Can anyone point me in the right direction? I've traced ancestry to this point and there simply aren't any records that I can find beyond this.

The only clue I have is possibly another Guillaume in their 70s who came over on the same boat.

Thanks for any help!

kgillaume1,
On http://gw.geneanet.org/mgolinvaux I found
Name : (miss) Michèle GOLINVAUX Location : . . . - BRUSSELS - Belgium
Language : French Other Languages : A little english
Email Address : michele.golinvaux(at)telenet.be

I. Henry Joseph GUILLAUME. Married to Marie-Thérèse LIMAYE,
II. François GUILLAUME, birth 29 August 1824, ERNAGE BEL,5030,Namur,,, died in October 1911, GREEN BAY BROWN CTY WISCONSIN,,,,, buried, [St Peter Cemetery] - Lincoln (Kewaunee) WISCONSIN,,,, (age at death: 87 years old), Journalier - Fermier. Married 1 May 1850, ERNAGE BEL,5030,Namur,,, to Ursule DUPIERREUX, birth 17 February 1826, ERNAGE BEL,5030,Namur,,, died after 1880, WISCONSIN,,,,,
III. 1. Joseph GUILLAUME, birth 3 February 1851, ERNAGE BEL,5030,Namur,,, died 27 December 1928, Pound ( Marinette) WISCONSIN,,,, (age at death: 77 years old), Fermier.
Married 30 December 1879, Lincoln (Kewaunee) WISCONSIN,,,,, to Marie Eugénie MADOCHE, birth 13 November 1844, L'ÉCLUSE BEL,1320,Brabant Wallon,,, baptism 13 November 1844, L'ÉCLUSE BEL,1320,Brabant Wallon,,, died before 1920 (
mariage: 30 decembre 1879 [Catholic Church] - Lincoln (Kewaunee) WISCONSIN,,,, (source: Internet document - A0144 - WorldConnect Project Steven Dhuey; -Document Internet;Quality of Data: 2)).
III. 2. Gustave GUILLAUME, birth before 1853, ERNAGE BEL,5030,Namur,,, died after May 1856.
III. 3. Gustave GUILLAUME, birth in 1853, BEL,,,,, died after 1856.
III. 4. Marie-Thérèse GUILLAUME, birth 3 August 1855, ERNAGE BEL,5030,Namur,,, baptism, ERNAGE BEL,5030,Namur,,, died 28 August 1900, Lincoln (Kewaunee) WISCONSIN,,,,, buried, [St Peter's Cemetery] - Lincoln (Kewaunee) WISCONSIN,,,, (age at death: 45 years old). Married 9 August 1884, Lincoln (Kewaunee) WISCONSIN,,,,, to Ferdinand Joseph DHUEY, birth 11 May 1858, Lincoln (Kewaunee) WISCONSIN,,,,, baptism, [Holy Cross Parish] - BAY SETTLEMENTBROWN WISCONSIN,,,,, died 18 February 1934, CASCO ( KEWAUNEE ) WISCONSIN,,,,, buried, [St Peter's Cemetery] - Lincoln (Kewaunee) WISCONSIN,,,, (age at death: 75 years old), Fermier (
mariage: 9 aout 1884 [St Peter's Church] - Lincoln (Kewaunee) WISCONSIN,,,, (source: Other - A0248 - Roots Web'sWorldConnect Project; -Autre type;Quality of Data: 2)).
III. 5. François GUILLAUME, birth in 1865, Lincoln (Kewaunee) WISCONSIN,,,,, died.
Married 17 August 1889, Lincoln (Kewaunee) WISCONSIN,,,,, to Lena COMBE (
mariage: 23 septembre 1889 (source: Other - A0248 - Roots Web'sWorldConnect Project; -Autre type;Quality of Data: 2)).
Greatings, Fons Cuppens

Thanks much!