EM
Elizabeth Mccarthy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this Elizabeth Mccarthy across the 1920, 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 3-person household.
Age 50
b. ~1890
Female
Head
Born: Pennsylvania
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | McCarthy |
| Given Name | Elizabeth |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Rock Island |
| 1935 Residence (County) | Rock Island |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Rock Island |
| Est. Birth Year | ~1890 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Elizabeth | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Mccarthy | Head | — | 50 | ~1890 |
| Peter Griffin | Other | — | 43 | ~1897 |
| Leslie Mccarthy | Son | — | 32 | ~1908 |
Census Appearances
1920
Rock Island, …
Spouse, age 30
Rock Island, Illinois · implied b. ~1890 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Elizabeth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Rock Island, …
Spouse, age 40
Rock Island, Illinois · implied b. ~1890 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Elizabeth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 18 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Rock-Island-County, Illinois
Head, age 50
Rock-Island-County, Illinois · implied b. ~1890 — 3 household members
| Surname | McCarthy |
| Given Name | Elizabeth |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Rock Island |
| 1935 Residence (County) | Rock Island |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Elizabeth Mccarthy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Elizabeth Mccarthy
Head · 1940 · age 50 · b. ~1890 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Rock-Island-County, Illinois
Open full size
1940 US Federal Census — Rock-Island-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00876-00361)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Patricia Ann Nold | 10 | Daughter | — | Illinois |
| 42 | Beatrice Piatt | 29 | Sister in law | House Keeper | Oklahoma |
| 43 | Moses J. Valiquette | 64 | Head | Proprietor | Michigan |
| 44 | Clara E. Valiquette | 55 | Wife | Sales Clerk | Illinois |
| 45 | Joseph S. Blocklinger | 61 | Head | Packer | Illinois |
| 46 | Emma R. Blocklinger | 61 | Wife | — | Illinois |
| 47 | Harry Blocklinger | 43 | Head | Custodian | Illinois |
| 48 | Lillian R. Blocklinger | 39 | Wife | — | Illinois |
| 49 | Elizabeth Blocklinger | 18 | Daughter | — | Illinois |
| 50 | Bernice Blocklinger | 14 | Daughter | — | Illinois |
| 51 | James Blocklinger | 6 | Son | — | Illinois |
| 52 | Joseph A. Blocklinger | 86 | Head | — | Iowa |
| 53 | Margaret Blocklinger | 82 | Wife | — | Germany |
| 54 | Everett Robinson | 57 | Head | Thresher | Illinois |
| 55 | Evelyn Robinson | 56 | Wife | — | Illinois |
| 56 | John Allen | 40 | Head | Draftsman | Minnesota |
| 57 | Alma E. Allen | 40 | Wife | — | Kentucky |
| 58 | Richard Allen | 16 | Son | — | Minnesota |
| 59 | Michael Allen | 14 | Son | — | Minnesota |
| 60 | Norman Allen | 5 | Son | — | Minnesota |
| 61 | Marjorie Simons | 16 | Daughter | — | Minnesota |
| 62 | William Parker | 48 | Head | Substitute Clerk | Illinois |
| 63 | Minnie R. Parker | 45 | Wife | — | Illinois |
| 64 | Dorothy Ann Parker | 20 | Daughter | Address Clerk | Illinois |
| 65 | Eleanor Jean Parker | 17 | Daughter | — | Illinois |
| 66 | Marilyn Joyce Parker | 13 | Daughter | — | Illinois |
| 67 | Anton R. Siebert | 64 | Head | — | Illinois |
| 68 | Lena Siebert | 65 | Wife | — | Iowa |
| 69 | Helen Siebert | 34 | Daughter | Machine Operator | Illinois |
| 70 | Mary Siebert | 26 | Daughter | Machine Operator | Illinois |
| 71 | Leo Siebert | 20 | Son | Apprentice Machinist | Illinois |
| 72 | Elizabeth Mccarthy THIS PERSON | 50 | Head | — | Pennsylvania |
| 73 | Leslie Mccarthy | 32 | Son | House Painter | Illinois |
| 74 | Peter Griffin | 43 | Brother | Iron Molder | Pennsylvania |
| 75 | Ernest Richtman | 49 | Head | Proprietor | Illinois |
| 76 | Frances O. Richtman | 38 | Wife | — | Iowa |
| 77 | Kenneth Richtman | 14 | Son | — | Illinois |
| 78 | Virginia Richtman | 13 | Daughter | — | Illinois |
| 79 | William Richtman | 79 | Father | — | Germany |
| 80 | John H. Shanty | 49 | Head | Teacher | Pennsylvania |
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)