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Helen Kelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Pennsylvania
Our Model Tree links this Helen Kelly across the 1930 and 1940 US Censuses in Montgomery-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 11-person household.
Age 13
b. ~1927
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Pennsylvania |
| Surname | Kelly |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Upper Merion |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Upper Merion |
| Est. Birth Year | ~1927 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Kelly | Daughter | — | 13 | ~1927 |
| Mary Kelly | Daughter | — | 25 | ~1915 |
| Grace Kelly | Daughter | — | 17 | ~1923 |
| Edith Kelly | Daughter | — | 19 | ~1921 |
| Hazel Kelly | Daughter | — | 16 | ~1924 |
| Sarah Kelly | Daughter | — | 24 | ~1916 |
| Bridget Kelly | Head | — | 49 | ~1891 |
| James Kelly | Son | — | 23 | ~1917 |
| Gerald Kelly | Son | — | 12 | ~1928 |
| Philip Kelly | Son | — | 13 | ~1927 |
| William Kelly | Son | — | 21 | ~1919 |
Census Appearances
1930
Montgomery, Pennsylvania
Daughter, age 4
Montgomery, Pennsylvania · implied b. ~1926 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Northern Ireland |
| Can Read/Write | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Montgomery-County, Pennsylvania
Daughter, age 13
Montgomery-County, Pennsylvania · implied b. ~1927 — 11 household members
| Surname | Kelly |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Upper Merion |
| 1935 Residence (County) | Montgomery |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| 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 Helen Kelly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Kelly
Daughter · 1940 · age 13 · b. ~1927 · Pennsylvania
★ You are viewing this record
Sibling
Edith Kelly
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Kelly
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Kelly
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Kelly
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Kelly
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Kelly
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Kelly
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Philip Kelly
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Kelly
Sibling · 1940 · age 16
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 — Montgomery-County, Pennsylvania
Open full size
1940 US Federal Census — Montgomery-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03585-00389)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clara Dilks | 18 | dau-in-law | Looper | Pennsylvania |
| 42 | Helen Dilks | 14 | daughter | — | Pennsylvania |
| 43 | Joan Dilks | 12 | daughter | — | Pennsylvania |
| 44 | Doris Dilks | 8 | daughter | — | Pennsylvania |
| 45 | Barbara Dilks | 7 | daughter | — | Pennsylvania |
| 46 | George Bailey | 67 | head | Painter | Maryland |
| 47 | Meta R. Bailey | 60 | wife | — | Illinois |
| 48 | Pearl Grier | 34 | head | Laborer | Pennsylvania |
| 49 | Betty Grier | 32 | wife | — | Pennsylvania |
| 50 | Orville Cook | 40 | head | Welder | Pennsylvania |
| 51 | Sally Cook | 38 | wife | — | Pennsylvania |
| 52 | George Cook | 18 | son | Welder | Pennsylvania |
| 53 | Arthur Bealey | 37 | boarder | Boiler Maker | Pennsylvania |
| 54 | George Wilfing | 63 | head | Mechanic | Pennsylvania |
| 55 | Laura A. Wilfing | 55 | wife | — | Pennsylvania |
| 56 | George Jr. Wilfing | 21 | son | Tester | Pennsylvania |
| 57 | William Wilfing | 20 | son | Moulder | Pennsylvania |
| 58 | William Fisher | 20 | step-son | Handyman | Pennsylvania |
| 59 | Charles Fisher | 13 | son | — | Pennsylvania |
| 60 | Bridget Kelly | 49 | head | — | Ireland |
| 61 | Mary Kelly | 25 | daughter | Waitress | Pennsylvania |
| 62 | Sarah Kelly | 24 | daughter | Housework | Pennsylvania |
| 63 | James Kelly | 23 | son | Farmer | Pennsylvania |
| 64 | William Kelly | 21 | son | Farmer | Pennsylvania |
| 65 | Edith Kelly | 19 | daughter | Housekeeper | Pennsylvania |
| 66 | Grace Kelly | 17 | daughter | — | Pennsylvania |
| 67 | Hazel Kelly | 16 | daughter | — | Pennsylvania |
| 68 | Philip Kelly | 13 | son | — | Pennsylvania |
| 69 | Helen Kelly THIS PERSON | 13 | daughter | — | Pennsylvania |
| 70 | Gerald Kelly | 12 | son | — | Pennsylvania |
| 71 | May Wentworth | 44 | head | Cook | Pennsylvania |
| 72 | Thomas Wentworth | 18 | son | Messenger | Pennsylvania |
| 73 | Earle Wentworth | 16 | son | — | Pennsylvania |
| 74 | Watkins Snyder | 22 | son-in-law | Machinist | Pennsylvania |
| 75 | Elsie Snyder | 20 | daughter | — | Pennsylvania |
| 76 | Jerome S. Cook | 59 | head | Machinist | Pennsylvania |
| 77 | Margaret Cook | 59 | daughter | — | Pennsylvania |
| 78 | William Cook | 26 | son | Arc Welder | Pennsylvania |
| 79 | Allen Lukens | 11 | son | — | Pennsylvania |
| 80 | Dolores Lukens | 6 | daughter | — | 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)