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Mary Mccarthy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Mary Mccarthy across the 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Female
Daughter
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | McCarthy |
| Given Name | Mary Elaine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City & County |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Denver City County |
| Est. Birth Year | ~1925 |
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 |
|---|---|---|---|---|
| Julie Mccarthy | Daughter | — | 4 | ~1936 |
| Joan Mccarthy | Daughter | — | 2 | ~1938 |
| Mary Mccarthy | Daughter | — | 15 | ~1925 |
| J Mccarthy | Head | — | 38 | ~1902 |
| Thomas Mccarthy | Son | — | 10 | ~1930 |
| Patrick Mccarthy | Son | — | 6 | ~1934 |
| Robert Mccarthy | Son | — | 8 | ~1932 |
| Howard Mccarthy | Son | — | 13 | ~1927 |
| Helen Mccarthy | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Denver, Colorado
Daughter, age 4
Denver, Colorado · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Mary Elaine |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Daughter, age 15
Denver-County, Colorado · implied b. ~1925 — 9 household members
| Surname | McCarthy |
| Given Name | Mary Elaine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City & County |
| 1935 Residence (County) | Denver |
| Highest Grade | Hs 1 |
| 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 Mccarthy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mccarthy
Daughter · 1940 · age 15 · b. ~1925 · Colorado
★ You are viewing this record
Sibling
Julie Mccarthy
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Mccarthy
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Mccarthy
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mccarthy
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Mccarthy
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mccarthy
Sibling · 1940 · age 8
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 — Denver-County, Colorado
Open full size
1940 US Federal Census — Denver-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00487-00940)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clarence Burton | 22 | Lodger | Treasurer | Nebraska |
| 42 | Charles H Mellish | 68 | Head | Treasurer | Canada-English |
| 43 | Leanore G Mellish | 66 | Wife | — | Illinois |
| 44 | Robert Mellish | 23 | Son | — | Colorado |
| 45 | Joyce Mellish | 10 | Daughter | — | Colorado |
| 46 | Palla Goodenberger | 25 | Servant | House Maid | Colorado |
| 47 | Clark M Moore | 45 | Head | Doctor | Kansas |
| 48 | Verna E Moore | 37 | Wife | — | Virginia |
| 49 | Katherine E Moore | 5 | Daughter | — | Colorado |
| 50 | George M Anderson | 47 | Head | Salesman | Missouri |
| 51 | Madeline Anderson | 46 | Wife | — | New York |
| 52 | Marvin J Anderson | 20 | Son | — | Colorado |
| 53 | George P Anderson | 14 | Son | — | Colorado |
| 54 | Marilyn Anderson | 9 | Daughter | — | Colorado |
| 55 | J. Howard Mccarthy | 38 | Head | Sales Manager | Colorado |
| 56 | Helen Mccarthy | 38 | Wife | — | Colorado |
| 57 | Howard Jr Mccarthy | 13 | Son | — | Colorado |
| 58 | Mary Elaine Mccarthy THIS PERSON | 15 | Daughter | — | Colorado |
| 59 | Thomas K Mccarthy | 10 | Son | — | Colorado |
| 60 | Robert Mccarthy | 8 | Son | — | Colorado |
| 61 | Patrick M Mccarthy | 6 | Son | — | Colorado |
| 62 | Julie Ann Mccarthy | 4 | Daughter | — | Colorado |
| 63 | Joan Helen Mccarthy | 2 | Daughter | — | Colorado |
| 64 | Robert C Gish | 33 | Head | Engineer Mechanical | Illinois |
| 65 | Gertrude R Gish | 33 | Wife | — | Minnesota |
| 66 | Wayne R Gish | 1 | Son | — | Colorado |
| 67 | Herman H Sigle | 52 | Head | Blacksmith | Colorado |
| 68 | Mabel A Sigle | 46 | Wife | — | Colorado |
| 69 | Irene Sigle | 22 | Daughter | Secretary | Colorado |
| 70 | Mildred Sigle | 17 | Daughter | — | Colorado |
| 71 | Christina Andrews | 83 | Mother-in-law | — | Sweden |
| 72 | Arthur R Milano | 37 | Head | Foreman | Massachusetts |
| 73 | Mary F Milano | 36 | Wife | — | Texas |
| 74 | Mary Louise Milano | 9 | Daughter | — | Colorado |
| 75 | Clara Johnson | 34 | Sister-in-law | Cosmetician | Oklahoma |
| 76 | Arthur R Johnson | 4 | Arthur R | — | Colorado |
| 77 | William A Porter | 40 | Head | Electrical Engineer | Kentucky |
| 78 | Dorothy B Porter | 34 | Wife | — | Michigan |
| 79 | Mary K Porter | 12 | Daughter | — | Colorado |
| 80 | William A Jr Porter | 11 | Son | — | Colorado |
Related Census Records
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)