The IGI has:

KENNAUGH, Walter s/o William KENNAUGH & Margaret KENNAUGH chr 05 Oct 1837 (?), Arbory, IOM
[William KENNAUGH m Margaret KENNAUGH 24 Jul 1862, Arbory, IOM]
KENNAUGH, Walter s/o William KENNAUGH & Elizabeth chr 06 Sep 1868, Patrick, IOM
[William KENNAUGH m Elizabeth CAIN 13 Oct 1855, Patrick, IOM]
KENNAUGH, Walter s/o John KENNAUGH & Catherine CAINE chr 04 Jan 1874, Patrick, IOM
[John KENNAUGH m Catherine CAINE 20 Jul 1865, Kirk German, IOM]
KENNAUGH, Walter Boden s/o John KENNAUGH & Susanna Anne chr 20 Jun 1858, Patrick, IOM
[John KENNAUGH m Susannah Anne BAWDEN 09 Feb 1850, Patrick, IOM]

Do any of these look familiar ?