Seeking info on Wallo or Walter Kaczmarek, Born @1868 in German Poland

Listed in 1910 Federal Census NY. Rockland County, Haverstraw. ED215
Walter Katzhmarak age 42 came to US 1873. Laborer Brickyard. Maple Ave
Spouse Katrina (Siekierski)
Children Cora 13 (later married William Reilly), Clara 11 (later married Richard Kawiecki), Anna 9 (later married John Deegan), Agnes 7 (later married John Williams)

1920 US Federal Census Haverstraw NY ED 215 Wallo Katchmar age 58. Born Prussia Laborer brickyard 95 Maple Ave. Immigrated, 1868
spouse Mary W.
Children John 8, Lizzie 5, Mary 4, Helen 1

Although the immigration years and ages are different his obituary says;
Wallo katchmar Died 16 Nov 1928 age 53 Haverstraw NY. Widow Mary. children Mrs William Reilly (Cora), Mrs Charles Deegan (Anna), Mrs Carl Richards (Clara- typo). Agnes Katchmar.
Misses Mary, Betty, Veronica, Helen Katchmar. 1 son John katchmar.
1 Sister Mrs. Ignatius Kavolsky
3 brothers Joseph, james, Frank Katchmar of haverstraw.
Death Certificate 16 Nov 1928 Haverstraw
wife mary
laborer brickyard
parents Michael Kachmar from Poland
Victoria from Poland

Anyone related to this family?