Erin, a bit odd... and possibly irrelevant......
Ellis Island site has a Nicholas McHenry Age 26 (b. 1869) on The Campania arriving Oct 19, 1895 from Livrpool. But he is not shown at the page reference given, Page 7 line 178 . Trolled the pages before and after and much of the entire manifest but did not find him.
Not finding him in 1900 census
1910 Census New Castle, Delaware
Nichols McHenry (Nicholas McHenry) Head of House
Age 42 b. 1868 Ireland Father: Ireland Mother: Ireland
wife Gutertrde F 34 b. Pennsylvania Mother of 4 children 4 living
Year of Immigration: 1872 (transcribed) but lookes to be 1892 on actual
Nicholas and Gertrude employed as Steward and Stewardess @ a Club House
Others in the household who seem to be visitors or boarders
and seems to all be employed at the Club House
David McGrane 30
Davis William 21 says "niece" in transcription but actual "visitor" or "waiter" perhaps
George Davie 25
John Delaney 21
Frank Cooley 21
Frank Ameil 26
Patrncia 22
1920 Census
Philadelphia Ward 28, Philadelphia, Pennsylvania
Living on West Cumberland Streeet
Nicholas McHenry
Age: 52 years (1868) Ireland Father: Ireland Mother"Ireland
Marital Status: Married
Home owned: Own
Year of Immigration: 1890 transcribed but to me, looks like 1892 on actual
Naturaliized: 1902
Able to read: Yes
Able to Write: Yes
Nicholas' Occupation: Manager @ Restaurant
Gertrude McHenry 44 indicated as "daughter" and married this an error also
James McHenry 16
Joseph McHenry 15
Paul McHenry 14
Mary McHenry 12
John McHenry 9
Charles McHenry 6
Bernard McHenry 3
Mary McHenry 59 indicated as "sister" to Nicholas b. in Ireland w/ immigration date of 1890
lissa