Many transcriptions are PENNELL but his own signature on the WWI Draft Registration does look like PENUELL.
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Find A Grave Memorial# 39666689
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Philadelphia Inquirer
Wednesday, March 1, 1939
PENUELL- February 27, HARLEY J., husband of Effie Penuell (nee Moore). Relatives and friends, also Richard Vaux Lodge No. 393, F. and A.M., and all other organizations of which he was a member are invited to attend the funeral services, Thurs. 11 A.M. at the Hopewell M. C. church, near Downingtown, Chester Co., Pa. Int. adjoining cem. Friends may call Wed eve. at the late residence, 291 Congress ave., Lansdowne, Pa.
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USA World War I Draft Registration Cards
Name Harley James Pennell
Event Date 1917-1918
Event Place Philadelphia City no 33, Pennsylvania
Gender Male
Nationality USA
Birth Date 15 Feb 1885
Birthplace , , USA
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USA Census, 1920
Name Harley J Pennell
Event Place Philadelphia Ward 34, Philadelphia, Pennsylvania
Gender Male
Age 34
Marital Status Married
Race White
Can Read Yes
Can Write Yes
Relationship to Head of Household Head
Own or Rent Own
Birth Year (Estimated) 1886
Birthplace Delaware
Father's Birthplace Delaware
Mother's Birthplace Delaware
Sheet Letter A
Sheet Number 5
Birthplace
Harley J Pennell Head M 34 Delaware
C Effie Pennell Wife F 29 Pennsylvania
Mildred M Pennell Dau F 6 Pennsylvania
Doris E Pennell Dau F 2 Pennsylvania
Amanda Moore Mother-in-law F 61 Pennsylvania
Leon T Moore Brother-in-law M 20 Pennsylvania
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USA Census, 1930
Name Horley Pennel
Event Place Lansdowne, Delaware, Pennsylvania
Gender Male
Age 45
Marital Status Married
Race White
Relationship to Head of Household Head
Birth Year (Estimated) 1885
Birthplace Delaware
Father's Birthplace Delaware
Mother's Birthplace Delaware
Sheet Letter A
Sheet Number 21
Horley Pennel Head M 45 Delaware
Effie Pennel Wife F 40 Pennsylvania
Mildred Pennel Dau F 16 Pennsylvania
Doras Pennel Dau F 12 Pennsylvania
Amanda Moore Mother-in-law