 | Anice Leffler | 30 | Wife | — | Kansas |
| 23 | Norma J. Leffler | 12 | Daughter | — | Colorado |
| 24 | Alvin Leffler | 2 | Son | — | Colorado |
| 26 | Fred Prothers | 39 | Head | Lather | Kansas |
| 27 | Pearl Prothers | 35 | Wife | — | Kansas |
| 28 | Freddy Prothers | 14 | Son | — | Kansas |
| 29 | James Prothers | 12 | Son | — | Kansas |
| 30 | Edger Prothers | 4 | Son | — | Kansas |
| 31 | Jerry Prothers | 1 | Son | — | Kansas |
| 32 | Ellis Morton | 36 | Head | Shipping Clerk | Maine |
| 33 | Helen Morton | 32 | Wife | — | Maine |
| 34 | Mary Morton THIS PERSON | 14 | Daughter | — | Colorado |
| 35 | Ellis Jr. Morton | 13 | Son | — | Colorado |
| 36 | Richard Morton | 10 | Son | — | Colorado |
| 37 | Everett Morton | 9 | Son | — | Colorado |
| 38 | Donald Morton | 7 | Son | — | Colorado |
| 39 | William Morton | 5 | Son | — | Colorado |
| 40 | Delores Morton | 3 | Daughter | — | Colorado |
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)