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John Clarke — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Montgomery, Pennsylvania
Our Model Tree links this John Clarke across the 1920 and 1930 US Censuses in Montgomery, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1914), then head of a 8-person household.
Age 16
b. ~1914
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Montgomery, Pennsylvania |
| Surname | Clarke |
| Given Name | John W Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Oreland Pa |
| Est. Birth Year | ~1914 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| George Clarke | Other | — | 48 | ~1882 |
| Catherine Clarke | Daughter | — | 14 | ~1916 |
| Owen Clarke | Son | — | 12 | ~1918 |
| Susan Hensath | Other | — | 80 | ~1850 |
| John Clarke | Head | — | 51 | ~1879 |
| Ernest Clarke | Son | — | 15 | ~1915 |
| John Clarke | Son | — | 16 | ~1914 |
| Susan Clarke | Spouse | — | 49 | ~1881 |
Census Appearances
1920
Montgomery, Pennsylvania
Son, age 6
Montgomery, Pennsylvania · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | John W Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Montgomery, Pennsylvania
Son, age 16
Montgomery, Pennsylvania · implied b. ~1914 — 8 household members
| Surname | Clarke |
| Given Name | John W Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 John Clarke across 2 US Census years (1920 and 1930) in Montgomery, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
John Clarke
Son · 1930 · age 16 · b. ~1914 · Pennsylvania
★ You are viewing this record
Sibling
Owen Clarke
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Clarke
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Clarke
Sibling · 1930 · age 15
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
1930 US Federal Census — Montgomery, Pennsylvania
Open full size
1930 US Federal Census — Montgomery, Pennsylvania
Page Contents
48 people indexed on this census page (ia:1930:fifteenthcensus00reel2085:0039)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ferdinand Leneweever | 38 | Head | Foreman | Pennsylvania |
| 2 | Alice M Leneweever | 37 | Wife | — | Pennsylvania |
| 3 | Alberta E Leneweever | 11 | Daughter | — | Pennsylvania |
| 4 | Harold E Leneweever | 9 | Son | — | Pennsylvania |
| 5 | Charles L Keeler | 38 | Head | Proprietor | District of Columbia |
| 6 | Helen E Keeler | 36 | Wife | — | Pennsylvania |
| 7 | Philip E Keeler | 13 | Son | — | Pennsylvania |
| 8 | Ralph E Irwin | 33 | Head | Electric Engineer | Pennsylvania |
| 9 | Ruth E Irwin | 26 | Wife | — | Pennsylvania |
| 10 | Marjorie R Irwin | 2 | Daughter | — | Pennsylvania |
| 11 | George H Schwartz | 36 | Head | Sales Manager | Pennsylvania |
| 12 | Anna C Schwartz | 35 | Wife | — | Pennsylvania |
| 13 | George W Schwartz | 8 | Son | — | Pennsylvania |
| 14 | John E Schwartz | 6 | Son | — | Pennsylvania |
| 15 | William A Egerland | 41 | Head | Artist | New York |
| 16 | Louise K Egerland | 38 | Wife | — | Germany |
| 17 | Arnold V Egerland | 16 | Son | — | New York |
| 18 | Gertrude H Egerland | 12 | Daughter | — | New York |
| 19 | Victor J Cadwallader | 50 | Head | Agent | Pennsylvania |
| 20 | Elsie M Cadwallader | 37 | Wife | — | Pennsylvania |
| 21 | Elsie N Cadwallader | 6 | Daughter | — | Pennsylvania |
| 22 | Althea J Cadwallader | 2 | Daughter | — | Pennsylvania |
| 23 | Winifred Everett | 40 | Head | — | England |
| 24 | Robert Everett | 15 | Son | — | Pennsylvania |
| 25 | Howard Everett | 14 | Son | — | Pennsylvania |
| 26 | Herbert F Everett | 10 | Son | — | Pennsylvania |
| 27 | Charles Hahl | 55 | Boarder | — | Pennsylvania |
| 28 | James Walsh | 21 | Boarder | — | Pennsylvania |
| 29 | John Gordman | 73 | Boarder | — | Reading |
| 30 | John W Clarke | 51 | Head | Signalman | Pennsylvania |
| 31 | Susan B Clarke | 49 | Wife | — | Pennsylvania |
| 32 | John W Jr Clarke THIS PERSON | 16 | Son | — | Maryland |
| 33 | Ernest Clarke | 15 | Son | — | Maryland |
| 34 | Catherine Clarke | 14 | Daughter | — | Pennsylvania |
| 35 | Owen Clarke | 12 | Son | — | Pennsylvania |
| 36 | George Clarke | 48 | Brother | — | Pennsylvania |
| 37 | Susan Hensath | 80 | Mother | — | Delaware |
| 38 | Ralph R Murray | 38 | Head | Clerk | Pennsylvania |
| 39 | Olive F Murray | 39 | Wife | — | Pennsylvania |
| 40 | Phyllis M Murray | 8 | Daughter | — | Pennsylvania |
| 41 | Sadie B Murray | 62 | Mother | — | Pennsylvania |
| 42 | Edward R Craven | 52 | Head | Treasurer | Pennsylvania |
| 43 | Susan H Craven | 51 | Wife | — | Pennsylvania |
| 44 | Regina C Craven | 20 | Daughter | — | Pennsylvania |
| 45 | Frances C Craven | 19 | Daughter | — | Pennsylvania |
| 46 | Clare F Craven | 14 | Daughter | — | Pennsylvania |
| 47 | John Bloach | 70 | Servant | Gardener | New York |
| 48 | Louise Kraemer | 69 | Servant | Cook | France |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)