Mexican Family Relationship Terms

Father's father

Abuelito

The diminutive '-ito/-ita' is used far more often in everyday Mexican Spanish than in Spain's. No everyday split by paternal vs maternal.

Father's mother

Abuelita

Mother's father

Abuelito

Mother's mother

Abuelita

Father

Papá / Apá

'Apá' is a common colloquial Mexican contraction.

Mother

Mamá / Amá

'Amá' is the matching colloquial contraction.

Father's older brother

Tío

No split by side of the family or age.

Father's younger brother

Tío

Father's sister

Tía

Mother's older brother

Tío

Mother's younger brother

Tío

Mother's sister

Tía

Father's older brother's wife

Tía

Father's younger brother's wife

Tía

Mother's brother's wife

Tía

Father's sister's husband

Tío

Mother's sister's husband

Tío

Older brother

Hermano

Younger brother

Hermano

Older sister

Hermana

Younger sister

Hermana

Father's brother's son

Primo Hermano

Everyday Mexican Spanish adds 'hermano' ('brother') to mark a first cousin specifically, as opposed to a more distant 'primo lejano.'

Father's brother's daughter

Prima Hermana

Father's sister's son

Primo Hermano

Father's sister's daughter

Prima Hermana

Mother's brother's son

Primo Hermano

Mother's brother's daughter

Prima Hermana

Mother's sister's son

Primo Hermano

Mother's sister's daughter

Prima Hermana

Son

Hijo

Daughter

Hija

Grandson

Nieto

Granddaughter

Nieta

Son-in-law

Yerno

Daughter-in-law

Nuera

Brother's son

Sobrino

Sister's son

Sobrino

Brother's daughter

Sobrina

Sister's daughter

Sobrina

Husband

Esposo

Affectionately/colloquially 'Viejo' ('mi viejo').

Wife

Esposa

Affectionately/colloquially 'Vieja' ('mi vieja').

Spouse's father

Suegro

Spouse's mother

Suegra

Husband's older brother

Cuñado

Husband's younger brother

Cuñado

Husband's sister

Cuñada

Wife's brother

Cuñado

Wife's sister

Cuñada

Brother's wife

Cuñada

Sister's husband

Cuñado