I didn't find parents. MEYER[S]is plentiful in 1840/50 Hamilton Co OH
Agnes' DC...d 3-14-1898 age 76, in US 69yrs; b Germany; parents unk; COD asthma/bronchitis
Both are on findagrave, as you prob know.
1860 Covington Kenton KY
Adolph 42 Prussia; musician
Agnes 37 OH [only census with OH as b/place]
Caroline 14 OH; m Leo ANTE
Louisa 10 OH
Anna 3 OH
Catherine 7/12 KY; d bef 1870
The 1870 Kenton KY census Agnes states b Hanover.
It appears they were m by a Protestant minister, but buried in Catholic Cem.You might try the the Diocese of Cincinnati OH/Covington KY
I did find the following...alpha index cards, not original manifest, so don't know if traveling together
NY PASSENGER LISTS
July 1835; ship Apollo
Adolphus 17 baker [b 1822]
Christian 46 paper maker
Ann Mary 56
Did Adolph have 2 occupations?I can't imagine he could make much of a living being a musician in that time period. Found an Adolph on 1861 Cincy Directory...confectioner; Agnes 1866 Cincy, confectioner;1870 KY Agnes has candy store. Lived KY, worked Cincy??